Compact Laser Diode Drivers with TECs and Mounts for TO Can Pigtailed LDs


  • Compact, All-in-One Current Sources, Temperature Controllers, and Mounts
  • Compatible with Thorlabs’ Pigtailed TO Can Lasers
  • Touch Screen Controlled and Remotely Programmable

CLD1011LP

B, C, and H Pin Codes

CLD1010LP

A, D, E, and G Pin Codes
Shown with Pigtailed Laser Diode
(Not Included)

Main Operation Panel in Constant Power
Operating Mode

Related Items


Please Wait
Home Screen in Constant Power Mode
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Home Screen
CLD Main Menu
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Menu Screen

Features

  • Integrated Mounts Compatible with Thorlabs' Pigtailed TO Can Laser Diodes
    • CLD1010LP: Compatible with Pin Codes A, D, E, and G
    • CLD1011LP: Compatible with Pin Codes B, C, and H
  • Operate in Constant Current or Constant Power Mode
  • Controlled Locally with Resistive Touch Screen GUI or Remotely over USB
  • Supports Laser Diode Drive Currents up to 1.0 A at 8.0 V
  • Temperature-Controlled Laser Operation through Built-In TEC
  • Compact Size: 111 mm x 73.5 mm x 169.9 mm (4.37" x 2.9" x 6.69")
  • RF Input for Modulating the Laser via an External Source
  • Power Supply Included
Laser Diode Current Controller with Inner Protective Cover
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The CLD1010LP shown with the thermal protective cover installed.
TEC Mount with Laser Diode Installed
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A pigtailed laser diode shown mounted in the CLD1010LP.

Thorlabs' Compact Laser Diode and Temperature Controllers are complete driver packages designed to drive and cool TO can fiber-coupled laser diodes. The CLD1010LP controller is compatible with A, D, E, and G pin configurations, while the CLD1011LP controller is compatible with B, C, and H pin configurations (see the Pin Diagrams tab for details). These all-in-one units supply up to 1.0 A of drive current, maintain the diode temperature with 0.005 °C of stability over 24 hours, provide a high degree of output stability, and prolong the life of the diode. The controllers also contain a built-in mount for portability and mechanical stability. In additional to a full complement of safety features, such as a soft-start mode, current and temperature limits, and external interlock compatibility, the CLD1010LP and CLD1011LP controllers both include a switchable noise reduction filter and a modulation input. They also each feature an RF Bias-T that allows the laser to be modulated between 200 kHz and 1 GHz with an external RF source (dependent on the specifications of your laser diode). These controllers can be operated in constant current or constant power mode; however, only laser diodes that include a monitor photodiode (pin codes A, B, C, and D) are compatible with constant power mode.

The devices are controlled with built-in 4.3" diagonal, color resistive touch screens, making it easy to tune, tweak, and optimize the laser output parameters. Operating parameters are set using the intuitive menu system, and the user is never more than two taps away from the home screen. A resistive touch screen allows for the screen to be operated when using gloves or other protective equipment. For screenshots of the interface, please see the Display tab. In addition to the touch screen controls, a mini-USB interface on the rear of the unit enables remote control of all settings using several common programming languages, including LabVIEW and the Standard Commands for Programmable Instruments (SCPI) standard. For the full array of options, please refer to the Software tab. When using the CLD1010LP or CLD1011LP to drive a laser, make sure that all of the operating parameters are set within the maximum ratings of your device. 

When fully assembled, these compact devices measure just 4.37" x 2.9" x 6.69" (111 mm x 73.5 mm x 169.9 mm), ideal for tightly packed setups. Fiber cables can be fed through the ports on the back of the unit, which are also compatible with Thorlabs' FC-to-FC Mating Sleeves (not included). Two of the holes accept square flange mating sleeves, and two are designed for D-hole mating sleeves. A magnetically sealed lid encloses the laser package in the unit, protecting it from particulates and other lab hazards. A smaller cover that provides thermal protection from the environment can be installed independently of the magnetic lid (see the photo to the right). Two mounting clips, compatible with 1/4"-20 and M6 bolts, are supplied with each laser diode driver to secure it to a breadboard.

Power Supply is Included
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These drivers are shipped with a power supply.

Thorlabs manufactures customized, application-specific butterfly mounts for OEM customers. Please see the OEM Modules tab for details.

Before operating any laser diode with these controllers, please check to ensure that the operating voltage of the intended diode does not exceed the compliance voltage of the controller.

For driver software, as well as programming reference guides for the Programmable Instruments (SCPI) standard, LabVIEW™, Visual C++, Visual C#, and Visual Basic, please see the Software tab.

Thorlabs recommends recalibrating these drivers every 24 months and offers a factory recalibration service. To order this service, scroll to the bottom of the page and select the CAL-CLD.

Compact LD Driver, TEC, and Mount Selection Guide
Item # Accepted Package Configurations Max Drive Current
CLD1015 Type 1 and Type 2 Butterfly Packages 1.5 A (@ 4 V)
CLD1010LP Pigtailed TO Can Packages with an A, D, E, or G Pin Code 1.0 A (@ 8 V)
CLD1011LP Pigtailed TO Can Packages with a B, C, or H Pin Code 1.0 A (@ 8 V)

Note: These laser diode drivers may be controlled locally via a touch screen or remotely over USB. When controlled locally via the touch screen, the resolution of the laser diode driver is limited by the display; the full resolution can be accessed when the device is controlled remotely. The command sets that are accessible over USB - for example, via LabVIEW or the Standard Commands for Programmable Instruments (SCPI) - offer increased resolution, as shown in the table below.

CLD1010LP and CLD1011LP Laser Diode Driver Specifications

  Via Front Panela Via Remote Controla
Current Control (Constant Current Mode)
Control Range 0 to 1.0 A
Compliance Voltage >8 V
Resolution 100 µA 50 µA
Accuracy ±(0.1% + 500 µA)
Noise and Ripple (Typical;
10 Hz to 10 MHz, RMS; @ 4.7 Ω Load )
10 µA without Noise Reduction Filter
5 µA with Noise Reduction Filter
Drift (24 Hours, Typical) <50 µA @ 0 - 10 Hz in Constant Ambient Temperature
Temperature Coefficient <50 ppm/°C
Current Limit
Setting Range 1 mA to 1.0 A
Resolution 100 µA 50 µA
Accuracy ±(0.12% + 800 µA)
Photodiode Input
Photocurrent Rangesb 0 to 2 mA (Low)
2 to 20 mA (High)
Photocurrent Resolutionb 100 nA (Low)
1 µA (High)
70 nA (Low)
700 nA (High)
Photocurrent Accuracyb ±(0.08% + 0.5 µA) (Low)
±(0.08% + 5 µA) (High)
Photodiode Reverse Bias Voltage 0.1 to 6 V
Photodiode Input Impedance ~0 Ω (Virtual Ground)
Power Control (Constant Power Mode)
Photocurrent Control Rangesb 0 to 2 mA (Low)
0 to 20 mA (High)
Laser Voltage Measurement
Resolution 1 mV 400 µV
Accuracy ±(1% + 80 mV)
Laser Overvoltage Protection
Trip Voltage (Typical) 8.2 V
Modulation Input
Input Voltage (Constant Current Mode) ±7 V
Input Voltage (Constant Power Mode) ±10 V
Input Impedance 10 kΩ
3 dB Small Signal Bandwidth
(Constant Current Mode)
DC to 300 kHz without Noise Reduction Filter
DC to 9.0 kHz with Noise Reduction Filter
Modulation Coefficient (Constant Current Mode) 150 mA/V ± 5%
Modulation Coefficient (Constant Power Mode)c 200 µA/V ± 5% (Low)
2 mA/V ± 5% (High)
RF Input
RF Input Impedance 50 Ω
Small Signal 3 dB Bandwidth 200 kHz to >1 GHz
Maximum RF Power 500 mW
  • When the device is controlled via the front panel, the resolution is limited by the display. Higher resolution can be achieved by remotely controlling the device.
  • The user can toggle between low and high photocurrent ranges.
  • The power modulation is the product of the controller's photocurrent modulation and the laser diode's slope efficiency.

All technical data are valid at 23 ± 5 °C and 45 ± 15% relative humidity and subject to change without notice.

CLD1010LP and CLD1011LP TEC Specifications

  Via Front Panela Via Remote Controla
TEC Current Output
Control Range -3.0 to +3.0 A
Compliance Voltage >4.7 V
Maximum Output Power >14.1 W
Resolution 1 mA 100 µA
Accuracy ±(0.2% + 20 mA)
TEC Current Limit
Setting Range 5 mA to 3.0 A
Resolution 1 mA 100 µA
Accuracy ±(0.2% + 20 mA)
NTC Thermistor Sensors
Resistance Measurement
Range
300 Ω to 150 kΩ
Control Rangeb -55 °C to +150 °C (Max)
Temperature Resolution 0.01 °C
Resistance Resolution 1 Ω
Accuracy ±(0.1% + 1 Ω)
Temperature Stabilityb
(24 Hours)
<0.005 °C (Typical)
Temperature Coefficient <5 mK/°C
Temperature Window Protection
Setting Range 0.01 °C to 100.0 °C
Protection Reset Delay 0 to 600 s
  • When the device is controlled via the front panel, the resolution is limited by the display. Higher resolution can be achieved by remotely controlling the device.
  • The temperature control range and thermal stability depend upon the physical parameters of the thermistor and the operating temperature, respectively.

All technical data are valid at 23 ± 5 °C and 45 ± 15% relative humidity and subject to change without notice.

CLD1010LP and CLD1011LP General Specifications
Interface
USB 2.0 Compliant with USBTMC/USBTMC USB488 Specification Rev. 1.0
Protocol SCPI-Compliant Command Set
Supplied Drivers VISA VXI pnp™, MS Visual Studio™, MS Visual Studio.net™, LabVIEW™, LabWindows/CVI™
General Data
Safety Features Interlock, Keylock Switch, Laser Current Limit, Soft Start, Short Circuit when Laser Off,
Laser Overvoltage Protection, Over Temperature Protection, Temperature Window Protection
Display 4.3" LCD TFT, 480 x 272 Pixels
Socket for Laser, Photodiode, NTC, TEC Pigtailed TO-Can Laser Diodes with A, D, E, or G Pin Codes (Item # CLD1010LP)
Pigtailed TO-Can Laser Diodes with B, C, or H Pin Codes (Item # CLD1011LP)
Connector for DC Power Input 2.0 mm Center Pin Connected to +
Connector for Modulation Input SMA
Connector for Interlock & Laser On Signal 2.5 mm Mono Phono Jack
Connector for USB Interface USB Type Mini-B
Chassis Ground Connector 4 mm Banana Jack
Desktop Power Supply, Line Voltage, Line Frequency AC: 100 to 240 V ± 10%, 47 to 63 Hz
DC: 12 V ± 5% / 3.5 A
Maximum Power Consumption 40 VA
Operating Temperature 0 to +40 °C
Storage Temperature -40 to +70°C
Warm-up Time for Rated Accuracy 30 min
Weight (with Power Supply) 1.1 kg
Weight (without Power Supply) 0.75 kg
Dimensions without Operating Elementsa (W x H x D) 111 mm x 73.5 mm x 153.3 mm (4.37" x 2.9" x 6.04")
Dimensions with Operating Elementsa (W x H x D) 111 mm x 73.5 mm x 169.9 mm (4.37" x 2.9" x 6.69")
  • Dimensions do not include the mounting clips. With these clips attached, the unit is 165 mm wide.

Control Interface

The interface for these laser diode controllers consists of a flat menu hierarchy that makes it easy to find parameters to adjust.

Home Screen in Constant Current ModeHome Screen in Constant Power Mode
CLD Main Operation
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In Constant Current Mode, the home screen emphasizes the laser diode current and temperature and displays their respective setpoints. The output power, measured by the monitor diode, is also displayed. Up to four setpoint combinations can be stored in memory.CLD Main Operation CP
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In Constant Power Mode, the home screen emphasizes the laser output power and diode temperature. The laser diode current is also displayed.
Setpoint EntryMenu Screen
CLD Main Operation Change Setpoints
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Each setpoint is easily modified. Simply tap the value to be changed, and buttons appear on the right that allow the value to be set. The current value of the parameter remains displayed while tweaking.CLD Main Menu
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The CLD1010LP and CLD1011LP are configured through an intuitive two-level menu structure. All settings related to the laser and the thermoelectric cooler are made here, and several other system settings are provided.

TO Can Diodes Compatible with the CLD1010LP

The CLD1010LP Laser Diode Driver and Temperature Controller is compatible with pigtailed TO Can laser diodes that have an A, D, E, or G pin code. Please use the pin diagrams below to classify your specific laser diode package and verify CLD1010LP compatibility. Details on the correct orientation for installing each pin code can be found in the manual. Please note that only laser diodes with pin codes that include a photodiode can be operated in constant power mode.

TO-Can Pin Code Drawings

Pin Pin Code A Pin Code D Pin Code E Pin Code G
1 LD Cathode LD Ground No Connection LD Cathode
2 Ground PD Anode LD Ground Ground
3 PD Anode LD Cathode LD Cathode LD Anode
4 N/A PD Cathode N/A N/A

TO Can Diodes Compatible with the CLD1011LP

The CLD1011LP Laser Diode Driver and Temperature Controller is compatible with pigtailed TO Can laser diodes that have a B, C, or H pin code. Please use the pin diagrams below to classify your specific laser diode package and verify CLD1011LP compatibility. Details on the correct orientation for installing each pin code can be found in the manual. Please note that only laser diodes with pin codes that include a photodiode can be operated in constant power mode.

TO-Can Pin Code Drawings

Pin Pin Code B Pin Code C Pin Code H
1 LD Anode LD Anode LD Anode
2 Ground Ground Ground
3 PD Anode PD Cathode No Connection

Software for Laser Diode Controllers

The download button below links to VISA VXI pnp™, MS Visual Studio™, MS Visual Studio.net™, LabVIEW™, and LabWindows/CVI™ drivers, firmware, utilities, and support documentation for Thorlabs' ITC4000 Series laser controllers, LDC4000 Series laser controllers, CLD1000 Series compact laser diode controllers, and TED4000 Series TEC controllers.

The software download page also offers programming reference notes for interfacing with compatible controllers using SCPI, LabVIEW, Visual C++, Visual C#, and Visual Basic. Please see the Programming Reference tab on the software download page for more information and download links.

Driver Software

Version 3.1.0 (April 11, 2014)

Programming Reference

Version 3.3 (April 8, 2015) - SCPI Commands
Version 1.0 (June 16, 2015) - LabVIEW, Visual C++, Visual C#, Visual Basic

Software Download

The software packages support LabVIEW 8.5 and higher. If you are using an earlier version of LabVIEW, please contact Technical Support for assistance.

PID Basics

The PID circuit is often utilized as a control loop feedback controller and is very commonly used for many forms of servo circuits. The letters making up the acronym PID correspond to Proportional (P), Integral (I), and Derivative (D), which represents the three control settings of a PID circuit. The purpose of any servo circuit is to hold the system at a predetermined value (set point) for long periods of time. The PID circuit actively controls the system so as to hold it at the set point by generating an error signal that is essentially the difference between the set point and the current value. The three controls relate to the time-dependent error signal; at its simplest, this can be thought of as follows: Proportional is dependent upon the present error, Integral is dependent upon the accumulation of past error, and Derivative is the prediction of future error. The results of each of the controls are then fed into a weighted sum, which then adjusts the output of the circuit, u(t). This output is fed into a control device, its value is fed back into the circuit, and the process is allowed to actively stabilize the circuit’s output to reach and hold at the set point value. The block diagram below illustrates very simply the action of a PID circuit. One or more of the controls can be utilized in any servo circuit depending on system demand and requirement (i.e., P, I, PI, PD, or PID).

PID Diagram

Through proper setting of the controls in a PID circuit, relatively quick response with minimal overshoot (passing the set point value) and ringing (oscillation about the set point value) can be achieved. Let’s take as an example a temperature servo, such as that for temperature stabilization of a laser diode. The PID circuit will ultimately servo the current to a Thermo Electric Cooler (TEC) (often times through control of the gate voltage on an FET). Under this example, the current is referred to as the Manipulated Variable (MV). A thermistor is used to monitor the temperature of the laser diode, and the voltage over the thermistor is used as the Process Variable (PV). The Set Point (SP) voltage is set to correspond to the desired temperature. The error signal, e(t), is then just the difference between the SP and PV. A PID controller will generate the error signal and then change the MV to reach the desired result. If, for instance, e(t) states that the laser diode is too hot, the circuit will allow more current to flow through the TEC (proportional control). Since proportional control is proportional to e(t), it may not cool the laser diode quickly enough. In that event, the circuit will further increase the amount of current through the TEC (integral control) by looking at the previous errors and adjusting the output in order to reach the desired value. As the SP is reached [e(t) approaches zero], the circuit will decrease the current through the TEC in anticipation of reaching the SP (derivative control).

Please note that a PID circuit will not guarantee optimal control. Improper setting of the PID controls can cause the circuit to oscillate significantly and lead to instability in control. It is up to the user to properly adjust the PID gains to ensure proper performance.

PID Theory

The output of the PID control circuit, u(t), is given as

Equation 1

where
Kp= Proportional Gain
Ki = Integral Gain
Kd = Derivative Gain
e(t) = SP - PV(t)

From here we can define the control units through their mathematical definition and discuss each in a little more detail. Proportional control is proportional to the error signal; as such, it is a direct response to the error signal generated by the circuit:

Equation 2

Larger proportional gain results is larger changes in response to the error, and thus affects the speed at which the controller can respond to changes in the system. While a high proportional gain can cause a circuit to respond swiftly, too high a value can cause oscillations about the SP value. Too low a value and the circuit cannot efficiently respond to changes in the system.

Integral control goes a step further than proportional gain, as it is proportional to not just the magnitude of the error signal but also the duration of the error.

Equation 3

Integral control is highly effective at increasing the response time of a circuit along with eliminating the steady-state error associated with purely proportional control. In essence integral control sums over the previous error, which was not corrected, and then multiplies that error by Ki to produce the integral response. Thus, for even small sustained error, a large aggregated integral response can be realized. However, due to the fast response of integral control, high gain values can cause significant overshoot of the SP value and lead to oscillation and instability. Too low and the circuit will be significantly slower in responding to changes in the system.

Derivative control attempts to reduce the overshoot and ringing potential from proportional and integral control. It determines how quickly the circuit is changing over time (by looking at the derivative of the error signal) and multiplies it by Kd to produce the derivative response.

Equation 4

Unlike proportional and integral control, derivative control will slow the response of the circuit. In doing so, it is able to partially compensate for the overshoot as well as damp out any oscillations caused by integral and proportional control. High gain values cause the circuit to respond very slowly and can leave one susceptible to noise and high frequency oscillation (as the circuit becomes too slow to respond quickly). Too low and the circuit is prone to overshooting the SP value. However, in some cases overshooting the SP value by any significant amount must be avoided and thus a higher derivative gain (along with lower proportional gain) can be used. The chart below explains the effects of increasing the gain of any one of the parameters independently.

Parameter IncreasedRise TimeOvershootSettling TimeSteady-State ErrorStability
KpDecreaseIncreaseSmall ChangeDecreaseDegrade
KiDecreaseIncreaseIncreaseDecrease SignificantlyDegrade
KdMinor DecreaseMinor DecreaseMinor DecreaseNo EffectImprove (for small Kd)

Tuning

In general the gains of P, I, and D will need to be adjusted by the user in order to best servo the system. While there is not a static set of rules for what the values should be for any specific system, following the general procedures should help in tuning a circuit to match one’s system and environment. In general a PID circuit will typically overshoot the SP value slightly and then quickly damp out to reach the SP value.

Manual tuning of the gain settings is the simplest method for setting the PID controls. However, this procedure is done actively (the PID controller turned on and properly attached to the system) and requires some amount of experience to fully integrate. To tune your PID controller manually, first the integral and derivative gains are set to zero. Increase the proportional gain until you observe oscillation in the output. Your proportional gain should then be set to roughly half this value. After the proportional gain is set, increase the integral gain until any offset is corrected for on a time scale appropriate for your system. If you increase this gain too much, you will observe significant overshoot of the SP value and instability in the circuit. Once the integral gain is set, the derivative gain can then be increased. Derivative gain will reduce overshoot and damp the system quickly to the SP value. If you increase the derivative gain too much, you will see large overshoot (due to the circuit being too slow to respond). By playing with the gain settings, you can maximize the performance of your PID circuit, resulting in a circuit that quickly responds to changes in the system and effectively damps out oscillation about the SP value.

Control TypeKpKiKd
P0.50 Ku--
PI0.45 Ku1.2 Kp/Pu-
PID0.60 Ku2 Kp/PuKpPu/8

While manual tuning can be very effective at setting a PID circuit for your specific system, it does require some amount of experience and understanding of PID circuits and response. The Ziegler-Nichols method for PID tuning offers a bit more structured guide to setting PID values. Again, you’ll want to set the integral and derivative gain to zero. Increase the proportional gain until the circuit starts to oscillate. We will call this gain level Ku. The oscillation will have a period of Pu. Gains are for various control circuits are then given below in the chart.

Custom Module for Two 14-Pin Butterfly Packages
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Custom Module for 14-Pin Butterfly Packages

Thorlabs OEM Manufacturing

In addition to manufacturing a wide variety of active optical devices, Thorlabs is equipped to deliver customized laser diode, superluminescent diode, and semiconductor optical amplifier modules in OEM quantities. For example, the module shown to the right provides temperature and current control for two superluminescent diodes (SLDs) from an SPI interface. Because this module is designed for standard 14-pin butterfly packages, it is easily adapted for combinations of other optical devices, such as a pigtailed semiconductor laser with an optical amplifier.

As a manufacturer of III-V semiconductor devices, MEMS-VCSEL lasers, quantum cascade lasers, lithium niobate optical modulators, and other devices, we are intimately familiar with the operating requirements of driving lasers and related components. Please visit this webpage for an overview of our laser manufacturing facility, or contact us directly to discuss your application's needs.

Contact Thorlabs Tech Support

Video Insight: Setting Up a TO Can Laser Diode

Installing a TO can laser diode in a mount and setting it up to run under temperature and current control presents many opportunities to make a mistake that could damage or destroy the laser. This step-by-step guide includes tips for keeping humans and laser diodes safe from harm.

If you would like more information about tips, tricks, and other methods we often use in the lab, we recommend our other Video Insights. In addition, our webinars provide practical and theoretical introductions to our different products.


Posted Comments:
user  (posted 2024-03-18 10:47:14.093)
Dear Sir or Madame, I would like use CLD1011LP with LPS-660-FC as reliable pulsed light source to induce resonant effect of microsystem. However, I don't know exactly how to set the setup to generate pulses of light ranging repetition rate from 10kHz to 250 kHz. I assume, despite the two above elements I need the another external fiber to guide the light through to the setup. Do I need another instrument to obtain pulse generation. What type for instance?. What means external modulation in the manual? Thank You in advance for Your help.
dpossin  (posted 2024-03-18 09:22:35.0)
Dear Anna, Thank you for your inquiry. I´ll reach out to you in order to provide detailed information.
user  (posted 2023-05-31 23:41:25.39)
Can this device drive a 300mW laser diode (14 pin butterfly). Does it need special thermal conducting mounting to manage the heat dissipation? Thank you
hchow  (posted 2023-06-05 06:12:03.0)
Dear User, thank you for your feedback. I believe the laser diode driver you are looking for is the CLD1015 instead. The CLD1015 has a current range of between 1 mA to 1.5 A with a compliance voltage of 4 V. Whether or not this device can drive your 300 mW laser diode, depends on its specified drive current. The butterfly mount on the CLD1015 can accommodate 14 pin butterfly laser diodes.
Paweł Aleszkiewicz  (posted 2021-03-26 08:40:46.117)
Dear Sears, Can you give me comparison of current drift (p-p) per 1-5h, for LDC202C, KLD101 and CLD1010LP?
MKiess  (posted 2021-04-07 05:35:25.0)
Dear Pawel, thank you very much for your inquiry. You can find the current drift over 24h in the specification sheets of the individual laser diode drivers. These are available under the documents of the respective product on our website. I have contacted you directly to provide you with these documents as well.
Ricardo Adão  (posted 2021-02-25 11:59:57.323)
I have the following two lasers (datasheets links below), and I would like to know if the compact Laser Diode Driver CLD1010LP is compatible/suitable to control them. http://www.roithner-laser.com/datasheets/ld_fiber/spl830-5-4-pd.pdf http://www.roithner-laser.com/datasheets/ld_fiber/spl635-5-4-pd.pdf Many thanks!
dpossin  (posted 2021-03-01 11:04:12.0)
Dear Ricardo, Thank you for your feedback. With respect to the pin diagram, the two suggested lasers are compatible to the CLD1010LP lasercontroller. Please note that the maximum reverse bias the controller provides is 6V which is less than the indicated PD reverse bias voltage of 30V one can apply to the PD input of your lasers. I am reaching out to you in order to further discuss this.
user  (posted 2019-03-27 09:39:52.957)
Our lab has bought the CLD1010LP two years ago. Recently, the fiber was broken by mistake and we are wondering how to fix this problem. should we buy some module to replace the fiber or send the CLD1010LP back to thorlabs to fix it? Thanks!
YLohia  (posted 2019-04-08 11:05:03.0)
Hello, thank you for contacting Thorlabs. What fiber are you referring to? Is it the fiber attached to the laser diode pigtail? If so, that is a separate issue and does not affect the CLD1010LP. If the laser diode was purchased from us, we are able to reterminate the fiber (assuming the break occurred 10cm or more away from the boot). We have reached out to you directly to discuss this.
user  (posted 2014-12-08 18:22:08.927)
Is it a resistive or capacitive display?
shallwig  (posted 2014-12-09 02:53:49.0)
This is a response from Stefan at Thorlabs. Thank you very much for your inquiry. These controllers have a resistive display built in.

Laser Diode Controller Selection Guide

The tables below are designed to give a quick overview of the key specifications for our laser diode controllers and dual diode/temperature controllers. For more details and specifications, or to order a specific item, click on the appropriate item number below.

Current Controllers
Item # Drive Current Compliance Voltage Constant Current Constant Power Modulation Package
LDC200CV 20 mA 6 V Yes! Yes! External Benchtop
VLDC002 25 mA 5 V Yes! - Int/Ext OEM
LDC201CU 100 mA 5 V Yes! Yes! External Benchtop
LD2000R 100 mA 3.5 V - Yes! External OEM
EK2000 100 mA 3.5 V - Yes! External OEM
LDC202C 200 mA 10 V Yes! Yes! External Benchtop
KLD101 230 mA ≤10 V Yes! Yes! External K-Cube™
IP250-BV 250 mA 8 Va Yes! Yes! External OEM
LD1100 250 mA 6.5 Va - Yes! -- OEM
LD1101 250 mA 6.5 Va - Yes! -- OEM
EK1101 250 mA 6.5 Va - Yes! -- OEM
EK1102 250 mA 6.5 Va - Yes! -- OEM
LD1255R 250 mA 3.3 V Yes! - External OEM
LDC205C 500 mA 10 V Yes! Yes! External Benchtop
IP500 500 mA 3 V Yes! Yes! External OEM
LDC210C 1 A 10 V Yes! Yes! External Benchtop
LDC220C 2 A 4 V Yes! Yes! External Benchtop
LD3000R 2.5 A -- Yes! - External OEM
LDC240C 4 A 5 V Yes! Yes! External Benchtop
LDC4005 5 A 12 V Yes! Yes! Int/Ext Benchtop
LDC4020 20 A 11 V Yes! Yes! Int/Ext Benchtop
  • When using a 12 V power supply.
Dual Temperature and Current Controllers
Item # Drive Current Compliance Voltage TEC Power (Max) Constant Current Constant Power Modulation Package
VITC002 25 mA 5 V >2 W Yes! - Int/Ext OEM
ITC102 200 mA >4 V 12 W Yes! Yes! Ext OEM
ITC110 1 A >4 V 12 W Yes! Yes! Ext OEM
ITC4001 1 A 11 V >96 W Yes! Yes! Int/Ext Benchtop
CLD1010LPa 1.0 A >8 V >14.1 W Yes! Yes! Ext Benchtop
CLD1011LPb 1.0 A >8 V >14.1 W Yes! Yes! Ext Benchtop
CLD1015c 1.5 A >4 V >14.1 W Yes! Yes! Ext Benchtop
ITC4002QCLd 2 A 17 V >225 W Yes! Yes! Int/Ext Benchtop
ITC133 3 A >4 V 18 W Yes! Yes! Ext OEM
ITC4005 5 A 12 V >225 W Yes! Yes! Int/Ext Benchtop
ITC4005QCLd 5 A 20 V >225 W Yes! Yes! Int/Ext Benchtop
ITC4020 20 A 11 V >225 W Yes! Yes! Int/Ext Benchtop
  • Combined controller and mount for pigtailed laser diodes in TO can packages with A, D, E, or G pin codes only.
  • Combined controller and mount for pigtailed laser diodes in TO can packages with B, C, or H pin codes only.
  • Combined controller and mount for laser diodes in butterfly packages only.
  • Enhanced compliance voltage for QCL operation.

We also offer a variety of OEM and rack-mounted laser diode current & temperature controllers (OEM Modules, PRO8 Current Control Rack Modules, and PRO8 Current and Temperature Control Rack Modules).

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Compact Laser Diode/Temperature Controllers

  • Integrated Mounts Compatible with Thorlabs' Pigtailed TO Can Laser Diodes
    • CLD1010LP: Compatible with Pin Codes A, D, E, and G
    • CLD1011LP: Compatible with Pin Codes B, C, and H
  • Operate in Constant Current or Constant Power Mode
  • Temperature-Controlled Laser Operation through Built-In TEC

Thorlabs' Compact Laser Diode and Temperature Controllers are complete driver packages designed to drive and cool TO can fiber-coupled laser diodes. These all-in-one units supply up to 1.0 A of drive current, maintain the diode temperature with 0.005 °C of stability over 24 hours, provide a high degree of output stability, and prolong the life of the diode. The controllers also contain a built-in mount for portability and mechanical stability. In additional to a full complement of safety features, such as a soft-start mode, current and temperature limits, and external interlock compatibility, the CLD1010LP and CLD1011LP controllers both include a switchable noise reduction filter and a modulation input.

The devices are controlled with built-in 4.3" diagonal, color resistive touch screens, making it easy to tune, tweak, and optimize the laser output parameters. Operating parameters are set using the intuitive menu system, and the user is never more than two taps away from the home screen. A resistive touch screen allows for the screen to be operated when using gloves or other protective equipment. In addition to the touch screen controls, a mini-USB interface on the rear of the unit enables remote control of all settings using several common programming languages, including LabVIEW and the Standard Commands for Programmable Instruments (SCPI) standard. When using the CLD1010LP or CLD1011LP to drive a laser, make sure that all of the operating parameters are set within the maximum ratings of your device. When fully assembled, these compact devices measure just 4.37" x 2.9" x 6.69" (111 mm x 73.5 mm x 169.9 mm), ideal for tightly packed setups.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
CLD1010LP Support Documentation
CLD1010LPCompact Laser Diode/Temperature Controller with TO Can Mount for Pin Codes A, D, E, and G
$2,696.58
7-10 Days
CLD1011LP Support Documentation
CLD1011LPCompact Laser Diode/Temperature Controller with TO Can Mount for Pin Codes B, C, and H
$2,696.58
Today
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Recalibration Service for the CLD101xLP Laser Diode/Temperature Controllers

Calibration Service Item # Compatible Controllers
CAL-CLD CLD1010LP
CLD1011LP

Thorlabs offers a recalibration services for our Compact Laser Diode Driver/Temperature Controllers. To ensure accurate measurements, we recommend recalibrating the devices every 24 months.

The table to the right lists the controllers for which the CAL-CLD recalibration service is available. Please enter the Part # and Serial # of the controller that requires recalibration prior to selecting Add to Cart.

Please Note: To ensure your item being returned for calibration is routed appropriately once it arrives at our facility, please do not ship it prior to being provided an RMA Number and return instructions by a member of our team.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
CAL-CLD Support Documentation
CAL-CLDRecalibration Service for the CLD101xLP Compact Laser Diode/Temperature Controllers
Part Number:  Serial Number:
$386.94
Lead Time