Laser Diode Driver
0-75 A / 0-70 V High-Precision CW, QCW and Pulsed

Laser Diode Driver LDD-1137-CW
Laser Diode Driver LDD-1137-CW with a pen

Hardware Configuration

Heading for custom options
For more information about the hardware configuration refer to the last pages of the datasheet for ordering options.

Base price:1350.00 CHF
Sales price 1350.00 CHF
Total without tax:1350.00 CHF
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Prices for multiple units
1: 1350.00 CHF/unit
2: 1283.00 CHF/unit
5: 1198.00 CHF/unit
10: 1139.00 CHF/unit

For more than 10 units,
please request a quotation

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The Meerstetter LDD-1137

New product, complete redesign and improvement, leveraging new technological advances and several years of experience with the previous LDD generation. A new, much faster processing core enables better timing, faster pulses, faster rise/fall times, while still using the proven and stable ME-COM interface protocol. Together with the free PC software a quick and easy to integrate solution for your system.

Detailed Description

The LDD-1137 is a specialized Laser diode driver able to work as CW Laser diode drive or Laser diode pulse driver. New emerging technologies like eGaN FETs enable faster pulses, improved wave forms and better efficiency. A new processing core enables a faster processor connection to the powerful FPGA, more interfaces, more precise timing, additional functions and much more, while still maintaining a 1.5 mA resolution with much higher current and keeping a very low output ripple.

This high power Laser diode driver is our most powerful device. As it has a max output of about 3500 W, it can be used as a diode driver, as well as a Laser driver. Equipped with optional light measurement circuitry, the LDD-1137-LPC can also be operated as a Laser Power Controller (LPC; available 2023).

The LDD-1137 offers various safety features, including an input for Laser diode temperature monitoring. They are fully digitally controlled and the firmware is upgradeable to offer various communication options and to meet specific customer requirements.

Technical data

Supply Voltage 18-75 V DC
Output Voltage 0-70 V
Output Current 0-75 A, < 0.2 % Ripple (>60 A for a prolonged period may require additional cooling)
CW / Modulated Current :
- CW Current Control Configurable PID
- CW Current Resolution 1.5 mA
Pulsed Current :
- Pulse Generation CW Chopping
- Pulse Duty Cycle 0 to 100%
Laser Power Control :
- CW Light Control Configurable PID
- Light Meas. Sampling 1 MSps
Communication Interfaces USB, RS485, Ethernet
Configuration / Diagnosis via Communication Interfaces and PC-Software (free of charge)
Efficiency > 96% (@ >50 % Duty cycle)
Dimensions (L x W x H) 118 mm x 171 mm x 48 mm
Additional Information Possibility to operate device in parallel mode to obtain double output current

Shop Information

  • Payments by credit card or by invoice
  • Cheques are not accepted
  • For more than the maximum number of units please request a quotation
  • Devices from stock are shipped within 3-8 days
  • All prices excl. VAT (unless otherwise stated)
  • Additional to the shipping costs (only if sent with our account), there are duties and taxes to be paid by the recipient
  • The products are shipped worldwide