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Advanced Performance High Power PULSE Mode Laser Diode Driver Module; Industrial Design for System Integration
- Current Setpoint Range 2A to 75A
- Compliance Voltage Range 70V (max)

  • Pulsed Mode Model LDD-1137 Laser Diode Driver
  • Pulse Mode LDD-1137 Laser Diode Driver

$1763.00  
sku / item#: LDD-1137P / LASER-DIODE-DRIVER-MODULE
ships: Request a Quote for Current Ship Date

Key Features
  • Pulse Mode Rise Time 1 µs to CW -- Pulse Width / Rep Rate / Duty Cycle are Set by Utilizing TTL Input
  • Compact, Highly Advanced Design w/RS485 / USB / Ethernet Interfaces and Control Software Included
  • Arbitrary Waveform Look-Up Table Stored On-Board
  • Designed for Industrial Laser Systems
  • Offered by Meerstetter Engineering GmbH, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group

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MODEL LDD-1137P / LASER-DIODE-DRIVER-MODULE
PRICE $1763.00
Output SPECIFICATIONS
  • Output Current Range: 2 Amps – 75 Amps
  • Compliance Voltage Range (max): 70 Volts
  • Current Setpoint Resolution: 1.5 mA
  • Output Ripple: ~ 0.2%
  • Continuous Operation > 60 Amps May Require Additional Cooling
Pulsed Mode Output Specifications
  • Maximum Pulse Frequency: TBD (kHz)
  • Rise Time: < 1 µs to CW (load dependent - refer to data sheet)
  • Pulse Generation Method: CW Chopping
Laser Safety Specifications
  • On-Board Interlock Connector
  • Ultra-Fast Output Switch-Off
  • Thermistor Input for Laser Chip Temp. Sensing
General Specifications
  • Input Voltage: 18 V – 75 VDC
  • Input Voltage Ripple (max): 300 mVpp
  • Operating Temperature Range: 0ºC to 70ºC
  • Operating Humidity: 5% – 95%, non-condensing
  • Dimensions: 118 mm x 171 mm x 48 mm
  • Efficiency: >96%, at 50% duty cycle
  • Cooling: Conductively Cooled Baseplate

Product Overview:

75 Amp Pulsed OEM Laser Diode Driver Overview

The LDD-1137 is a new and advanced laser diode driver, available in two models: CW Output and Pulsed Output. New 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, and additional functions, while still maintaining a 1.5 mA resolution and keeping a very low output ripple.

Equipped with optional light measurement circuitry, the LDD-1137-LPC can also be operated as a Laser Power Controller (LPC).

Fast Rise Time, CW-Chopping Pulsed Mode

The LDD-1137 maintains low-ripple output current in the pulsed regime using a chopped-CW drive circuit; ripple currents of ~0.2% are possible. A 64,000 point look-up table is stored internally for output of arbitrary current wave-forms, a first for compact OEM laser diode driver modules.

Low Noise Output / Industry Leading Laser Diode Protection

These modules are innovative current drivers that contain a proprietary current source able to precisely drive laser diodes in pulsed or CW mode. It can be equipped with an optional laser power measurement circuit / photo-diode input. The LDD-1137 also monitors laser diode temperature (NTC thermistor input). The LDD-1137 is fully digitally controlled; its firmware is upgradeable to offer various communication options and to meet specific customer requirements.

USB and RS485 Interfaces with Control Software

The included PC-Software (USB / RS485) facilitates configuration, control, and real-time monitoring of the LDD-1137. All device settings are saved in non-volatile memory and can be backed up and restored. For remote / OEM applications, the LDD-1137 may be fully controlled by a system bus that features RS485 communication, pulse, interlock and 6 reserve lines.

The LDD-1137 is part of the LDD family of Meerstetter laser diode drivers, which are designed to operate alongside devices of the TEC family of Peltier controllers.

» CW-Model available - 75 Amp output, up to 70 Volt compliance «

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