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25 Amp, 64 Volt Laser Diode Driver
High Compliance Voltage

  • Laser Diode Driver for nLight, Lumics, Coherent and Lumentum Lasers
  • High Power Laser Diode Driver Features
  • high power laser diode driver small img
  • Model LDC-532 Laser Diode Driver Connectors
  • Software Screen Capture Driver for Laser Diodes Pulsed and CW

$3895.00   ships: 3 weeks | item#: LDI-532

Key Features
  • Current up to 25 Amps; Compliance Voltage up to 64 Volts
  • Optimized for Multi-Chip High Compliance Voltage Pump Laser Diodes from nLight, Lumics, II-VI, Lumentum, Coherent/DILAS
  • CW Mode and Integrated Quasi-CW Pulse Generator; Pulse Widths from 30 µs to CW
  • User Configurable Soft-Start Ramp to Laser Diode Bias Set-Point
  • Open Circuit Detection and Fast Shut-Down with Analog Control Loop
  • RS232 Interface with LabVIEW Drivers
  • Optional USB Interface available
  • Offered by OsTech, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group

Price and Delivery Quote

You will receive factory-direct price with no mark-ups

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MODEL LDI-532
PRICE $3895.00
LASER DIODE CURRENT AND VOLTAGE OUTPUT (CW / QCW)
  • Compliance Voltage Range: 0.12 - 64.00 Volts
  • Output Current Range: 0.00 - 25.00 Amps
  • Current Noise & Ripple (rms): < ± 0.5% ( of full scale current )
  • Current Setpoint Resolution: 18 mA
  • Current Setpoint Accuracy: ± 0.5%
  • Current Stability (4 hours): ≤ 300 ppm
  • Current Limit Setpoint Accuracy: ± 2%
  • Photodiode Current Measurement Accuracy: ± 0.5%
  • Photodiode Current Measurement Range: 0.00 - 700 μA
INTEGRATED LASER DIODE PROTECTION FEATURES
  • Soft-Start Current Ramp to Setpoint (User Programmable)
  • Soft-Start Current Ramp Factory Default Set to 300 Milliseconds
  • Current Limit
  • Open Circuit Detection
  • ESD and Power Surge Clamp
  • Reverse Voltage Transient Clamp
  • AC Line Filter
  • Rear Panel Keylock Switch and Safety Interlock
  • Short Circuit when Laser Diode Current Turned OFF
  • Front Panel e-Stop Button Emergency Shut-Down
MODULATION & QCW PULSING MODE
  • QCW Pulse Width Range: 30 μs to CW, 10%-90% se
  • Integrated QCW Pulse Generator, also Accepts External Trigger (Rising Edge) for QCW Pulses
  • QCW Pulse Time Base Accuracy: ± 1.0%
  • MODULATION Input (BNC): Digital (TTL) or Analog
  • MODULATION BNC Input Impedance: 10K ohm
  • MODULATION Input Voltage Range: 0 ~ 4 Volts (4V = Max Current)
Dimensions and Input Power
  • Standard Rack Width: 19 inches
  • 2U Rack Height
  • Includes Front Panel Mounting Brackets
  • Weight: ~ 15 kg
  • Input Power: Universal 100V ~ 230VAC, 50/60 Hz
COMPUTER INTERFACE
  • RS232 Standard, LabView Drivers Included
  • USB OPTIONAL: $95.00 (OPTION SVC-USB)

Product Overview:

25 Amp / 64 Volt Laser Driver Overview

The high power LDI-532 drivers offer up to 1.7 killowatts of power for laser diodes connected in series, laser diode stacks and multi-emitter devices. The drivers feature multiple levels of built-in laser diode protection which have been optimized for multi-chip laser diodes. They are used to safely power the newest generation of pump lasers from companies such as nLight, Lumics, DILAS, and II-IV.

Laser Driver Features

These drivers feature a user programmable soft-start ramp of the bias current to the laser diode. The factory sets the ramp time to 300 milliseconds as the default, but the user can adjust this time period from 1 millisecond up to 10's of seconds. This current ramp-up and ramp-down function is designed to protect the laser from thermal shock during power-up and power-down sequences.

Additionally, these units offer CW, modulated and Quasi-CW/ pulsed modes and have an integrated function generator. Pulse widths as narrow as 30 microseconds are achievable.

Protection Features for High Voltage Laser Diodes

The driver includes laser diode protection features such as current limit, soft start current ramp, and power surge filters to make sure that your laser diodes are protected at all times.

Laser Driver Control User Interface

The LDI-532 features front-panel controls for fast and simple setup, and includes an RS232 interface with LabView drivers. An optional USB digital interface is available; inquire for details on ordering the USB control option.

Controller Power Interface

The LDI-532 also has AC line filters and a fast response to shunt the current in the event of an open-circuit. The driver utilizes a high current rear panel connector, and there are multiple cabling options available to ensure reliable connection to your device under test.

The driver is designed in a rack-mount 19 inch chassis.

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