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25 Amp, 64 Volt Laser Diode Driver;
High Compliance Voltage Range

  • LDI-532 laser diode driver front panel
  • LDI-532 laser diode driver rear panel
  • LDI-532 laser diode driver key features graphic
  • LDI-532 laser diode driver devices panel
  • Software Screen Capture Driver for Laser Diodes Pulsed and CW

$3995.00  
sku / item#: RLS/LDI-532
ships: ✔ In Stock | Quantity In Stock: 1

Key Features
  • Current up to 25 Amps; Compliance Voltage up to 64 Volts
  • Optimized for 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
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group

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Why do Scientists & Engineers Choose Laser Lab Source?

MODEL RLS/LDI-532
PRICE $3995.00
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 Limit Setpoint Accuracy: ± 2%
  • Photodiode Current Measurement Accuracy: ± 0.5%
  • Photodiode Current Measurement Range: 0.00 - 700 μA
INTEGRATED LASER DIODE PROTECTION FEATURES
  • User Adjustable Soft-Start Current Ramp Factory Default Set to 300 Milliseconds
  • Current Limit
  • Fast Open-Circuit Detection and Shut-Down
  • 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 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 and Flip-Up Benchtop Feet
  • 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:

High Current and High Compliance Voltage Laser Diode Driver

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-single 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. 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; Protection for your 808 / 915 / 940 / 976nm High Power Pump Laser

These drivers include all of the industry standard laser diode protection features such as current limit, soft-start current ramp and power surge clamps to make sure that your laser diode is protected at all times. Additionally, they offer additional protection circuits designed specifically for high voltage lasers. The user has the ability to adjust the soft-soft current ramp time in order to lengthen or shorten the current ramp time based on the application. In CW applications, the user can lengthen the current rise time to reduce the possibility of thermal shock damaging the multi-single emitters. In QCW applications, the user can shorten the rise time to optimize for clean pulses. The LDI-532 is pre-set to a 300 millisecond soft-start current ramp which is optimal for general use conditions. These units also include a fast all-analog feedback loop to sense open circuit conditions and automatically short the current output to the laser diode when needed. This helps prevent damage which can be caused by over-voltage or over-current response from DC power supplies when an intermittent contact in the current path occurs.

Laser Driver User Features

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 for an additional $100.00. Inquire for details on ordering the USB control option. The driver utilizes a high current SubDW2 rear panel connector and there are multiple cabling options available to ensure reliable connection to your device under test. The model 532 is offered in a rack-mount 19 inch chassis. It also includes "flip-up" feet on the bottom of the chassis for use on a laboratory bench or optical table.

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