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70 Amp Laser Diode Driver; Optimized for High Power Laser Bars & Arrays

  • Laser Diode Driver, Model LDI-607
  • laser diode driver pulse and CW rear panel
  • Laser Diode Driver Installation Infographic
  • 70A high power laser diode driver pinout
  • 70 Amp Laser Diode Driver Connectors
  • labview drivers screen capture image

$4950.00  
sku / item#: LDI-607
ships: 14 to 18 days

Key Features
  • Protection Features Optimized for High Power Laser Diode Bars and Arrays
  • CW Mode and QCW Modes (Includes Internal QCW Pulse Generator)
  • RF Modulation Input and Output Functionality
  • Open Circuit Detection and Fast Shut-Down with Analog Control Loop
  • RS232 with LabView Drivers; USB Interface Optional (Inquire)
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Select Cables and Accessories for this Controller


This cable is also available terminated on the
controller end with a 15-pin d-sub connector (male) and
15-pin d-sub connector (female) on the device-end (kab-231).

This cable is also available terminated on the
controller end with a 15-pin d-sub connector and
unterminated on the device-end (kab-39).

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MODEL LDI-607
PRICE $4950.00
LASER DIODE CURRENT OUTPUT (CW / QCW)
  • Output Current Range: 0.00 - 70.00 Amps
  • Compliance Voltage Range: 0.12 -5.00 Volts
  • 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 Factory Default Set to 300 Milliseconds; User Adjustable
  • User-Programmable Current Limit
  • Open Circuit Detection
  • ESD and Power Surge Clamp, AC Line Filter
  • Reverse Voltage Transient Clamp
  • Rear Panel Keylock Switch and Safety Interlock
  • Short Circuit when Laser Diode Current Turned OFF
  • Front Panel e-Stop Button Emergency Shut-Down
QCW PULSE MODE AND MODULATION
  • QCW Pulse Width Range: < 29 μs to CW, 10%-90%
  • Integrated QCW Pulse Generator, also Accepts External Trigger for QCW Pulses
  • Pulse Time Base Accuracy: ± 1.0%
  • Modulation Input: BNC, Digital (TTL) or Analog, 10kΩ Impedance
  • ------------------------------------------------------------------------------------------------
  • External Modulation Input Voltage Range: 0 ~ 4 Volts
  • ANALOG MODULATION BANDWIDTH: 1 Hz - 20 kHz
auxiliary functions and connections
  • External Laser-ON LED Output (5 mA)
  • Pilot Laser Output
  • External Temperature Sensor Input
  • External Cooling Fan Output (1 - 24 V, 800 mA)
User INTERFACE and Connectors
  • Front Panel: Alphanumeric LCD with Key Pad
  • RS232 Standard, SubD-9, Female
  • USB Optional: $95.00 (Option SVC-USB)
  • LabView Drivers Included
  • Laser Diode Connector: SubD-5W5, Female
  • Auxiliary Functions Connector: SubD-15, Female
  • Safety Interlock: Jack Connector, Stereo 3.5mm
DIMENSIONS AND POWER INPUT
  • Power Input: Universal 100V ~ 240 VAC, 50/60 Hz
  • Dimensions: 89 mm (H) x 482 mm (W) x 266 mm (L)
  • Chassis Height: 2U (Standard Rack-Mount Units)
Recommended Accessories
  • kab-39 Unterminated Connecting Cable -or-
    kab-231 Terminated Connecting Cable
  • kab-141 Power Cable, 80 Amp: Sub-D5W5 (male) - Cable Lugs
  • acc-417 USB-RS232 Converter

Product Overview:

70 Amp Laser Diode Driver for High Power Bars and Arrays

The LDI-607 series high power drivers for laser diodes offer up to 70 amps of bias current at a maximum voltage of 5V. The integrated function generator can be programmed to generate QCW pulses from 29 microseconds to CW. The QCW pulse mode feature is capable of delivering continuous pulses, single pulses, and pulse bursts which are internally or externally triggered.

Customized Protection for High Power Laser Bars and Arrays

These current sources feature multiple levels of built-in laser diode protection which have been optimized for high power bars and arrays. One of the unique features is a user programmable soft-start ramp of the bias current to the device under test. The factory sets the ramp time to 300 milliseconds as a default, but the user can adjust this time period from 1 millisecond up to 10's of seconds. This current ramp up and down function is designed to protect the laser from thermal shock during power up and down sequences.

The LDC-607 also offers features such as current limit, a brown-out and black-out power surge clamp, AC line filters, and a fast response to shunt the current in the event of an open circuit. There is an interlock safety connection as well as a front panel Emergency-Stop kill switch to ensure the laser is operated only when the user has determined it is safe to do so.

Laser Driver Control User Interface

The LDC-607 front-panel controls provide fast and simple setup, and an RS232 interface with LabView drivers is included standard. The LabView GUI makes set-up and control of the system fast and simple. An optional USB digital interface is available; inquire for details on ordering the USB control option.

Controller Power Interface

The LDC-607 utilizes high current DSUB-5W5 style connector on the rear panel. A 15-pin D-sub connector is included for ancillary control functions, including external photodiode measurement, Laser-On Indicator LED, temperature sensor input, and an external cooling fan control.

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