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75 Amp High Power Laser Diode Bar and Array Current Source with 336 Watt TEC Controller

  • 75 Amp Driver for Laser Diodes with TEC Controller
  • 75 Amp Laser Diode Controller Pinout
  • High Power Laser Diode Controller Connections
  • 75 Amp Laser Diode Bar Controller with TEC
  • labview-drivers-master

$4449.00  
sku / item#: LDC-579
ships: Request a Quote for Current Ship Date

Key Features
  • Enhanced Protection Features for High Current Bar and Array Devices
  • 75 Amp (CW and QCW) Laser Diode Driver
  • 336 Watt (± 7.00 Amp, ± 48 Volt) TEC Controller
  • QCW Mode Pulses from 30 μs - CW
  • RS232 Interface with LabVIEW Drivers, USB Control Available as an Option
  • Previously Sold as PN: LDC-165HV
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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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Why do Scientists & Engineers Choose Laser Lab Source?

MODEL LDC-579
PRICE $4449.00
LASER DIODE CURRENT SOURCE
  • Output Current Range: 0.00 - 75.00 Amps
  • Compliance Voltage Range: 0.00 - 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): ≤ 500 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
  • Programmable Temperature Limits (Upper and Lower)
  • Open Circuit Detection; Short Circuit when Laser Diode Current Turned OFF
  • ESD and Power Surge Clamp, AC Line Filter
  • Reverse Voltage Transient Clamp
  • Factory Pre-Set Default Upper Temperature Limit: 35°C
  • Rear Panel Keylock Switch and Safety Interlock
  • Front Panel Emergency e-Stop Shut-Down Button
TEC TEMPERATURE CONTROLLER
  • TEC Output Power Total: 336 Watts
  • TEC Output Current Range (bipolar): ± 7.00 Amps
  • TEC Output Voltage Range (bipolar) : ± 48.00 Volts
  • Temperature Sensor Inputs: 10 kΩ Thermistor, NTC, PT100, PT1000
  • TEC Control Loop Algorithm: Full P.I.D.
  • P.I.D. Variables: User Adjustable to Optimize Temp. Settling Speed
  • TEC Setpoint Resolution: 0.01°C
  • Temperature Range: -25°C to 150°C
  • Factory Set Default Upper Temperature Limit: 35°C
  • Factory Set Default Lower Temperature Limit: 5°C
QCW PULSE MODE and modulation
  • QCW Pulse Width Range: 30 μs - CW
  • QCW Pulse Time Base Absolute Accuracy: ± 1.0%
  • QCW MODE 1: Internal Function Generator, User Adjustable Pulse Width and Rep. Rate
  • QCW MODE 2: External Trigger, Rising Edge Triggered Pulse
  • Modulation Input: BNC, Digital (TTL) or Analog, 10kΩ Impedance
  • Modulation Bandwidth: 25 kHz
  • ---------------------------------------------------------------------------------------------
  • Modulation Input Voltage Range: 0 ~ 4 Volts (4V = Max Current)
  • Analog Modulation Bandwidth: 1 Hz – 20 kHz
Auxiliary Functions
  • Laser-On External LED Indicator: 5mA Output
  • Pilot Laser Anode, vs. Ground: (5V, 150 mA)
  • Temperature Sensor Input: 10kΩ NTC Thermistor
  • External Fan Control Circuit, 1 - 24V, 500mA (max)
USER INTERFACE and Connectors
  • Front Panel: Alphanumeric LCD
  • USB Optional: $95.00 (Option SVC-USB)
  • LabView Drivers Included
  • Support and Peltier Connector: SubD-15, Female
  • Laser Connector: SubD-5W5, Female
  • RS232 Connector: SubD-9, Female
  • Safety Interlock: Jack Connector, Stereo 3.5mm
DIMENSIONS AND power INPUT
  • Power Input: Universal 100V ~ 240 VAC, 50/60 Hz
  • Dimensions: 127 mm (H) x 200 mm (W) x 275 mm (L)
Recommended Accessories
  • kab-39 Unterminated Connecting Cable -or-
    kab-231 Terminated Connecting Cable
  • kab-298 Power Cable, 60 Amp: Sub-D5W5 (male) -- Cable Lugs
  • acc-417 USB-RS232 Converter

Product Overview:

High Power 75 Amp Laser Diode Bar & Array Controller Overview

The LDC-579 high power controller is designed for power laser diode bars and arrays which require high current, and provide industry-leading safety features to protect your high-power laser diode devices.

Protection Features for High Power Laser Diodes

The LDC-579 driver includes laser diode protection features such as current limit and soft start current ramp to make sure that your laser diodes are protected at all times. The soft-start current ramp is pre-set at the factory to 300 milliseconds, but is user-adjustable. This current ramp-up and ramp-down function is designed to protect the laser from thermal shock during power-up and power-down sequences.

The LDC-579 also includes 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 Features

The current output can be set to a (CW) continuous wave mode or can be set to run in a quasi-CW mode. The QCW mode can be triggered externally or internally using an on-board pulse generator. The driver delivers clean pulses with pulse widths from 30 μsec to CW.

TEC Controller for Precise Temperature Control of Laser Bars

The TEC controller is a bipolar +/- 7 amp and 48 volt controller designed to work with Peltier coolers mounted under or inside the bar or array device. The full PID control loop settles the temperature quickly and keeps the temperature at the desired set-point. Although they ship with factory set default PID variables, the user can adjust each variable to optimize the settling time of the temperature control loop.

Affordable High Power Controller for Laboratory R&D or Laser System Integration

These units are an ideal choice for a small form factor, high power laser control module for use in the lab for R&D or for use in a laser system product.

Laser Driver Control User Interface

The LDC-579 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.

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