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All-Inclusive High Power Laser Diode Driver + TEC Cooler + Mount Module; Configurable Current and Voltage up to 300W Total Output Power

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sku / item#: RLS/LDC-100
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Key Features
  • Up to 300W Max Output Power to Laser Diode; Factory Configurable Current and Voltage up to 75A (max) and 48V (max)
  • Integrated 192 Watt TEC Controller
  • TEC / Peltier Cooled Heat Sink and Mounting Plate Customized for your Laser Diode Package
  • Standard Models for nLIGHT, LUMICs, Jenoptik, QPC, COHERENT-DILAS and Many other Laser Diode Packages
  • Custom Mounting Plates Available

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MODEL RLS/LDC-100
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CURRENT & VOLTAGE
  • Current Range: 0.00 - 75.00 Amps (configurable)
  • Compliance Voltage: 48 Volts (configurable)
  • Noise & Ripple (rms): < 1% of full scale
  • Current Setpoint Resolution: 5 mA ~ 20 mA (depending of full scale current)
  • Current Setpoint Accuracy: +/- 0.5%
  • PD Power Monitoring Included
INTEGRATED PROTECTION FEATURES
  • Slow-Start Ramp Current
  • Voltage / Current Limits
  • Transient Filters
  • Over-Temperature Shut Off
  • Interlock Shut-Off
TEC TEMPERATURE CONTROLLER AND MOUNTING PLATE
  • TEC Output Power: 192 Watts (8 Amps, 24 Volts)
  • Control Range: 0°C - 115°C (depending on ambient and thermal load)
  • Control Loop: Full P.I.D.
  • Temperature Limits: User Set
  • Sensor Inputs: NTC's (ie 10K), PT100, PT1000
  • MOUNTING PLATE: Nickel Plated Aluminum (Cu Optional)
MODULATION & PULSING MODE OF OPERATION
  • Rise / Fall Time: < 20 μs, 10%-90% (< 7μs on request)
  • Pulse Modes: Continuous, Single Pulses, Bursts
  • Trigger: Internal or External
  • Modulation Input: Digital or Analog
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  • Modulation Input Voltage Range: 0 ~ 4 Volts (4V = Max Current)
  • Analog Modulation Bandwidth: 1 Hz – 20 kHz
USER INTERFACE
  • Optional USB Interface (inquire)
  • RS-485 Industrial I/O: Standard

Product Overview:

High Power Laser Diode Driver + Cooling and Mount Module; Configurable Current and Voltage up to 300W Output
The LDC-100 series laser diode control and mount module integrates three critical elements into a single easy-to-use module: high voltage precision laser diode driver, high power TEC heat-pump mount, and 192 Watt controller for the mount. The system is designed for high power fiber-coupled laser modules. The mounting plate is actively cooled with TEC's and a fan removes excess heat from the chassis.

Modulation, Internal Function Generator, and QCW Pulse Modes
In addition to CW (continuous wave) mode of operation, the LDC-100 offers flexible modulation capabilities and a QCW mode. The controller has an internal function generator which can be used to drive quasi-CW pulses in continuous, single, and burst-mode. In QCW mode, the user can also set 10 μs to CW pulses to trigger from a remote TTL signal source.

Laser Diode Protection Features
These units offer the highest level laser diode protection available to ensure that your device under test is protected at all times. Soft-start current, current and temperature limits, and a fast shut-down sequence keep your device protected at all times. Additionally, transient filters and AC line filters protect the laser against brown-out or black-out power conditions. Multiple laser diode protection features ensure that your laser diode module is protected at all times, while the high power temperature controller with full PID control loop provides fast and efficient heat removal from the laser diode under test. These units offer precision current source control in both CW and pulsed modes. Pulse-widths as narrow as 10 microseconds are achievable, and available low impedance interface cables ensure clean pulses and eliminate overshoot / jitter.

Laser Diode Driver Control Interface
The LDC-100 features an RS485 interface and includes LabView drivers. An optional USB digital interface is available; inquire for details on ordering the USB control option. The LDC-100 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 connector, and a low impedance copper cable can be purchased with these units to optimize the QCW pulse mode of performance. The low impedance cable option is highly recommended for high power pulsing applications to achieve the shortest possible rise and fall times.

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