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TXP Rack Controllers

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Laser Diode Current / TEC Controller - ITC5000 Series




  • Current & Temperature Control
  • 3 Current Ranges
  • Very Low Noise and Drift
  • For All Laser Diode Polarities

Three Versions to Choose from:

  • ITC5022: Laser Diode Current/TEC Controller ±200 mA / ±1.5 A
  • ITC5052: Laser Diode Current/TEC Controller ±500 mA / ±1.5 A
  • ITC5102: Laser Diode Current/TEC Controller ±1 A / ±1.5 A

ITC5000 Features

  • Laser Diode Current and Temperature Control
  • Very Low Noise and Drift
  • Excellent Temperature Stability
  • Supports All Laser Diode and Monitor Diode Polarities
  • Constant Current (CC) and Constant Power (CP) Modes
  • Superior Laser Diode Protection
  • Internal & External Modulation
  • Safe & Ultra-Stable Laser Diode Operation

Introduction
The ITC5000 Series Modules are combination laser diode and TEC controllers for the TXP platform. They allow space-saving simultaneous current and temperature control of a laser diode with a single module. The ITC5000 Series offers three laser diode current ranges, ±200 mA , ±500 mA and ±1 A, that support all laser diode and monitor diode polarities. These modules can also be modulated, externally or internally. All three models incorporate a TEC controller that provides up to ±1.5 A / 5.25 W.

Features
Besides common protection functions such as interlock and softstart, an advanced circuit design ensures that transient spikes cannot affect the laser current. The temperature controller, which is identical for all modules, is designed to keep the laser temperature constant for highly stable power and wavelength operation. Separate adjustment of the P, I and D shares of the temperature servo loop allow optimizing temperature settling times. An additional temperature window protection circuit switches the laser current off if the laser temperature leaves a preset temperature window.

The ITC5000 models offer exceptional noise and stability performance. All laser diode and photodiode pin configurations are supported.

Operation
For the operation of the ITC5000 modules a TXP chassis is required. The modules are hot-pluggable, i.e. you can insert or remove them during operation of other modules. An intuitive graphical user interface (GUI) for the ITC5000 is delivered with the TXP chassis, as well as drivers for LabVIEW™, LabWindows/CVI™, MSVC and Borland C.

Connection Cables
A CAB530 cable is required to connect the ITC5000 modules to a Thorlabs' Laser Diode Mount. The cable has to be ordered separately.

 


Connection Cable for the ITC5000 Series

 

Pin # CAB530
(15 Pin)
CAB530
(9 Pin)
CAB530
(9 Pin)
  CAB420-15 15 Pin Diagram CAB400 9 Pin Diagram CAB420-15 9 Pin Diagram
1 Interlock and Status LASER ON/OFF Interlock and Status LASER ON/OFF N.C.
2 Photodiode Ground, Cathode or Anode (configurable) Photodiode Ground, Cathode or Anode (configurable) Thermistor (+)
3 Laser Diode Ground Laser Diode Ground Thermistor (-), Ground
4 Photodiode Input, Anode or Cathode (configurable) Photodiode Input, Anode or Cathode (configurable) TEC (+)
5 Ground for Pin 1 Ground for Pin 1 TEC (-), Status LED (-)
6 Voltage Measurement TEC (+) Voltage Measurement Laser Diode Cathode N.C.
7 TEC (+) Laser Diode Cathode
(with Polarity Anode Grounded - AG)
N.C.
8 TEC (-) Laser Diode Anode (with Polarity Cathode Grounded - CG) N.C.
9 Voltage Measurement Laser Diode Cathode Voltage Measurement Laser Diode Anode N.C.
10 Laser Diode Cathode (with Polarity Anode Grounded - AG)         
11 Laser Diode Anode (with Polarity Cathode Grounded - CG) 
12 Voltage Measurement Laser Diode Anode
13 Voltage Measurement TEC (-)
14 Thermistor (-), Ground
15

Thermistor (+)

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