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Benchtop External Cavity Laser Controller article

Benchtop External Cavity Laser Controller

Laser Current | TEC | Piezo Scanning | Remote Control


The PilotPZ is a laser diode controller together with laser diode temperature controller, Piezo Amplifier and Function Generator combined in one bench-top instrument. Special features are low noise laser current and highly stable temperature control. Remote control via USB, GPIB / IEEE 488.2, and RS232 interface.
Benchtop External Cavity Laser Controller



Technical Details

Laser Diode Current Controller:

  • Operates Anode- and Cathode Grounded Laser Diodes and Photodiodes
  • Operates Light Emitting Diodes (LED)
  • External Modulation Input
  • Analog Monitor Output for Laser Current and Laser Power
  • Laser Diode Control Modes
    • Constant Current Mode
    • Constant Power Mode
  • Laser Diode Protection Features
    • Adjustable Laser Current Limit
    • Adjustable Laser Power Limit
    • Adjustable Compliance Voltage
    • Temperature Window Function
  • Extremely Low Laser Current Noise Figure
  • High Laser Current Long Term Stability

Laser Diode Temperature Controller:

  • Excellent Temperature Stability
  • Digital PID Control with Separate P, I, D Settings
  • Temperature Sensors
    • NTC Sensors
    • AD590 Sensors
  • TEC Protection Features
    • Adjustable TEC Current Limit
    • Time-Out Limit
    • Temperature Window Function

Piezo Amplifier:

  • Low Noise Voltage Amplifier
  • Bipolar Amplification –13V to +13V
  • High Frequency Range up to10kHz
  • High Long Term Voltage Stability

Function Generator:

  • Variable Waveforms
    • Sinusodial
    • Triangular
  • High Frequency Range 0.1Hz to10kHz
  • Modulation Applicable to
    • Piezo Voltage
    • Laser Current

Demanding diode lasers as Distributed Feedback (DFB) Diode Lasers or External Cavity Diode Lasers (ECDLs) require a highly precise, low noise, long term stable diode laser controller. Spectral linewidth as well as long term stability of these laser systems are directly determined by the laser controller. The PilotPC represents more than 15 years of experience in precision laser system development for laboratory and industrial enviroments.



Specs & Stock List

  PilotPZ 500 PilotPZ 4000
Laser Controller    
Current Range  0 ... +/- 500mA 0 ... +/- 4000mA
Compliance Voltage 7V 7V
Setting Accuracy +/- 0.1% +/- 0.1%
Resolution 0.1mA 1mA
Noise Figure (10Hz ... 10MHz) < 5µA < 20µA
Temperature Controller    
Temperature control range -5°C ... +30°C -5°C ... +30°C
Setpoint Accuracy 1mK 1mK
TEC current range 0 ... +/- 2A 0 ... +/- 4A
Output Voltage -8V ... +8V -8V ... +8V
Maximum Power 16W 32W
Temperature Sensor AD590 / 10k NTC AD590 / 10k NTC
Piezo Controller    
Voltage range -13V ... +13V -13V ... +13V
Setpoint Resolution < 1mV < 1mV
Scan Rate 0.1Hz .. 10kHz 0.1Hz .. 10kHz
General Data    
Line Voltage 100V / 115V / 230V
+/- 10%
100V / 115V / 230V
+/- 10%
Line Frequency 50Hz / 60Hz 50Hz / 60Hz
Operation Temperature 0 ... 40°C 0 ... 40°C
Storage Conditions -25°C ... +70°C -25°C ... +70°C
Dimensions (W x H x D) 270 x 110 x 320 mm 270 x 110 x 320 mm




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Technical Documents

High Power Tunable External Cavity Diode Lasers