DFB Laser Diode Controller

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sku / item#: LDC-SLT01
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Key Features
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  • Please contact Sacher LaserTechnik for more info

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Laser Diode Current Source
  • Output Current Range: 0 - 500mA
  • Current Setpoint Resolution: 0.1mA
  • Current Setpoint Accuracy: ±0.1%
  • Noise (10Hz to 10MHz): < 1μA (see attached Noise Density image)
  • Compliance Voltage: 0 - 7V
Temperature Controller / TEC Controller
  • Output Type: Bipolar Constant Current Source
  • Compliance Voltage Range: 0 to 8V
  • Output Current Range: -3A to 3A
  • Maximum Power: 32 Watts
Laser Diode Protection
  • Exclusive clamping current limits
  • Output shorting circuits
  • slow-start turn-on
  • Power-line transient suppression with AC line filters
Temperature Sensor Information
  • Temperature Sensor Thermistor: NTC (ie 10K NTC)
  • IC Temp Sensor: AD590
  • Temperature Control Range: -5°C to 30°C
  • Setpoint Resolution: 0.1°C (-5°C to 30°C)
  • Dimensions (WxHxD): 270 x 110 x 320 mm
  • Weight: < 5kg
  • Line Voltage: 110V / 115V / 230V +/- 10%
  • Line Frequency: 50 .. 60Hz
  • Warm-Up Time 10min
  • Storage Conditions -25 .. 70°C
  • Operating Temperature 0 .. 40°C

Product Overview:

The PilotPC Laser Driver from Sacher LaserTechnik is a highly precise laser diode controller which has been optimized for DFB laser diodes. Theses laser drivers are managed by a 16 Bit u-controller with internal flash memory. The main focus when designing these drivers was to give the customer a very low noise laser current source. The output power stage of the laser driver is not designed with switch-mode power supply technology. This design choice causes some additional thermal power losses and makes a internal fan necessary. But the result is a sub-microamp levels of noise and ripple for high stability performance from your laser diode.

For automated control, a GPIB/IEEE-488.2 , an RS232 and a USB interface allows remote programming and readout from your PC. All instrument functions accessible from the front panel are also accessible through the interface bus, allowing control or testing of the laser system. In addition, a LabVIEW® instrument drivers are available free upon request. For quick and easy operation without confusing multilayer menus, the front panel of the PilotPC is divided into two major sections, TEC and LASER Control. The display section allows monitoring of control parameters for the TEC (Thermo electric cooler) and laser diode. The PilotPC incorporates proven laser protection features, including exclusive clamping current limits, output shorting circuits and slow-start turn-on. In addition, power-line transients are suppressed with AC line filters.

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