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LEDs
-- Specifications
Photodiodes
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Laser Diodes
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Drivers
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Applications
 
MID-IR
 
Driver for LED

LED Driver D-31 is designed for power supply of all models of Mid-IR LED's. Driver provides two modes of operation:

  • Quasi Continuous Wave (quasi steady-state) mode: Such mode provides maximum average optical power from the LED. Current in this mode can be changed in the range 0-400 mA. One of four frequencies, 0.5 kHz, 2 kHz, 8 kHz or 16 kHz, can be selected.
  • Pulse mode: Such mode provides maximum peak optical power from the LED. In this mode, in addition to frequency selection, pulse duration can also be selected within the range of 0.6-20 μs. Peak current in pulse mode can be changed in the range 0-2 A.

Customer can also custom order a driver with required current, frequency of pulse duration.
Driver for Laser Diode or LED with Temperature Control
Laser Driver DLT-27 is designed for power supply of all models Mid-IR LD’s and LEDs which require temperature control. The driver provides two operational modes:
  • QCW - Quasi Continuous Wave (quasi steady-state) mode: Such mode provides maximum average optical power from the LD. Current in this mode can be changed in the range suitable for this LD (for example, 20-110mA). Frequency is 16 kHz.
  • Pulse mode: Such mode provides maximum peak optical power from the LD. Peak current in pulse mode can be changed in the range suitable for this LD (for example, 20-110mA). Frequency is also 16 kHz, pulse duration 1μs.
Preamplifier for PD
The AM-07 Preamplifier converts the current output of a signal source such as for example Mid-Infrared photodiode, into a voltage output with amplification of the voltage for subsequent use with various electronic systems, like lock-in amplifiers, oscilloscopes or A/D converters.
Preamplifier for PD with Temperature Control
Amplifier AMT-07 converts the current output of a signal source from Mid-Infrared photodiode into a voltage output with amplification of the voltage for use with various electronic systems, like lock-in amplifiers, oscilloscopes or A/D converters.

In addition, it is designed for operation with photodiodes with built-in thermocooler and thermistor so customer can select and set the temperature of PD operation. Circuit with feedback will set the necessary thermocooler current for maintaining the selected temperature.
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