DH-PbSe-Te lead selenide detector

The DH_PBSE_TE cooled lead selenide photodiode offers wide spectral responsivity down to 5 µm and the convenience of thermoelectric cooling. 

The DH_PBSE_TE, which contains a 3x3mm active area lead selenide photodiode, operates in photoconductor mode with a high-voltage 215 supply, while temperature control is provided by the CPS1M. 

Using an optically chopped input, the signal generated by this detector is best measured using the 477 trans-impedance pre-amplifier followed by the 496 DSP lock-in amplifier.