We have designed a variety of ultra-low-noise preamplifiers and bias power supplies for many different types of cooled and uncooled radiation detectors, including:

Thermopile
Micromachined Thermopile
Thermistor Bolometer
Pyroelectric
Silicon PN photodiode
Silicon PIN photodiode
Silicon Avalanche photodiode
Germanium photodiode
Lead Sulfide (PbS)
Lead Selenide (PbSe)
Cadmium Sulfide (CdS)
Cadmium Selenide (CdSe)
Vacuum phototube
Photomultiplier
Indium Arsenide (InAs)
Indium Antimonide (InSb)
Mercury Cadmium Telluride (HgCdTe, MCT)
Lead Tin Telluride (PbSnTe)
Scintillators
CCD
MOS imagers
Geiger-Müller Tubes