Types
| type | Spectral range(μm) | Wavenumber(cm-1) | ||
| Indium gallium arsenide(InGaAs) | photodiode | 0.7-2.6 | 14300-3800 | |
| Germanium | photodiode | 0.8-1.7 | 12500-5900 | |
| Lead sulfide (PbS) | photoconductive | 1-3.2 | 10000-3200 | |
| Lead selenide (PbSe) | photoconductive | 1.5-5.2 | 6700-1900 | |
| Indium antimonide (InSb) | photoconductive | 1-6.7 | 10000-1500 | |
| Indium arsenide (InAs) | photovoltaic | 1-3.8 | 10000-2600 | |
| Platinum silicide (PtSi) | photovoltaic | 1-5 | 10000-2000 | |
| Indium antimonide (InSb) | photodiode | 1-5.5 | 10000-1800 | |
| Mercury cadmium telluride (MCT, HgCdTe) | photoconductive | 0.8-25 | 12500-400 | |
| Mercury zinc telluride (MZT, HgZnTe) | photoconductive | |||
| Lithium tantalate (LiTaO3) | pyroelectric | |||
| triglycine sulfate (TGS and DTGS) | pyroelectric |
The range of pyroelectric detector is determined by the window materials used in their construction.
Vanadium pentoxide is frequently used as a detector material in uncooled microbolometer arrays.
Read more about this topic: Infrared Detector
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