Optical components required for night vision low light
Windows
Calcium fluoride windows, barium fluoride windows, magnesium fluoride windows, silicon windows, germanium windows, zinc selenide windows, zinc sulfide windows, sapphire windows, fused silica windows, lithium fluoride windows, K9 glass windows
Filters
Germanium long wave pass filters, silicon long wave pass filters
The application fields of night vision low light
Night combat equipment, reconnaissance and surveillance, aiming and shooting, night patrol, rescue, surveillance and reconnaissance, surveillance, security, night driving, aviation navigation, astronomical observation, ocean research, outdoor exploration, photography and videography
Instruments required for photoelectric infrared
Infrared spectrometer, thermocouple detector, photomultiplier tube detector, semiconductor detector, focal plane array detector, infrared thermal imager, infrared sensor
