Optical components required for fire safety
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
Lens
planar convex lens, planar concave lens, biconvex lens, biconvex lens, meniscus lens
Mirrors
Filters
Germanium long wave pass filters, silicon long wave pass filters
Instruments required for fire safety
Smoke and temperature fire detectors, composite smoke and temperature fire detectors, ultraviolet flame detectors, combustible gas detectors