FIELD: physics.
SUBSTANCE: neutral light filters are used in optical devices, particularly as attenuators which reduce radiation intensity. The neutral light filter consists of alternating layers of crystalline gallium monoselenide GaSe and gallium nanoparticles. Said light filter has a holder which has a heat carrier channel.
EFFECT: uniform attenuation of light with wavelength of 2,5-15 mcm.
4 dwg, 1 ex
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