FIELD: physics.
SUBSTANCE: optical filter includes an active element of zinc-cadmium telluride Cd1-xZnxTe (0≤x<1) nanoparticle layer with nanoparticle size of 5-10 nm and layer thickness of 30-50 nm, the layer being grown on a passive element surface of crystal zinc telluride (ZnTe). Variable "x" in the formula Cd1-xZnxTe allows giving specific spectral cutoff position within the wavelength range of 0.550 micron (x=1) to 0.838 micron (x=0).
EFFECT: reduced thickness of active element of the optical filter.
1 cl, 2 dwg
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