Oleg Kushnir

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Abstract. Simple expressions for designing of the double bandpass optical filter have been obtained. These expressions make it possible to determine the phase thicknesses of the two symmetrical layers of multilayer structures, which provide double bandpass optical filter based on the interference reflector with an odd number of layers. The possibility of designing double bandpass optical filter with different bandwidth is shown.

Key words: bandpass optical filters, transmittance, multi-beam interference, antireflection, optical constants.

Simple expressions for the designing of the double bandpass optical filter

ECONTECHMOD
an international quarterly journal on economics of technology and modelling processes