Light demultiplexing set=up for different wavelengths - uses wavelength selective element to divide out components of different wavelengths from multiplexed beam

摘要

The arrangement demultiplexing (DEM) light (In) of different wavelengths (ln) comprises a light wave guide (LWL), at least one spherical lens (KSn) to produce parallel rays, and at least one lightwave selective element (WE), as well as two light reflective surfaces (SP1,SP2) and facing opto-electric elements (EDn) to select the light components (L1,L2,L3...Ln) constituting light (ln). USE/ADVANTAGE - Increased optical selectivity of light components in transmitted light using only single light wave selective element. Temperature and humidity stable.