spatial lichtmodulator to phasenreglung and optical information processor using the same

摘要

A phase type spatial light modulator (K1) comprising: a first polarizer (102); a coherent light source (1, 2) for irradiating the first polarizer (102); a liquid crystal cell (103) for receiving output light from the first polarizer (102), at an input side of which a direction (122) of alignment of liquid crystal molecules is parallel to a transmission axis (123) of the first polarizer (102); and a second polarizer (104) for receiving output light from the liquid crystal cell (103), which has a transmission axis (121) parallel to a direction (120) of alignment of liquid crystal molecules at an output side of the liquid crystal cell (103). IMAGE