Abstract
Abstract Results are reported on the investigations on an electrically controlled phase holographic grating. It has a nearly sinusoidal profile with 1,4.μm deep grooves spaced at 12,5μm. The control voltage applied to the nematic liquid crystal has an amplitude of 0-25V and frequency 1-10 kHz. A light beam from a He-Ne laser (0,633μm) with a palarization parallel, perpendicular and at 45° the grooves of the grating is used.
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