Abstract
A new optical switching device based on photochromic dye isomerization in a planar type active waveguide was proposed. The polymeric thin-film composed of a well designed spirooxazine derivative shows new light absorption band in the visible range (γmax = 587 nm) due to very fast photochromism under UV irradiation. Since this polymeric thin-film can also act as an intrinsic waveguide, the output intensity of input and guided visible light (γ = 633 nm, He-Ne Laser) through planar thin-film was decreased effectively during UV irradiation.
Published Version
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