Regular paper

[OPTICAL REVIEW Vol. 5, No. 2 (1998) 89-92]

Diffraction-Based Spatial Light Modulation: Transverse Linear Electrooptic Effect in Polymers

Kenji HARADA,¹ Masahide ITOH,¹ Igor N. KOMPANETS,² Hiro MATSUDA,³ Alexander V. PARFENOV,^2,4,* Nobuyuki TAMAOKI,³ and Toyohiko YATAGAI¹

¹Institute of Applied Physics and Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, 305-8573 Japan, ²Lebedev Physics Institute, Leninsky 53, Moscow, 117924, Russia, ³National Institute of Materials and Chemical Research, 1-1, Higashi, Tsukuba, Ibaraki, 305-8565 Japan, ⁴Electrotechnical Laboratory, 1-1-4, Umezono, Tsukuba, Ibaraki, 305-8565 Japan

(Received June 20, 1997; Accepted February 19, 1998)

We propose a new type of spatial light modulator using nonlinear organic polymer film as a phase modulation element. Using polymer poly-Disperse Red-19 Toluendiiso-cyanate, a more than 150:1 contrast ratio has been realized for electrical addressing in transverse geometry.

Key words: spatial light modulation, diffraction, electrooptic effect, electrooptic polymer

*parfenov@neur.lpi.msk.su

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