Regular paper

[OPTICAL REVIEW Vol. 12, No. 2 (2005) 130-134]
© 2005 The Optical Society of Japan

Application of Surface Relief Hologram Using Azobenzene Containing Polymer Film

Kenji HARADA, Masahide ITOH¹, Toyohiko YATAGAI¹ and Shun-ichi KAMEMARU

Department of Computer Science, Kitami Institute of Technology, 165 Koen-cyo, Kitami 090-8507, Japan
¹Institute of Applied Physics, University of Tsukuba, 1-1 Tennodai, Tsukuba 305-8573, Japan

(Received September 30, 2004; Accepted January 21, 2005)

Surface relief holograms are fabricated by irradiation of laser interference patterns on an azobenzene polymer film. The hologram needs no post-treatment, and can be erased by heating the films to above its glass transition temperature. Rewritable Fresnel holograms are fabricated on azo-polymer film. Replication of the surface relief hologram is also demonstrated. An application for business cards is considered.

Key words: rewritable hologram, azo-polymer, photoinduced surface deformation, surface relief grating, replication

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