Paper
3 June 2002 Holographic recording on azo-polymer film
Kenji Harada, Toyohiko Yatagai
Author Affiliations +
Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469286
Event: Electronic Imaging, 2002, San Jose, California, United States
Abstract
Surface relief holograms are fabricated by means of irradiation of laser interference patterns. The diffraction efficiency and the surface relief depth depend on the writing energy and the polarization of the writing laser beam. This structure is very stable at temperatures under glass transition temperature Tg and can be erased by heating above Tg. We proposed a new technique to control the surface relief structure. The electric charge was deposited on the surface relief grating in a corona- depositing poling setup in an oven. The first-order diffraction efficiency measured before and after corona discharge increased from about 0.24 percent to about 28 percent. This diffraction efficiency increase is mainly caused by the increase of the relief depth caused by the electric charge. The relief depth is increased form 20 nm to 350 nm by corona charging.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenji Harada and Toyohiko Yatagai "Holographic recording on azo-polymer film", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469286
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KEYWORDS
Diffraction

Holograms

Diffraction gratings

Polymers

Polymer thin films

3D image reconstruction

Electrodes

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