Multi-wavelength holographic storage in PMMA film containing spirooxazines

Shencheng Fu; Shiyu Sun; Xintong Zhang; Yichun Liu

doi:10.1117/12.2021088

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24 January 2013 Multi-wavelength holographic storage in PMMA film containing spirooxazines

Shencheng Fu, Shiyu Sun, Xintong Zhang, Yichun Liu

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Proceedings Volume 8782, 2012 International Workshop on Information Storage and Ninth International Symposium on Optical Storage; 87820C (2013) https://doi.org/10.1117/12.2021088
Event: 2012 International Workshop on Information Data Storage and Ninth International Symposium on Optical Storage, 2012, Shanghai, China

Abstract

Holographic gratings were recorded in spirooxazine doped PMMA films by blue-violet laser (405nm), Nd:YAG laser (532nm) and He-Ne laser (632.8nm), respectively. It was found that the photo-dynamics of the holographic grating was dependent on recording wavelength for the photochromic characteristics of spirooxazines. A theoretical description of orientation and isomerization gratings agrees well with the experimental results. It was also found that a pure isomerization grating is formed by two interferential 405nm beams while a mixed grating consisting of isomerization and orientation components is formed by the visible interferential beams (532nm or 632.8nm). Due to the long life of the isomerization gratings, the holographic interference fringes with different periods were clearly observed by Confocal Laser Scanning Microscope.

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Shencheng Fu, Shiyu Sun, Xintong Zhang, and Yichun Liu "Multi-wavelength holographic storage in PMMA film containing spirooxazines", Proc. SPIE 8782, 2012 International Workshop on Information Storage and Ninth International Symposium on Optical Storage, 87820C (24 January 2013); https://doi.org/10.1117/12.2021088

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