The Change in Refractive Index and the Formation of Birefringence during Photoisomerization of Photochromic Dyes

Shin'ya Morino; Kazuyuki Horie; Takashi Yamashita

doi:10.1364/SHBS.1994.WD42

Spectral Hole-Burning and Related Spectroscopies: Science and Applications
Technical Digest Series (Optica Publishing Group, 1994),
paper WD42
•https://doi.org/10.1364/SHBS.1994.WD42

The Change in Refractive Index and the Formation of Birefringence during Photoisomerization of Photochromic Dyes

Shin'ya Morino, Kazuyuki Horie, and Takashi Yamashita

Spectral Hole-Burning and Related Spectroscopies: Science and Applications 1994

Tokyo Japan
24–26 August 1994
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S. 'y. Morino, K. Horie, and T. Yamashita, "The Change in Refractive Index and the Formation of Birefringence during Photoisomerization of Photochromic Dyes," in Spectral Hole-Burning and Related Spectroscopies: Science and Applications, Technical Digest Series (Optica Publishing Group, 1994), paper WD42.

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Abstract

The optical switching devices in optical computing systems usually use electro-, acousto- optic and nonlinear optical effects. Photochemical reactions can be potentially used as one of the principles for photo-optical switching devices, because they change the electric structure of the system.¹ In this study, the change in refractive indices of PMMA films containing DAAB (p- dimethylaminoazobenzene) during photoisomerization and the birefringence during polarized-light induced photoisomerization were measured, and the possibility as a photo-optical controlling material was examined.

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