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Proceedings Paper

Linear and second-order nonlinear optical properties of novel photochromic materials
Author(s): Baruch Zinger; Pnina Schaer; Garry Berkovic; Guilia Meshulam; Zvi Kotler; Lev Shapiro; Royi Mazor; Vladimir Khodorkovsky
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Paper Abstract

We report on a new unique photochromic material which is based on a reversible formation - cleavage of a C-C bond. The bicyclic bindon derivative, 2 undergoes a photochemical and/or thermally induced ring opening to form the isomer 3. The form 3 presents a conjugated donor-acceptor system and exhibits a considerable second-order optical nonlinearity as found by the field induced SHG measurements. The photochromic conversion is also observed in the crystalline form indicated visually by a crystal red-to-green color change. We have studied the reversible ring opening - closure process in liquid and polymeric solutions. Optical and thermal switching and the NLO efficiency of these guest- host polymer are reported.

Paper Details

Date Published: 22 September 1997
PDF: 8 pages
Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); doi: 10.1117/12.284095
Show Author Affiliations
Baruch Zinger, Soreq NRC (Israel)
Pnina Schaer, Soreq NRC (Israel)
Garry Berkovic, Soreq NRC (Israel)
Guilia Meshulam, Soreq NRC (Israel)
Zvi Kotler, Soreq NRC (Israel)
Lev Shapiro, Ben-Gurion Univ. of the Negev (Israel)
Royi Mazor, Ben-Gurion Univ. of the Negev (Israel)
Vladimir Khodorkovsky, Ben-Gurion Univ. of the Negev (Israel)

Published in SPIE Proceedings Vol. 3135:
Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications
Werner F. Frank, Editor(s)

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