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Proceedings Paper

Second harmonic generation in binary systems of pi-conjugated compounds
Author(s): Katsuya Wakita; Nobuo Sonoda; Tokihiko Shimizu; Satoshi Kaida
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Paper Abstract

A large Second Harmonic Generation (SHG) intensity which was 60 times as large as that of urea was observed in p-nitroaniline (PNA) I N-(p--nitrophenyl)ethylenediamine (NPEN) system. Results of X-ray and Scanning Electron Microscopy (SEM) analysis showed the new crystal structure. And this SHG intensity was related to cooling rate for solidification. The optimum cooling rate was in the range of 2°C/sec to 10°C/sec. Moreover, results of X-ray analysis and SHG measurements of similar binary systems showed that hydrogen bond and unique non- planar structure of NPEN played an important role for SHG and its stability.

Paper Details

Date Published: 1 December 1990
PDF: 10 pages
Proc. SPIE 1337, Nonlinear Optical Properties of Organic Materials III, (1 December 1990); doi: 10.1117/12.22958
Show Author Affiliations
Katsuya Wakita, Matsushita Electric Industrial Co. Ltd. (Japan)
Nobuo Sonoda, Matsushita Electric Industrial Co., Ltd. (Japan)
Tokihiko Shimizu, Matsushita Electric Industrial Co., Ltd. (Japan)
Satoshi Kaida, Matsushita Technoresearch, Inc. (Japan)

Published in SPIE Proceedings Vol. 1337:
Nonlinear Optical Properties of Organic Materials III
Garo Khanarian, Editor(s)

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