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Proceedings Paper

Second harmonic generation in corona-poled polypeptides
Author(s): Thomas M. Cooper; Morley O. Stone; Keith A. Obermeier; Robert L. Crane; Bob L. Epling; Zbigniew Tokarski; Lalgudi V. Natarajan
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Paper Abstract

In order to develop polypeptide-based second order nonlinear optical materials, we have derivatized succinylated poly(l-lysine) with a spiropyran. Spin coated thin films (2 (mu) thickness) of this material on indium tin oxide-coated glass were corona-poled (6 X 105 V/m) under conditions of variable temperature. The degree of alignment and nonlinear optical properties were monitored by measurement of the intensity of second harmonic signal resulting from irradiation at 1064 nm. The dark-adapted polypeptide was in the spiropyran form. The second harmonic signal intensity was 20 times greater than that of the dark-adapted sample. The results demonstrate the feasibility of development of a light- activated nonlinear optical material.

Paper Details

Date Published: 27 April 1993
PDF: 9 pages
Proc. SPIE 1853, Organic and Biological Optoelectronics, (27 April 1993); doi: 10.1117/12.144059
Show Author Affiliations
Thomas M. Cooper, Air Force Wright Lab. (United States)
Morley O. Stone, Air Force Wright Lab. (United States)
Keith A. Obermeier, Air Force Wright Lab. (United States)
Robert L. Crane, Air Force Wright Lab. (United States)
Bob L. Epling, Science Applications International Corp. (United States)
Zbigniew Tokarski, Science Applications International Corp. (United States)
Lalgudi V. Natarajan, Science Applications International Corp. (United States)

Published in SPIE Proceedings Vol. 1853:
Organic and Biological Optoelectronics
Peter M. Rentzepis, Editor(s)

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