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Proceedings Paper

Polymer molecular environment effects of Disperse Red Vis-NIR absorption behavior
Author(s): Richard R. Barto; Curtis W. Frank; Susan P. Ermer; William W. Anderson; Sam-Shajing Sun; Shahin Maaref; Alex K.-Y. Jen; Jing Dong Luo; Michael Lee
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Paper Abstract

Spectral absorption behavior of Disperse Red-1 and Disperse Red-19 dyes incorporated into a series of polymers by covalent attachment, representing various chemical structures, is characterized by photothermal deflection spectroscopy. Of particular interest are the spectral characteristics of the red edge of the main dye electronic absorption peak, and the fine structure in the near-IR, dominated by overtones of fundamental C-H and O-H stretching modes. The spectral structure in these key regions can be influenced by inter- and intramolecular interactions, or conformational or configurational changes in the dye. The NIR structure, in turn, will dictate absorption loss in optical devices prepared from these materials at key transmission wavelengths (1.3 and 1.55 um) for waveguide devices. A well characterized dye-polymer system, DR1-PMMA, is compared with two other polymer systems. Differences in spectral absorption behavior is assessed in terms of polymer host structure and bonding environment.

Paper Details

Date Published: 11 November 2002
PDF: 13 pages
Proc. SPIE 4823, Photonics for Space Environments VIII, (11 November 2002); doi: 10.1117/12.451460
Show Author Affiliations
Richard R. Barto, Stanford University (United States)
Lockheed Martin Advanced Technology Ctr. (United States)
Curtis W. Frank, Stanford University (United States)
Susan P. Ermer, Lockheed Martin Advanced Technology Ctr. (United States)
William W. Anderson, Lockheed Martin Advanced Technology Ctr. (United States)
Sam-Shajing Sun, Norfolk State Univ. (United States)
Shahin Maaref, Norfolk State Univ. (United States)
Alex K.-Y. Jen, Univ. of Washington (United States)
Jing Dong Luo, Univ. of Washington (United States)
Michael Lee, Research and Development Labs. (United States)

Published in SPIE Proceedings Vol. 4823:
Photonics for Space Environments VIII
Edward W. Taylor, Editor(s)

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