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Proceedings Paper

Synthesis of a zero-birefringence polymer by doping with a nano-size birefringent crystal
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Paper Abstract

We reported the "birefringent crystal dopant method" in order to compensate the orientational birefringence of polymers for optical devices. In this method, a birefringent inorganic crystal which has rod-like shape is homogeneously doped into a polymer and it compensates the orientational birefringence of the polymer. Strontium carbonate (SrCO3) was selected for this purpose because it has a large birefringence and a rod-like shape. SrCO3 was synthesized and doped into a poly(MMA/BzMA=78/22 (wt/wt)) (78/22 polymer) film and a cycloolefin polymer film and the films were drawn above glass transition temperature (Tg). The orientational birefringence of the drawn film at a wavelength of 633 nm was compensated and reduced by doping with SrCO3. Furthermore, we analyzed the transparency and thermostability of the films.

Paper Details

Date Published: 23 February 2006
PDF: 8 pages
Proc. SPIE 6117, Organic Photonic Materials and Devices VIII, 611716 (23 February 2006); doi: 10.1117/12.645379
Show Author Affiliations
Hisanori Ohkita, Japan Science and Technology Agency (Japan)
Akihiro Tagaya, Japan Science and Technology Agency (Japan)
Keio Univ. (Japan)
Yasuhiro Koike, Japan Science and Technology Agency (Japan)
Keio Univ. (Japan)

Published in SPIE Proceedings Vol. 6117:
Organic Photonic Materials and Devices VIII
James G. Grote; Francois Kajzar; Nakjoong Kim, Editor(s)

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