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

Hisanori Ohkita; Akihiro Tagaya; Yasuhiro Koike

doi:10.1117/12.645379

23 February 2006 Synthesis of a zero-birefringence polymer by doping with a nano-size birefringent crystal

Hisanori Ohkita, Akihiro Tagaya, Yasuhiro Koike

Author Affiliations +

Proceedings Volume 6117, Organic Photonic Materials and Devices VIII; 611716 (2006) https://doi.org/10.1117/12.645379
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

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 (T_g). 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.

Citation Download Citation

Hisanori Ohkita, Akihiro Tagaya, and Yasuhiro Koike "Synthesis of a zero-birefringence polymer by doping with a nano-size birefringent crystal", Proc. SPIE 6117, Organic Photonic Materials and Devices VIII, 611716 (23 February 2006); https://doi.org/10.1117/12.645379

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