Development of a liquid crystal polarization control plate aligned by photoisomerization of azo dye

Kouji Tsubakimoto; Keiichi Sueda; Noriaki Miyanaga; Takahisa Jitsuno; Masahiro Nakatsuka

doi:10.1117/12.294359

8 December 1997 Development of a liquid crystal polarization control plate aligned by photoisomerization of azo dye

Kouji Tsubakimoto, Keiichi Sueda, Noriaki Miyanaga, Takahisa Jitsuno, Masahiro Nakatsuka

Proceedings Volume 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference; (1997) https://doi.org/10.1117/12.294359
Event: Second International Conference on Solid State Lasers for Application to ICF, 1996, Paris, France

Abstract

We demonstrate the beam smoothing by polarization control plate (PCP) produced by liquid crystal. The liquid crystal PCP using photoisomerization of the azo-dye was developed. The PCP is constructed by 14 X 14 array of 2 mm X 2 mm square element. The damage threshold is about 12 J/cm² (532 nm, 0.9 ns). The PCP suppressed the speckles produced by a random phase plate. The contrast of the speckles is reduced at 30% by a PCP.

Citation Download Citation

Kouji Tsubakimoto, Keiichi Sueda, Noriaki Miyanaga, Takahisa Jitsuno, and Masahiro Nakatsuka "Development of a liquid crystal polarization control plate aligned by photoisomerization of azo dye", Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); https://doi.org/10.1117/12.294359

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