Polarization property of light-gated phase conjugation in methyl-orange-doped polymer film

Tsutomu Sato; Haruka Narita; Kazuo Nakagawa; Hirofumi Fujiwara

doi:10.1117/12.427097

8 May 2001 Polarization property of light-gated phase conjugation in methyl-orange-doped polymer film

Tsutomu Sato, Haruka Narita, Kazuo Nakagawa, Hirofumi Fujiwara

Proceedings Volume 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001); (2001) https://doi.org/10.1117/12.427097
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '01), 2001, Yokohama, Japan

Abstract

The polarization state of light-gated phase conjugate beam in a methyl-orange doped polyvinyl alcohol film was investigated for various polarization configurations of pump and probe beams. Circularly polarized light emitted by an argon-ion laser at 515 nm was used as a gating beam for uniformly exciting randomly oriented methyl-orange dyes, and a krypton-ion laser light at 647 nm was used for degenerate four-wave mixing process. Experimental results agreed well with theoretical results, which obtained by assuming that the methyl-orange doped polyvinyl alcohol file is optically isotropic. From the comparison between experimental and theoretical results, we obtained the tensor of nonlinear optical susceptibility (chi) ₁₂₂₁equals0 at a wavelength of 647 nm in the presence of the gating light.

Citation Download Citation

Tsutomu Sato, Haruka Narita, Kazuo Nakagawa, and Hirofumi Fujiwara "Polarization property of light-gated phase conjugation in methyl-orange-doped polymer film", Proc. SPIE 4416, Optical Engineering for Sensing and Nanotechnology (ICOSN 2001), (8 May 2001); https://doi.org/10.1117/12.427097

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KEYWORDS

Polarization

Laser beam diagnostics

Phase conjugation

Absorption

Beam splitters

Molybdenum

Polymer thin films

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