Highly efficient degenerate four-wave mixing with multipass geometries in a polymer laser dye saturable amplifier |
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| Authors: | Watanabe H Omatsu T Hirose T Hasegawa A Tateda M |
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| Institution: | Department of Information and Image Science, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8255, Japan. |
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| Abstract: | We demonstrate the use of highly efficient degenerate four-wave mixing for phase conjugation with multipass geometries in a polymer laser dye saturable amplifier. Phase-conjugate energy reflectivity of as much as 20,000% with a four-pass geometry in the longitudinally pumped polymer dye was obtained at 564 nm. |
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