Enhanced performance of a mutually pumped phase-conjugation setup using two photorefractive crystals |
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| Authors: | F Wang A Hermerschmidt P Pogany SX Dou HJ Eichler |
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| Institution: | Optisches Institut P1-1, Technische Universit?t Berlin, Strasse des 17. Juni 135, 10623, Berlin, Germany, DE
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| Abstract: | A mutually pumped phase-conjugator (MPPC) consisting of two photorefractive crystals is investigated experimentally at a wavelength
of about 807 nm. In addition to a Rh:BaTiO3 crystal, which is used in a modified bridge configuration for phase-conjugation, a Co:BaTiO3 crystal is used to amplify the phase-conjugate beam by wave-mixing. The phase-conjugate power is at least doubled compared
to that using only one crystal, and the beam quality of the phase-conjugate beam is distinctly improved. Moreover, the temporal
stability of the phase-conjugate output using two crystals is much higher than that using only one crystal.
Received: 7 December 2000 / Revised version: 12 January 2001 / Published online: 27 April 2001 |
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| Keywords: | PACS: 42 65 Hw 42 55 Px |
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