Theoretical analysis of a Brillouin switch for amplifier decoupling and prepulse suppression in short-pulse high-power laser systems |
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| Authors: | K J Witte M A Greiner-Mothes |
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| Institution: | (1) Max-Planck-Institut für Quantenoptik, D-8046 Garching, Fed. Rep. Germany;(2) Present address: Phys. Institut, Techn. Universität München-Weihenstephan, Am Löwentor 3, D-8050 Freising, FR Germany |
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| Abstract: | A switch suited for high-power amplifier chains emitting nanosecond pulses is theoretically investigated. It is based on a two-step Brillouin backscattering process. Gases like N2 or SF6 at high pressure are used as the scattering medium. The transmission efficiency is about 50%. The limitation is mainly due to gas breakdown. The capability for amplifier decoupling and prepulse suppression is excellent. Strong pulse steepening favors the generation of ultra-short laser pulses. |
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| Keywords: | 42 60Gd 42 65 Es |
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