Acousto-optic mode-locker for Nd:Lasers using paratellurite |
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| Authors: | H J Eichler A Barócsi L Jakab B Liu |
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| Institution: | (1) Optisches Institut, Technische Universität Berlin, Sekr. P11, Strasse des 17. Juni 135, W-1000 Berlin 12, Germany;(2) Department of Atomic Physics, Institute of Physics, Technical University of Budapest, Budafoki 8, P.O. Box 1521, H-1111 Budapest, Hungary |
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| Abstract: | The design of an acousto-optic modulator using paratellurite requiring only low driving power is described. Because of the high figure of merit a high modulation index can be achieved. To avoid an intermediate transmission peak the modulator should not be operated in the Bragg-regime but rather in the transition regime. The time dependent transmission for this regime is calculated as a function of the material parameters. Experimentally, modulation indices up to 10 are obtained. Using such a TeO2 mode-locker a pulsed Nd:Cr:GSGG laser delivered pulses down to 70 ps. |
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| Keywords: | 78 20 Hp 42 60 Fc |
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