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Investigation of a Cr: YAG passive Q-switch in CW pumped Nd: YAG lasers |
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| Authors: | T Dascalu G Philipps H Weber |
| Institution: | aTD is at the Institute of Atomic Physics, PO Box MG6, Magurele, 76900, Bucharest, Romania;bTD is a guest scientist at the Optisches Institut, Technical University Berlin Germany;cGP is at the Laser Medizin und Technologie Institut Berlin, Strasse des 17 Juni 135, W-1000 Berlin 12, Berlin, Germany;dHW is at the Optisches Institut Technical University Berlin, Strasse des 17 Juni 135, W-1000 Berlin 12, Berlin, Germany |
| Abstract: | This work describes the experimental results obtained on the Cr4+:YAG crystal used as a passive Q-switch in Nd: YAG lasers. In addition, the combination of a Cr4+: YAG passive Q-switch with an acousto-optical Q-switch operating simultaneously in one cavity was investigated. More than 180 W average output in the passive Q-switched mode was obtained with the C4+: YAG crystal. The pulse-to-pulse stability was better than 1%. A mode selection occurred when the laser system operated near threshold. |
| Keywords: | Cr4+: YAG passive Q-switches lasers (Nd: YAG) acousto-optical Q-switches |
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