Spectral properties of a Tm:Ho:YAG laser in active mirror configuration |
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| Authors: | T Rothacher W Lüthy HP Weber |
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| Institution: | (1) Institute of Applied Physics, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland (Fax: +41-31/631-37-65, E-mail: thomas.rothacher@iap.unibe.ch), CH |
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| Abstract: | 3+ :Ho3+:YAG laser is operated in active mirror configuration. This laser is characterised by a rather thin crystal (3 mm thickness
in our experiment) and a very short resonator (about 3.2 mm). Therefore this laser is well suited for operation in a single
longitudinal mode. Single-frequency operation is demonstrated with and without an intracavity etalon. It is further shown
that single-frequency emission is reached with a stable cw emission. With a slight detuning of the outcoupling mirror, spiking
can be achieved, resulting in an emission on different lines. The assignment of the observed laser lines to the known transitions
between Stark sublevels of the 5I7 and the 5I8 level is discussed and compared with predictions in the literature.
Received: 2 December 1997 |
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| Keywords: | PACS: 42 55 Xi 42 60 By 42 60 Pk |
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