Parametric study of the performance and beam quality of cesium DPAL: experiment and modelling

Ilya Auslender; Eyal Yacoby; Boris D. Barmashenko; Salman Rosenwaks

doi:10.1117/12.2520429

3 January 2019 Parametric study of the performance and beam quality of cesium DPAL: experiment and modelling

Ilya Auslender, Eyal Yacoby, Boris D. Barmashenko, Salman Rosenwaks

Proceedings Volume 11042, XXII International Symposium on High Power Laser Systems and Applications; 110420F (2019) https://doi.org/10.1117/12.2520429
Event: XXII International Symposium on High Power Laser Systems and Applications, 2018, Frascati, Italy

Abstract

The beam quality and efficiency of diode-pumped alkali lasers are strongly dependent on parameters such as the pump beam geometry, the resonator configuration, the gain length and other features. In the present work we studied experimentally and theoretically the dependence of some of these parameters on the laser performance. An optical model of multi-transverse mode operation of alkali vapor lasers [Auslender et al, Opt. Express 25, 19767 (2017)], modified for the current experiments, is applied to the experimental results. The values of the laser power and M² predicted by the model are in good agreement with the experimental results for different shapes and powers of the pump beam.

Citation Download Citation

Ilya Auslender, Eyal Yacoby, Boris D. Barmashenko, and Salman Rosenwaks "Parametric study of the performance and beam quality of cesium DPAL: experiment and modelling", Proc. SPIE 11042, XXII International Symposium on High Power Laser Systems and Applications, 110420F (3 January 2019); https://doi.org/10.1117/12.2520429

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KEYWORDS

Resonators

Cesium

Lasers

Laser resonators

Modeling

Modes of laser operation

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