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7 October 2019 Measuring and modelling the beam quality in cesium DPALs
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Abstract
We report on recent experimental and theoretical studies of cesium laser, where we focused on the beam propagation factor M2 in flowing-gas Cs DPALs with stable optical resonators and of its dependence on the resonator geometry. The measured results were modeled by multi-transverse-mode model [Auslender et al., Opt. Express 25, 19767 (2017)]. Conditions for substantial improvement of the output laser beam quality, reducing M2 to close to unity, are found. In particular we show how changing the length of the resonator, and/or the radius of curvature of the high reflection mirror, leaving all other parameters of the laser unchanged, makes it possible to control the beam quality.
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© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ilya Auslender, Eyal Yacoby, Boris D. Barmashenko, and Salman Rosenwaks "Measuring and modelling the beam quality in cesium DPALs", Proc. SPIE 11162, High Power Lasers: Technology and Systems, Platforms, Effects III, 111620B (7 October 2019); https://doi.org/10.1117/12.2533295
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