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26 April 2019 Highly efficient, cryogenically cooled Yb:YAG q-switch laser based on a gain modulated unstable resonator design
Jörg Körner, Sanin Zulić, Antonio Lucianetti, Danijela Rostohar, Tomáš Mocek, Joachim Hein, Malte C. Kaluza
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Proceedings Volume 11033, High-Power, High-Energy, and High-Intensity Laser Technology IV; 1103307 (2019) https://doi.org/10.1117/12.2522118
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic
Abstract
We present a novel approach to combine diode-pumped, moderately low-gain media with the advantages of an unstable cavity. To this end, we propose to utilize a spatially tailored gain profile in the active medium instead of using a graded reflectivity mirror to provide an eeffective shaping mechanism for the intra-cavity intensity distribution. The required gain profile can be easily generated with a state-of-the-art homogenized laser diode pump beam in an end-pumped configuration.
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Jörg Körner, Sanin Zulić, Antonio Lucianetti, Danijela Rostohar, Tomáš Mocek, Joachim Hein, and Malte C. Kaluza "Highly efficient, cryogenically cooled Yb:YAG q-switch laser based on a gain modulated unstable resonator design", Proc. SPIE 11033, High-Power, High-Energy, and High-Intensity Laser Technology IV, 1103307 (26 April 2019); https://doi.org/10.1117/12.2522118
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KEYWORDS
Q switching
Laser resonators
Q switched lasers
Resonators
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