Optical characterization of diode side-pumped active elements

Jan Karol Jabczynski; Jacek Kwiatkowski; Waldemar Zendzian

doi:10.1117/12.545154

21 November 2003 Optical characterization of diode side pumped active elements

Jan Karol Jabczynski, Jacek Kwiatkowski, Waldemar Zendzian

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Proceedings Volume 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; (2003) https://doi.org/10.1117/12.545154
Event: 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of contemporary Optics, 2002, Krzyzowa, Poland

Abstract

Numerical model of side pumped gain elements of rod or slab shape enabling estimation of overlapping efficiency and threshold was developed. This model was applied for analysis and optimization of laser heads side pumped by single diode bar. The diode side pumped lasers heads for rod and slab active elements were elaborated and characterized under real pumping conditions with 40W diode bar. It was shown in experiments that the optical performance for both types of heads is delimited by transversal, asymmetrical thermal gradients resulting in high level of depolarization and diffraction losses. The fundamental mode limit is about 20 W per 1 cm for a head side pumped by single diode bar.

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Jan Karol Jabczynski, Jan Karol Jabczynski, Jacek Kwiatkowski, Jacek Kwiatkowski, Waldemar Zendzian, Waldemar Zendzian, "Optical characterization of diode side pumped active elements", Proc. SPIE 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, (21 November 2003); doi: 10.1117/12.545154; https://doi.org/10.1117/12.545154

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