Thermal lensing in Nd:GdVO4 laser with 912-nm diode pumping

Mohammad Nadimi; Tanant Waritanant; Arkady Major

doi:10.1117/12.2509046

7 March 2019 Thermal lensing in Nd:GdVO₄ laser with 912-nm diode pumping

Mohammad Nadimi, Tanant Waritanant, Arkady Major

Proceedings Volume 10896, Solid State Lasers XXVIII: Technology and Devices; 108961R (2019) https://doi.org/10.1117/12.2509046
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Thermal lensing effect in a Nd:GdVO₄ laser system operating at 1063 nm with in-band pumping at 912 nm was studied. The thermal lensing strength was experimentally measured and the determined focal power was as strong as 9 m^-1 at 11.3 W of output power. The sensitivity factor of the thermal lens was calculated to be as small as M = 0.503 m⁻¹/W for the pump spot size radius of ~197 μm. The present work indicates that in-band pumping at 912 nm can offer further power scaling opportunities for the Nd:GdVO₄ lasers due to the strongly reduced thermal lensing effect.

Citation Download Citation

Mohammad Nadimi, Tanant Waritanant, and Arkady Major "Thermal lensing in Nd:GdVO₄ laser with 912-nm diode pumping", Proc. SPIE 10896, Solid State Lasers XXVIII: Technology and Devices, 108961R (7 March 2019); https://doi.org/10.1117/12.2509046

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