Theoretical evaluation of a continues-wave Ho3+:BaY2F8 laser with mid-infrared emission

Kepeng Rong; He Cai; Guofei An; Juhong Han; Hang Yu; Shunyan Wang; Qiang Yu; Peng Wu; Wei Zhang; Hongyuan Wang; You Wang

doi:10.1117/12.2295579

12 January 2018 Theoretical evaluation of a continues-wave Ho³⁺:BaY₂F₈ laser with mid-infrared emission

Kepeng Rong, He Cai, Guofei An, Juhong Han, Hang Yu, Shunyan Wang, Qiang Yu, Peng Wu, Wei Zhang, Hongyuan Wang, You Wang

Author Affiliations +

Proceedings Volume 10619, 2017 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications; 1061905 (2018) https://doi.org/10.1117/12.2295579
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

In this paper, we build a theoretical model to study a continues-wave (CW) Ho³⁺:BaY₂F₈ laser by considering both energy transfer up-conversion (ETU) and cross relaxation (CR) processes. The influences of the pump power, reflectance of an output coupler (OC), and crystal length on the output features are systematically analyzed for an end-pumped configuration, respectively. We also investigate how the processes of ETU and CR in the energy-level system affect the output of a Ho³⁺:BaY₂F₈ laser by use of the kinetic evaluation. The simulation results show that the optical-to-optical efficiency can be promoted by adjusting the parameters such as the reflectance of an output coupler, crystal length, and pump power. It has been theoretically demonstrated that the threshold of a Ho³⁺:BaY₂F₈ laser is very high for the lasing operation in a CW mode.

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Kepeng Rong, He Cai, Guofei An, Juhong Han, Hang Yu, Shunyan Wang, Qiang Yu, Peng Wu, Wei Zhang, Hongyuan Wang, and You Wang "Theoretical evaluation of a continues-wave Ho³⁺:BaY₂F₈ laser with mid-infrared emission", Proc. SPIE 10619, 2017 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications, 1061905 (12 January 2018); https://doi.org/10.1117/12.2295579

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