Thermal lensing of high-power edge-pumped YAG slab lasers with undoped edges and Brewster ends

Bin Chen; Ying Chen; Jed Simmons; Tu-Yuan Chung; Michael Bass

doi:10.1117/12.611561

27 April 2005 Thermal lensing of high-power edge-pumped YAG slab lasers with undoped edges and Brewster ends

Bin Chen, Ying Chen, Jed Simmons, Tu-Yuan Chung, Michael Bass

Proceedings Volume 5707, Solid State Lasers XIV: Technology and Devices; (2005) https://doi.org/10.1117/12.611561
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

In this paper we present calculations of the effects on thermal lensing of bonding undoped host crystal to the ends and edges of edge-pumped slab lasers. Using ray tracing and finite element analysis we simulate the distribution of absorbed pump power, 3D temperature, stress, and surface displacements. We numerically calculate the induced lensing due to thermal and stress gradients, and deformation induced end effects. In slabs with undoped material bonded to the edges through which pump light enters, the induced lensing has an "m"-shaped profile while undoped Brewster ends reduce deformation induced lensing.

Citation Download Citation

Bin Chen, Ying Chen, Jed Simmons, Tu-Yuan Chung, and Michael Bass "Thermal lensing of high-power edge-pumped YAG slab lasers with undoped edges and Brewster ends", Proc. SPIE 5707, Solid State Lasers XIV: Technology and Devices, (27 April 2005); https://doi.org/10.1117/12.611561

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