Enhanced laser performance through reduction of surface damage in Nd:YAG

Cai-Lin Wang; Kelvin G. Lynn; S. Tebaldi; Marc H. Weber; Kirsten Shafer; Russell B. Tjossem; Tia T. Williams; John Dougherty

doi:10.1117/12.478954

17 June 2003 Enhanced Laser Performance Through Reduction of Surface Damage in Nd:YAG

Cai-Lin Wang, Kelvin G. Lynn, S. Tebaldi, Marc H. Weber, Kirsten Shafer, Russell B. Tjossem, Tia T. Williams, John Dougherty

Author Affiliations +

Proceedings Volume 4968, Solid State Lasers XII; (2003) https://doi.org/10.1117/12.478954
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

We measured the resonator insertion losses, slope efficiencies and output power of six Nd doped Y₃Al₅O₁₂ (YAG)laser crystals with and without chemical etching. It was found that chemical etching lowered the insertion losses and increased the slope efficiency. Point defects were investigated by positron annihilation spectroscopy (PAS). PAS depth profiles showed that the etching efficiently removed near surface atomic-scale defects. The results suggested that chemical etching is an effective means to improve lasing properties of Nd:YAG crystals, reduce the thermal loading and increase the strength.

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Cai-Lin Wang, Kelvin G. Lynn, S. Tebaldi, Marc H. Weber, Kirsten Shafer, Russell B. Tjossem, Tia T. Williams, and John Dougherty "Enhanced Laser Performance Through Reduction of Surface Damage in Nd:YAG", Proc. SPIE 4968, Solid State Lasers XII, (17 June 2003); https://doi.org/10.1117/12.478954

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