Nd:YAG slab laser partially end-pumped by diode laser stack

Yan Liao; Keming Du; Stephan Falter; Jian Zhang; Michael Quade; Peter Loosen; Reinhart Poprawe

doi:10.1117/12.281125

18 August 1997 Nd:YAG slab laser partially end-pumped by diode laser stack

Yan Liao, Keming Du, Stephan Falter, Jian Zhang, Michael Quade, Peter Loosen, Reinhart Poprawe

Proceedings Volume 3097, Lasers in Material Processing; (1997) https://doi.org/10.1117/12.281125
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

An efficient high power cw Nd:YAG slab laser, partially end pumped by diode laser stacks is described in this paper. With conventional stable resonator, the optical efficiency amounted to 44% and the slope efficiency 55%. The output beam with this resonator was rectangular and the beam quality asymmetric in two orthogonal planes. The symmetry of the beam quality was obtained by a step mirror beam shaping technique. By using a hybrid resonator, near diffraction limited beam quality in the unstable direction was obtained with an efficiency of 46%.

Citation Download Citation

Yan Liao, Keming Du, Stephan Falter, Jian Zhang, Michael Quade, Peter Loosen, and Reinhart Poprawe "Nd:YAG slab laser partially end-pumped by diode laser stack", Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); https://doi.org/10.1117/12.281125

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