Mutual injection locking and coherent beam combining of multiple Nd:YVO4 lasers

Qiang Wang; Song Han; Li Yan; P.-T. Ho; Mark Dubinskii; Gary L. Wood; Bahram Zandi

doi:10.1117/12.604024

1 June 2005 Mutual injection locking and coherent beam combining of multiple Nd:YVO₄ lasers

Qiang Wang, Song Han, Li Yan, P.-T. Ho, Mark Dubinskii, Gary L. Wood, Bahram Zandi

Proceedings Volume 5792, Laser Source and System Technology for Defense and Security; (2005) https://doi.org/10.1117/12.604024
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

We demonstrated mutual injection locking and coherent beam combining of three individual Nd:YVO₄ laser modules. A beam splitter couples three lasers as well as combines their outputs. In the free running state, the divergence of combined beams is large. Under mutual injection locking, the divergence of the combined beams becomes substantially smaller than that in the free-running state and is as small as that of the individual laser beam. Mutual injection locking was also realized without active stabilization with large individual laser cavity length difference and low individual laser Q-factor.

Citation Download Citation

Qiang Wang, Song Han, Li Yan, P.-T. Ho, Mark Dubinskii, Gary L. Wood, and Bahram Zandi "Mutual injection locking and coherent beam combining of multiple Nd:YVO₄ lasers", Proc. SPIE 5792, Laser Source and System Technology for Defense and Security, (1 June 2005); https://doi.org/10.1117/12.604024

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