14 December 2005 Phase locking of laser array
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Proceedings Volume 6028, ICO20: Lasers and Laser Technologies; 602803 (2005) https://doi.org/10.1117/12.667115
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
In this paper, we discussed different mechanisms which are proved to ensure phase locking in a laser array. We also reported the phase locking in solid-state (crystal) laser array and fiber laser array by using the self-imaging confocal resonator which provides high feedback efficiency, quite insensitive to power variations among the pump beams, simply modal profile and also can achieve phase locking passively. A passive approach is to utilize the process of self-adjustment in lasing frequency to adapt to changes in the optical path lengths. The phase-locked mode is highly stable despite the phase variations in the individual elements caused by thermal and mechanical effects.
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Yi Zhou, Liping Liu, Fanting Kong, Y. C. Chen, Qingjun Peng, Zhipei Sun, Zuyan Xu, Yisan Wang, Kang Li, Wei Zhao, Kotik K. Lee, "Phase locking of laser array", Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 602803 (14 December 2005); doi: 10.1117/12.667115; https://doi.org/10.1117/12.667115
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