All-Fiber Coherent Arrays Combining High Power Lasers

被引：2
|
作者：
Wang, Baishi [1 ]
Mies, Eric [1 ]
Minden, Monica [2 ]
Sanchez, Anthony [3 ]
机构：
[1] Vytran LLC, 1400 Campus Dr, Morganville, NJ 07751 USA
[2] HRL Labs LLC, Malibu, CA 90265 USA
[3] US Air Force, Res Lab, Kirtland AFB, NM 87117 USA
来源：
FIBER LASERS VI: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2009年 / 7195卷
关键词：
Beam combining; fiber laser; laser array; all-fiber; coherent; passive; nonlinearity; coupler; simulation;
D O I：
10.1117/12.807839
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We experimentally studied the coherent beam combining characteristics of fiber laser arrays in all-fiber passive configurations using polarization maintaining fibers. In addition, we simulated the coherent performance by including fiber nonlinearity. The beam combining performance is affected by both optical feedback and the laser cavity length difference. In addition, Kramers-Kronig and n(2) induced nonlinearity plays an important role for the coherent phase locking. We describe the scalability of the coherent array to high power via scaling of laser power and fiber count. We show coherently combined output powers of 27.4 Watts and 12.2 Watts at 1083 nm in 2-laser and 4-laser arrays.
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收藏
页数：7
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