Fiber optic coupling of high power laser diode array
Chinese Optics Letters, Vol. 5, Issue S1, pp. S148-S150 (2007)
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Abstract
An optical fiber bundle array coupling module with high output power is proposed. The device integrates the coupling technique of the high power laser diode array (LDA) and the flat end-surfaces of fiber array. This module can efficiently couple the output laser of the LDA into the 19-fiber array through the flat-end surface. The fibers are ordinally fixed precisely on the V-grooves, and the fiber array has the same arrange period with the semiconductor laser units of LDA. A cylindrical fiber lens is fixed at the front of the LDA, which will greatly reduce the divergence of the laser beam and assure the laser beam to totally pass through into the end surface of fibers. High output power of 33.2 W of the fiber optic coupling of LDA is achieved, and maximal coupling efficiency is 84%.
© 2007 Chinese Optics Letters
OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3510) Lasers and laser optics : Lasers, fiber
Citation
Gang Niu, Zhongwei Fan, Peifeng Wang, Jianfeng Cui, Zhaohui Shi, and Jing Zhang, "Fiber optic coupling of high power laser diode array," Chin. Opt. Lett. 5, S148-S150 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-S1-S148
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