利用全光纤结构Michelson腔实现两路高功率双包层光纤激光器相干合成

朱亚东; 肖虎; 王小林; 马阎星; 周朴

doi:10.7498/aps.61.054210

摘要

Michelson腔技术是实现激光相干合成的有效方案. 利用Michelson腔技术, 实现了全光纤结构下的两路光纤激光器的相干合成, 获得了功率为11.75 W, 效率为95.76%的相干输出. 实验研究了相干合成效率与激光腔长差的关系以及抽运对称性对相干合成效率的影响. 实验表明相干合成效率极易受激光腔长差的影响, 不同腔长差下相干合成效率差异可达18%以上, 且存在最佳腔长差; 抽运对称性对相干合成效率的影响在2%以内.

关键词:

Abstract

Michelson cavity technique provides an effective solution for coherent beam combination. In this paper, coherent beam combination of two fiber lasers by using an all-fiber Michelson cavity technique is demonstrated, and 11.75 W coherent output power with a coherent combination efficiency of 95.76% is obtained. The influences of the relation of coherent combination efficiency to laser cavity length difference, and the pump symmetry on coherent combination efficiency are studied experimentally. Experimental results show that the coherent combination efficiency is highly sensitive to the influence of laser cavity length difference, that the difference in combinination efficiency, induced by laser cavity length difference, can be as large as 18%, and that there is an optimal cavity length difference. The maximal influence of pump symmetry on coherent combination efficiency is within 2%, which can be neglected.

Keywords:

作者及机构信息

1.
国防科学技术大学光电科学与工程学院, 长沙 410073

Authors and contacts

1.
College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China

参考文献

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施引文献

[1]	Xiao R, Hou J, Jiang Z F 2006 Acta Phys. Sin. 55 6464 (in Chinese) [肖瑞, 侯静, 姜宗福 2006 物理学报 55 6464]
[2]	Vorontsov M A, Carhart GW, Ricklin J C 1997 Opt Lett. 22 907
[3]	Liu L, Vorontsov M A 2005 Proc. SPIE 5895 58950P-1
[4]	Shay T M, Benham V 2004 Proc. SPIE 5550 313
[5]	Lhermite J, Suran E, Kermen V, Louradour F, Desfarges-Berthelemot A, Barthelemy A 2010 Opt. Express 18 4783
[6]	Aurou S, Kermene V, Desfarges-Berthelemot A, Barthelemy A2009 Opt. Express 17 17694
[7]	Lei B, Wang L, Feng Y 2011 High Power and Laser Beams 192007 (in Chinese) [雷兵, 王玲, 冯莹 2011 强激光与粒子束 19 2007
[8]	Sabourdy D, Kermene V, Desfarges-Berthelemot A, Lefort L,Barthelemy A, Even P, Pureur D 2003 Opt. Express 11 87
[9]	Morel J, Woodtli A, Dandliker R 1993 Opt. Lett. 18 1520
[10]	Corcoran C J, Durville F 2005 Appl. Phys. Lett. 86 201118
[11]	Chen Z L, Hou J, Zhou P, Liu L, Jiang Z F 2007 Acta Phys. Sin.56 7046 (in Chinese) [陈子伦, 侯静, 周朴, 刘亮, 姜宗福 2007 物理学报 56 7046]
[12]	Peng Q J, Sun Z, Chen Y, Guo L, Bo Y, Yang X, Xu Z 2005 Opt.Lett. 30 1485
[13]	Kozlov V A, Hemandez-Cordero J, Morse T F 1999 Opt. Lett. 241814
[14]	Shirakawa A, Saitou T, Ueda K 2002 Opt. Express 10 1667
[15]	Saboury D, Desfarges-Berthelemot A, Kermene V, Berthelemy A2004 IEEE J. Selected Topics in Quantum Electronics 10 1033
[16]	Fridman M, Eckhouse V, Davidson N, Friesem A A 2007 Opt.Lett. 32 790
[17]	Wang B S, Mies E, Minden M, Sanchez A 2010 Opt. Lett. 34 863
[18]	Peng Q J, Cui D F, Xu Z Y 2006 SPIE 6344 63441Y-1
[19]	Wang J M, Duan K L, Wang Y S 2008 Acta Phys. Sin. 57 5627(in Chinese) [王建明, 段开椋, 王屹山 2008 物理学报 57 5627]
[20]	Liu Y, Cheng Y, Xu L X, Zheng R, Wang X B, Wang H S, Lu CY, Sun B 2008 Acta Phys. Sin. 58 3929 (in Chinese) [刘洋,程勇, 许立新, 郑睿, 王小兵, 王会升, 卢常勇, 孙斌 2008 物理学报 58 3929]
[21]	Jia X J, Liu F N, Fu S G, Zhang J, Liu Y G, Guo Z C, Yuan S Z,Kai G Y, Dong X Y 2007 Opt. Lett. 3 107
[22]	Lei B, Feng Y, Liu Z J 2008 Acta Phys. Sin. 57 6419 (in Chinese) [雷兵, 冯莹, 刘泽金 2008 物理学报 57 6419]
[23]	Taylor L R, Feng Y, Calia D B 2010 Opt. Express 18 8540
[24]	Bloom G, Larat C, Lallier E, Carras M, Marcadet X 2010 Opt.Lett. 35 1917

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