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Beam quality M2 factor of the single-aperture coherent laser beam synthesis system is a major problem to be solved. Based on the definition of second-order moment, beam quality M2 factors of the coherently combined beam supposed by the basic model TEM00, TEM01and TEM10 are presented by some analytical expressions in this paper. And, the effects produced by the beam waist width, the propagation distance, the ratio of the two amplitudes and the distance between the two coherent sources on the beam quality M2 factor are numerically analyzed. Some results show that the beam quality M2 factor of the coherently combined beam is unchanged when the propagation distance parameter d1100. And the experiment is carried to verify some theories of the two TEM00 coherently combined beam.
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Keywords:
- coherently combined field /
- M2factor /
- analytical expression /
- experiments
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[14] Li J L, Zhu S F, Fu K X 2010 Acta Phys. Sin. 59 3192 (in Chinese) [李建龙, 朱世富, 傅克祥 2010 59 3192]
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[1] Nabors C D, 1994 Appl. Opt. 33 2284
[2] Fan T Y 2005 IEEE J. Sel. Top. Quantum. Electron. 11 567
[3] Zhou P, Liu Z, Xu X 2008 App. Opt. 47 3350
[4] Zhou P, Liu Z J, Xu X J Wang X L, Chen L 2008 Chins. Opt. Lett. 9 625
[5] Li Y Z, Qian L J, Lu D Q 2007 Opt. & Laser Tech. 39 957
[6] Dgoodno G D, Komine H, McNaught S J 2006 Opt. Lett. 31 1247
[7] Wang J M, Duan K L, Wang Y S 2008 Acta Physica Sinic 57 5627 (in Chinese) [王建明, 段开椋, 王屹山 2008 57 5627]
[8] Jeong Y, Sahu J K, Payne D N, Nilsson J 2004 Opt. Express 12 6088
[9] Li Z, Xue Y H, Zhou J, He B, Liu C, Qi Y F, Dong J X, Wei Y R, Lou Q H, Pan Z Y 2011 Chinese Journal of Lasers 4 0402 (in Chinese) [李震, 薛宇豪, 周军, 何兵, 刘驰, 漆云凤, 董景星, 魏运荣, 楼祺洪, 潘志勇 2011 中国激光 4 0402]
[10] Han K, Xu X J, Zhou P, Ma Y X, Wang X L, Liu Z J 2011 Acta Phys. Sin. 60 074206 (in Chinese) [韩凯, 许晓军, 周朴, 马阎星, 王小林, 刘泽金 2011 60 074206]
[11] Siegman A E 1990 D.A. Holmes, Edit, Pro. SPIE 1224 2
[12] Li B, Yan A M, Liu L R, Dai E W, Sun J F, Shen B L, Lv X Y, Wu Y P 2011 J. Opt. 055706-5
[13] Li J L, Tang S H, Zhu S F, Fu K X 2010 Acta Phys. Sin. 59 5467(in Chinese) [李建龙, 唐世红, 朱世富, 傅克祥 2010 59 5467]
[14] Li J L, Zhu S F, Fu K X 2010 Acta Phys. Sin. 59 3192 (in Chinese) [李建龙, 朱世富, 傅克祥 2010 59 3192]
[15] Li W, Feng GY, Huang N, Li G, Yang H M, Xie X D, Cheng J G, Zhou S H 2009 Acta Phys. Sin. 58 2461 (in Chinese) [李玮, 冯国英, 黄宇, 李刚, 杨火木, 谢旭东, 陈建国, 周寿桓 2009 58 2461]
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