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The relationship between boresight error and returning signal from the illuminated target is studied theoretically. The operating principle of a new-style adaptive-optics device, which is named adaptive fiber-optics collimator with the abilities to correct both laser beam transmission error and pointing error, is introduced. The laser beam pointing experimental setup with a laser propagation distance of 200 m through horizontal atmosphere is established. Based on returning signals from the illuminated two-dimensional and three-dimensional targets, the beam pointing closed loop using stochastic parallel gradient descent algorithm (SPGD) algorithm is achieved under different initial boresight errors. The experimental results indicate that the evaluation parameters of the residual boresight errors are less than 6% and 10.8% for the two-dimensional target and three-dimensional target, respectively, which are within the tolerance of theoretical analysis. Finally, the influence of SPGD parameter on moving-target pointing is analyzed.
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Keywords:
- laser beam pointing /
- boresight error /
- adaptive fiber-optics collimator /
- stochastic parallel gradient descent algorithm
[1] Gudimetla V S R, Riker J F 2011 Appl. Opt. 50 1124
[2] Lukesh G, Chandler S, Voelz D 2000 Appl. Opt. 39 1359
[3] Chandler S, Lukesh G, Voelz D Basu S, Sjogren J 2004 Proc. SPIE 5552 105
[4] Basu S, Voelz D, Chandler S, Lukesh G, Sjogren J 2004 Proc. SPIE 5552 114
[5] Chandler S, Lukesh G 2006 Proc. SPIE 6160 61600M
[6] Borah D K, Voelz D, Basu S 2006 Appl. Opt. 45 2504
[7] Borah D K, Voelz D 2007 Appl. Opt. 46 6010
[8] Gudimetla V S R, Riker J F 2007 Appl. Opt. 46 5608
[9] Zhang Y, Li X Y, Rao C H 2011 Chinese Journal of Lasers 38 0402011 (in Chinese) [张宇, 李新阳, 饶长辉 2011 中国激光 38 0402011]
[10] Zhou L, Ren G, Tan Y, Tang T, Yu W 2012 Acta Optica Sin. 32 1201003 (in Chinese) [周磊, 任戈, 谭毅, 唐涛, 于伟 2012 光学学报 32 1201003]
[11] Beresnev L A, Vorontsov M A 2005 Proc. SPIE 5895 58950R
[12] Geng C, Li X Y, Zhang X J, Rao C H 2011 Opt. Commun. 284 5531
[13] Geng C, Tan Y, Mou J B, Li X Y 2013 Acta Phys. Sin. 62 024206 (in Chinese) [耿超, 谭毅, 牟进博, 李新阳 2013 62 024206]
[14] Geng C, Zhao B Y, Zhang E T, Luo W, Tan Y, Zhu Y G, Yang H N, Mou J B, Li X Y, Duan K L, Zhao W 2013 IEEE Photon. Technol. Lett. 25 1286
[15] Geng C, Luo W, Tan Y, Liu H M, Mou J B, Li X Y 2013 Opt. Express 21 25045
[16] Geng C, Luo W, Tan Y, Liu H M, Mou J B, Li X Y 2013 Acta Phys. Sin. 62 224202 (in Chinese) [耿超, 罗文, 谭毅, 刘红梅, 牟进博, 李新阳 2013 62 224202]
[17] Luo W, Geng C, Wu Y Y, Tan Y, Luo Q, Liu H M, Li X Y 2014 Chin. Phys. B 23 014207
[18] L B D 2003 Laser Optics (Beijing: Higher Education Press) p11 (in Chinese) [吕百达2003 激光光学(北京: 高等教育出版社)第11页]
[19] Vorontsov M A, Sivokon V P 1998 J. Opt. Soc. Am. A 15 2745
[20] Vorontsov M A, Carhart G W 2006 J. Opt. Soc. Am. A 23 2613
[21] Zhang Y 2012 Ph. D. Dissertation (Chengdu: Institute of Optics and Electronics, Chinese Academy of Sciences) (in Chinese) [张宇2012博士学位论文(成都: 中国科学院光电技术研究所)]
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[1] Gudimetla V S R, Riker J F 2011 Appl. Opt. 50 1124
[2] Lukesh G, Chandler S, Voelz D 2000 Appl. Opt. 39 1359
[3] Chandler S, Lukesh G, Voelz D Basu S, Sjogren J 2004 Proc. SPIE 5552 105
[4] Basu S, Voelz D, Chandler S, Lukesh G, Sjogren J 2004 Proc. SPIE 5552 114
[5] Chandler S, Lukesh G 2006 Proc. SPIE 6160 61600M
[6] Borah D K, Voelz D, Basu S 2006 Appl. Opt. 45 2504
[7] Borah D K, Voelz D 2007 Appl. Opt. 46 6010
[8] Gudimetla V S R, Riker J F 2007 Appl. Opt. 46 5608
[9] Zhang Y, Li X Y, Rao C H 2011 Chinese Journal of Lasers 38 0402011 (in Chinese) [张宇, 李新阳, 饶长辉 2011 中国激光 38 0402011]
[10] Zhou L, Ren G, Tan Y, Tang T, Yu W 2012 Acta Optica Sin. 32 1201003 (in Chinese) [周磊, 任戈, 谭毅, 唐涛, 于伟 2012 光学学报 32 1201003]
[11] Beresnev L A, Vorontsov M A 2005 Proc. SPIE 5895 58950R
[12] Geng C, Li X Y, Zhang X J, Rao C H 2011 Opt. Commun. 284 5531
[13] Geng C, Tan Y, Mou J B, Li X Y 2013 Acta Phys. Sin. 62 024206 (in Chinese) [耿超, 谭毅, 牟进博, 李新阳 2013 62 024206]
[14] Geng C, Zhao B Y, Zhang E T, Luo W, Tan Y, Zhu Y G, Yang H N, Mou J B, Li X Y, Duan K L, Zhao W 2013 IEEE Photon. Technol. Lett. 25 1286
[15] Geng C, Luo W, Tan Y, Liu H M, Mou J B, Li X Y 2013 Opt. Express 21 25045
[16] Geng C, Luo W, Tan Y, Liu H M, Mou J B, Li X Y 2013 Acta Phys. Sin. 62 224202 (in Chinese) [耿超, 罗文, 谭毅, 刘红梅, 牟进博, 李新阳 2013 62 224202]
[17] Luo W, Geng C, Wu Y Y, Tan Y, Luo Q, Liu H M, Li X Y 2014 Chin. Phys. B 23 014207
[18] L B D 2003 Laser Optics (Beijing: Higher Education Press) p11 (in Chinese) [吕百达2003 激光光学(北京: 高等教育出版社)第11页]
[19] Vorontsov M A, Sivokon V P 1998 J. Opt. Soc. Am. A 15 2745
[20] Vorontsov M A, Carhart G W 2006 J. Opt. Soc. Am. A 23 2613
[21] Zhang Y 2012 Ph. D. Dissertation (Chengdu: Institute of Optics and Electronics, Chinese Academy of Sciences) (in Chinese) [张宇2012博士学位论文(成都: 中国科学院光电技术研究所)]
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