Experimental investigation on coherent beam combination of a three-element fiber array based on target-in-the-loop technique

被引：8

作者：

Geng Chao ^{[1
,2
]}

Li Xin-Yang ^{[1
]}

Zhang Xiao-Jun ^{[1
]}

Rao Chang-Hui ^{[1
]}

机构：

[1] Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

ACTA PHYSICA SINICA | 2012年 / 61卷 / 03期

基金：

中国国家自然科学基金;

关键词：

fiber array; coherent beam combination; target-in-the-loop; adaptive fiber optics collimator; OPTICS;

D O I：

10.7498/aps.61.034204

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A kind of target-in-the-loop (TIL) technique which promises the coherent combination of multi-element laser beams in far field is experimentally demonstrated. The physical model of coherent beam combination (CBC) based on TIL is established. A kind of adaptive fiber optics collimator correcting piston and tip/tilt errors simultaneously is employed to compensate phase errors between beamlets. The CBC of a 3-element fiber array based on TIL is successfully achieved and a perfect effect of CBC is captured. In this paper, we present a reference for long-distance transmission of multi-element coherent beams in real atmospheric environment.

引用

页数：8

共 17 条

[1]

Basu S, 2005, P SOC PHOTO-OPT INS, V5895

[2]

Bourdon P, 2008, P SOC PHOTO-OPT INS, V6873

[3]

Bourdon P, 2009, P SOC PHOTO-OPT INS, V7195

[4]

Geng Chao, 2011, Infrared Laser Engineering, V40, P1682

[5] Coherent beam combination of an optical array using adaptive fiber optics collimators [J].

Geng, Chao ;

Li, Xinyang ;

Zhang, Xiaojun ;

Rao, Changhui .

OPTICS COMMUNICATIONS, 2011, 284 (24) :5531-5536

[6] Coherent beam combination of 1.08 kW fiber amplifier array using single frequency dithering technique [J].

Ma, Yanxing ;

Wang, Xiaolin ;

Leng, Jinyong ;

Xiao, Hu ;

Dong, Xiaolin ;

Zhu, Jiajian ;

Du, Wenbo ;

Zhou, Pu ;

Xu, Xiaojun ;

Si, Lei ;

Liu, Zejin ;

Zhao, Yijun .

OPTICS LETTERS, 2011, 36 (06) :951-953

[7] Beaconless stochastic parallel gradient descent laser beam control: numerical experiments [J].

Piatrou, Piotr ;

Roggemann, Michael .

APPLIED OPTICS, 2007, 46 (27) :6831-6842

[8] Self-synchronous and self-referenced coherent beam combination for large optical arrays [J].

Shay, Thomas M. ;

Benham, Vincent ;

Baker, Jeffrey T. ;

Sanchez, Anthony D. ;

Pilkington, D. ;

Lu, Chunte A. .

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 2007, 13 (03) :480-486

[9] Target-in-the-loop beam control: basic considerations for analysis and wave-front sensing [J].

Vorontsov, MA ;

Kolosov, V .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 2005, 22 (01) :126-141

[10] Target-in-the-loop adaptive optics: Wavefront control in strong speckle-modulation conditions [J].

Vorontsov, MA ;

Carhart, GW ;

Gowens, JW .

HIGH-RESOLUTION WAVEFRONT CONTROL: METHODS, DEVICES, AND APPLICATIONS IV, 2002, 4825 :67-73

← 1 2 →