液晶空间光调制器产生可调三光学势阱

周巧巧; 徐淑武; 陆俊发; 周琦; 纪宪明; 印建平

doi:10.7498/aps.62.153701

摘要

提出了产生三光学势阱的新方案, 在该方案中用液晶空间光调制器制作相位型闪耀光栅, 单色相干光照明, 产生按等边三角形分布的三个光学势阱, 三个光阱光强大小分布相同, 调节空间光调制器的相位分布, 可以改变光阱的相对位置, 实现三光阱到单个光阱、两光阱合并为一个光阱等演变及其反向演变, 调节过程简单、方便. 根据现有空间光调制器性能和尺寸, 模拟设计光栅, 计算三光阱的光强分布和调控过程中光强的变化, 结果表明: 用一般功率的激光照明, 能够得到具有较大峰值光强和较高光强梯度的可调三光阱, 在原子和分子光学实验研究中有多种重要的应用.

关键词:

Abstract

A new scheme of generating the controllable triple-well optical trap is proposed, in which a liquid-crystal spatial light modulator (SLM) is used to fabricate the phase-type blazed grating and be illuminated with coherent monochromatic light. Three optical wells, each of which has the same intensity distribution, can be formed with relative position of the distribution of an equilateral triangle. The relative positions of the optical wells can be changed by simply and conveniently adjusting the phase distribution of the SLM to realize the evolution and reverse evolution from triple or dual wells to single well. The phase grating is designed by simulation according to the technical parameters of the SLM, and illuminated by the laser with ordinary power. The intensity distributions and intensity changes in the adjustment process for the triple wells are calculated. Results show that the controllable triple-well optical trap with very high peak value of intensity and intensity gradient can be obtained. It has many important applications in the experimental study of atomic and molecular optics.

Keywords:

atomic and molecular optics /
liquid-crystal spatial light modulator /
controllable triple-well optical trap

作者及机构信息

1.
南通大学理学院, 南通 226007;

2.
华东师范大学精密光谱科学与技术国家重点实验室, 上海 200062;

3.
东华理工大学理学院, 抚州 344000

基金项目: 国家自然科学基金 (批准号: 11034002, 11274114);科技部量子调控重大研究计划项目 (批准号: 2011CB921602) 和华东师范大学精密光谱科学与技术国家重点实验室开放基金资助的课题.

Authors and contacts

1.
School of Science, Nantong University, Nantong 226007, China;

2.
State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China;

3.
School of Science, East China Institute of Technology, Fuzhou 344000, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11034002, 11274114), the National Key Basic Research and Development Program of China (Grant No. 2011CB921602), and the Open Research Fund of State Key Laboratory of Precision Spectroscopy, East China Normal University.

参考文献

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[5]	Ji X M, Yin J P 2005 J. Opt. Soc. Am. B 22 1737
[6]	Mu R W, Wang Z L, Li Y L, Ji X M, Yin J P 2010 Eur. Phys. J. D 59 291
[7]	Zheng M J, Ogura Y, Tanida J 2008 Opt. Rev. 15 105
[8]	Matsumoto N, Ando T, Inoue T, Ohtake Y, Fukuchi N, Hara T 2008 J. Opt. Soc. Am. A 25 1642
[9]	He X D, Xu P, Wang J, Zhan M S 2009 Opt. Express 17 21007
[10]	Wall T E, Armitage S, Hudson J J, Sauer B E, Dyne J M, Hinds E A, Tarbutt M R 2009 Phys. Rev. A 80 043407
[11]	Liu X, Zhang J, Wu L Y, Gan Y 2011 Chin. Phys. B 20 024211
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[14]	Gu S B, Xu S W, Lu J F, Ji X M, Yin J P 2012 Acta Phys. Sin. 61 153701 (in Chinese) [顾宋博, 徐淑武, 陆俊发, 纪宪明, 印建平 2012 61 153701]
[15]	Xu S W, Zhou Q Q, Gu S B, Ji X M, Yin J P 2012 Acta Phys. Sin. 61 223702 (in Chinese) [徐淑武, 周巧巧, 顾宋博, 纪宪明, 印建平 2012 61 223702]
[16]	Bloch I 2008 Science 319 1202
[17]	Guan X W, Batchelor M T, Lee C, Zhou H Q 2008 Phys. Rev. Lett. 100 200401
[18]	Taglieber M, Voigt A C, Henkel F, Fray S, Hänsch T W, Dieckmann K 2006 Phys. Rev. A 73 011402
[19]	Meng S Y, Wu W, Liu B 2009 Acta Phys. Sin. 58 6902 (in Chinese) [孟少英, 吴炜, 刘彬 2009 58 6902]
[20]	Deng L, Hagley E W, Wen J, Trippenbach M, Band Y, Julienne P S, Simsarian J E, Helmerson K, Rolston S L, Phillips W D 1999 Nature 398 218
[21]	Ferris A J, Olsen M K, Davis M J 2009 Phys. Rev. A 79 043634
[22]	Dall R G, Byron L J, Truscott A G, Dennis G R, Johnsson M T, Hope J 2009 Phys. Rev. A 79 011601
[23]	Willis R T, Becerra F E, Orozco L A, Rolston S L 2009 Phys. Rev. A 79 033814
[24]	Lu J F, Zhou Q, Ji X M, Yin J P 2011 Acta Phys. Sin. 60 063701 (in Chinese) [陆俊发, 周琦, 纪宪明, 印建平 2011 60 063701]
[25]	Mu R W, Zhou J, Tan S Q, Huang X F, Gao W Q 1998 Chin. Laser 25 829 (in Chinese) [沐仁旺, 周进, 谈苏庆, 黄信凡高文琦 1998 中国激光 25 829]
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施引文献

[1]	Hu J J, Yin J P 2002 J. Opt. Soc. Am. B 19 2844
[2]	Enderlein M, Huber T, Schneider C, Schaetz T 2012 Phys. Rev. Lett. 109 233004
[3]	Lei T, Poon A W 2013 Opt. Express 21 1520
[4]	Ji X M, Yin J P 2004 Acta Phys. Sin. 53 4163 (in Chinese) [纪宪明, 印建平 2004 53 4163]
[5]	Ji X M, Yin J P 2005 J. Opt. Soc. Am. B 22 1737
[6]	Mu R W, Wang Z L, Li Y L, Ji X M, Yin J P 2010 Eur. Phys. J. D 59 291
[7]	Zheng M J, Ogura Y, Tanida J 2008 Opt. Rev. 15 105
[8]	Matsumoto N, Ando T, Inoue T, Ohtake Y, Fukuchi N, Hara T 2008 J. Opt. Soc. Am. A 25 1642
[9]	He X D, Xu P, Wang J, Zhan M S 2009 Opt. Express 17 21007
[10]	Wall T E, Armitage S, Hudson J J, Sauer B E, Dyne J M, Hinds E A, Tarbutt M R 2009 Phys. Rev. A 80 043407
[11]	Liu X, Zhang J, Wu L Y, Gan Y 2011 Chin. Phys. B 20 024211
[12]	Xavier J, Dasgupta R, Ahlawat S, Joseph J, Gupta PK 2012 Appl. Phys. Lett. 101 201101
[13]	Yu Y J, Wang T, Zheng H D 2009 Acta Phys. Sin. 58 3154 (in Chinese) [于瀛洁, 王涛, 郑华东 2009 58 3154]
[14]	Gu S B, Xu S W, Lu J F, Ji X M, Yin J P 2012 Acta Phys. Sin. 61 153701 (in Chinese) [顾宋博, 徐淑武, 陆俊发, 纪宪明, 印建平 2012 61 153701]
[15]	Xu S W, Zhou Q Q, Gu S B, Ji X M, Yin J P 2012 Acta Phys. Sin. 61 223702 (in Chinese) [徐淑武, 周巧巧, 顾宋博, 纪宪明, 印建平 2012 61 223702]
[16]	Bloch I 2008 Science 319 1202
[17]	Guan X W, Batchelor M T, Lee C, Zhou H Q 2008 Phys. Rev. Lett. 100 200401
[18]	Taglieber M, Voigt A C, Henkel F, Fray S, Hänsch T W, Dieckmann K 2006 Phys. Rev. A 73 011402
[19]	Meng S Y, Wu W, Liu B 2009 Acta Phys. Sin. 58 6902 (in Chinese) [孟少英, 吴炜, 刘彬 2009 58 6902]
[20]	Deng L, Hagley E W, Wen J, Trippenbach M, Band Y, Julienne P S, Simsarian J E, Helmerson K, Rolston S L, Phillips W D 1999 Nature 398 218
[21]	Ferris A J, Olsen M K, Davis M J 2009 Phys. Rev. A 79 043634
[22]	Dall R G, Byron L J, Truscott A G, Dennis G R, Johnsson M T, Hope J 2009 Phys. Rev. A 79 011601
[23]	Willis R T, Becerra F E, Orozco L A, Rolston S L 2009 Phys. Rev. A 79 033814
[24]	Lu J F, Zhou Q, Ji X M, Yin J P 2011 Acta Phys. Sin. 60 063701 (in Chinese) [陆俊发, 周琦, 纪宪明, 印建平 2011 60 063701]
[25]	Mu R W, Zhou J, Tan S Q, Huang X F, Gao W Q 1998 Chin. Laser 25 829 (in Chinese) [沐仁旺, 周进, 谈苏庆, 黄信凡高文琦 1998 中国激光 25 829]
[26]	Jin G F, Yan Y B, Wu M X 1998 Binary optics (Beijing: National Defence Industry Press) p25 (in Chinese) [金国藩, 严瑛白, 邬敏贤 1998 二元光学 (北京: 国防工业出版社) 第25页]

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