非相干光源无衍射光的自重建

范丹丹; 吴逢铁; 程治明; 朱健强

doi:10.7498/aps.62.104219

摘要

基于Hankel 波理论分析了非相干光源产生Bessel光束的自重建特性, 利用光学设计软件ZEMAX模拟了Bessel光束经过轴上圆形障碍物后的截面光强分布. 由于发光二级管(LED) 具有一定的频谱宽度且不像激光具有很高的相干度, 因此我们采用一定频宽范围的连续谱来描述. 从模拟结果可以直观地看出Bessel光束被轴上圆形障碍物遮挡后逐步完成自重建, 说明用LED非相干光作为光源具有自重建特性.实验上采用LED和轴棱锥元件产生Bessel光束, 然后通过轴上圆形障碍物、轴上方形障碍物, 并拍摄了不同位置处的截面光强分布图, 证实了非相干光源产生Bessel光束的自重建特性.实验结果和模拟结果相符合.

关键词:

Abstract

Based on the Hankel wave theory, reconstruction property of Bessel beam generated by incoherent source is analyzed. The section light intensity distribution of Bessel beam after on-axis circular obstacle is simulated by optical design software ZEMAX. Light emitting diode (LED) has a certain spectrum width, therefore we describe it by using a continuous spectrum with a certain range of spectral width. From the simulation results we can see visually that Bessel beam gradually realizes the reconstruction after circular obstacles on-axial shelter. It is proved that LED has the reconstruction property. We use LED and axcion element to generate Bessel beam. This Bessel beam passes though an on-axis circular obstacle and an on-axis square obstacle. We take the pictures of the section light intensity distribution at different positions. The reconstruction properties of the LED incoherent source are verified. Experimental results accord well with the simulation results.

Keywords:

作者及机构信息

1.
华侨大学信息科学与工程学院, 福建省光传输与变换重点实验室，厦门 361021;

2.
中国科学院上海光学精密机械研究所, 高功率激光物理联合实验室, 上海 201800

基金项目: 国家自然科学基金(批准号: 61178015)、国家高功率激光物理重点实验室开放基金(批准号: SG001102)、福建省自然科学基金项目(批准号: 2012J01278)和泉州市科技重点项目(批准号: 2011G9)资助的课题.

Authors and contacts

1.
College of Information Science and Engineering, Huaqiao University, Fujian Key Laboratory of Optical Beam Transmission and Transformation, Xiamen 361021, China;

2.
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61178015), the High Power Laser Physics Key Laboratory Open Foundation of China (Grant No. SG001102), the Natural Science Foundation of Fujian Province, China (Grant No. 2012J01278), and the Science and Technology Key Project of Quanzhou City, China (Grant No. 2011G9).

参考文献

[1]	Durnin J 1987 J. Opt. Soc. Am. A 4 651
[2]	Garces C V, McGloin D, Melville H, Sibbett W, Dholakia K 2002 Nature 419 145
[3]	Wulle T, Herminghaus S 1993 Phys. Rev. Lett. 70 1401
[4]	Lee K S, Rolland J P 2008 Opt. Lett. 33 1696
[5]	Fortin M, Piche M, Borra E F 2004 Opt. Express 12 5887
[6]	Jun C, Ng J, Zhifang L, Chan C T 2011 Nat. Photon. 5 531
[7]	Bouchal Z, Wagner J, Chlup M 1998 Opt. Commun. 151 207
[8]	Florian O F, Philipp S, Alexander R 2010 Nat. Photon. 204 1
[9]	Liu B, Wu F T, Jiang X G 2008 Chin. J. Lasers 36 379 (in Chinese) [刘彬, 吴逢铁, 江新光2008 中国激光 36 379]
[10]	Wu F T, Jiang X G, Liu B, Qiu Z X 2009 Acta Phys. Sin. 58 3125 (in Chinese) [吴逢铁, 江新光, 刘彬, 邱振兴 2009 物理学报 58 3125]
[11]	Zhang Q A, Wu F T, Zheng W T, Pu J X 2011 Sci. Sin. Phys. Mech. Astron. 41 1131 [张前安, 吴逢铁, 郑维涛, 蒲继雄2011中国科学 41 1131]
[12]	Andrew M S, Gary A S, Joshua M 2004 SPIE 5530 182
[13]	Zhao M, Xiao S L, Wang X, Shi J, Huang R, Jiang R R 2010 Laser Optoelectron. Prog. 47 040602 (in Chinese) [赵明, 肖沙里, 王玺, 施军, 黄睿, 姜蓉蓉2010 激光与光电子学进展 47 040602]
[14]	Cheng Z M, Wu F T, Fan D D , Fang X 2012 Sci. Sin. Phys. Mech. Astron. 42 805 [程治明, 吴逢铁, 范丹丹, 方翔 2012 中国科学 42 805]
[15]	Lopez-Mariscal C, Gutierrez-Vega J C 2010 J. Opt. 12 1
[16]	Chá ez-Cerda S, McDonald G S, New G H C 1996 J. Opt. Commun. 123 225

施引文献

[1]	Durnin J 1987 J. Opt. Soc. Am. A 4 651
[2]	Garces C V, McGloin D, Melville H, Sibbett W, Dholakia K 2002 Nature 419 145
[3]	Wulle T, Herminghaus S 1993 Phys. Rev. Lett. 70 1401
[4]	Lee K S, Rolland J P 2008 Opt. Lett. 33 1696
[5]	Fortin M, Piche M, Borra E F 2004 Opt. Express 12 5887
[6]	Jun C, Ng J, Zhifang L, Chan C T 2011 Nat. Photon. 5 531
[7]	Bouchal Z, Wagner J, Chlup M 1998 Opt. Commun. 151 207
[8]	Florian O F, Philipp S, Alexander R 2010 Nat. Photon. 204 1
[9]	Liu B, Wu F T, Jiang X G 2008 Chin. J. Lasers 36 379 (in Chinese) [刘彬, 吴逢铁, 江新光2008 中国激光 36 379]
[10]	Wu F T, Jiang X G, Liu B, Qiu Z X 2009 Acta Phys. Sin. 58 3125 (in Chinese) [吴逢铁, 江新光, 刘彬, 邱振兴 2009 物理学报 58 3125]
[11]	Zhang Q A, Wu F T, Zheng W T, Pu J X 2011 Sci. Sin. Phys. Mech. Astron. 41 1131 [张前安, 吴逢铁, 郑维涛, 蒲继雄2011中国科学 41 1131]
[12]	Andrew M S, Gary A S, Joshua M 2004 SPIE 5530 182
[13]	Zhao M, Xiao S L, Wang X, Shi J, Huang R, Jiang R R 2010 Laser Optoelectron. Prog. 47 040602 (in Chinese) [赵明, 肖沙里, 王玺, 施军, 黄睿, 姜蓉蓉2010 激光与光电子学进展 47 040602]
[14]	Cheng Z M, Wu F T, Fan D D , Fang X 2012 Sci. Sin. Phys. Mech. Astron. 42 805 [程治明, 吴逢铁, 范丹丹, 方翔 2012 中国科学 42 805]
[15]	Lopez-Mariscal C, Gutierrez-Vega J C 2010 J. Opt. 12 1
[16]	Chá ez-Cerda S, McDonald G S, New G H C 1996 J. Opt. Commun. 123 225

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