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提出了一种利用会聚透镜、轴棱锥等简单光学元件产生长距离近似无衍射光的新技术. 分别利用几何光学和衍射理论分析了该方法产生长距离近似无衍射光束的原理, 通过软件模拟了长距离近似无衍射光束的形成过程,得出了该光束在不同距离处的横向光强分布. 模拟结果显示该光束在较长距离处的横向光强分布满足Bessel分布. 从实验上获得了传播距离长达80 m、中心光斑发散角约为0.12 mrad的近似无衍射光束, 相比于国外学者最近的研究成果(Belyi et al. 2010 Opt. Exp. 18 1966)将传播距离延长了50多米,而光束发散角压缩了22倍.实验中, 对光束沿光轴传播时在不同距离处的光斑进行了拍摄,所得实验结果与理论分析基本符合.A new technique for generating quasi non-diffracting beam with long propagation distance by using simple optical elements including the convergent lens and axicons is proposed. The theory of generating such a beam is studied with geometrical optics and diffraction theory. The formation process of the beam is simulated, and the transverse intensity distributions at various distances are obtained. The simulation results show that the transverse intensity distribution at long-distance accords with Bessel distribution. A comparison between the quasi non-diffracting beam, which is obtained by our experiment, and that in the literature (Belyi et al. 2010 Opt. Exp. 18 1966) shows that its propagation distance is more than 50 m longer, and the beam divergence angle is compressed by 22 times. In the experiment, the beam patterns are captured at different propagation positions, and the obtained results are in good agreement with the theoretical analyses.
[1] Durnin J 1987 Phys. Rev. Lett. 58 1499
[2] Durnin J 1987 J. Opt. Soc. Am. A 4 651
[3] Hwang C Y, Kim K Y, Lee B 2011 Opt. Exp. 19 7356
[4] 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]
[5] Cheng C J, Chern J L 2010 Opt. Commun. 283 4892
[6] Victor A, David S, Ulises R 2009 Opt. Lett. 34 1456
[7] Zhang Q A, Wu F T, Zheng W T, Pu J X 2011 Sci. China G Phys. Mech. Astron. 41 1131(in Chinese) [张前安, 吴逢铁, 郑维涛, 蒲继雄 2011 中国科学G辑 41 1131]
[8] Ma B T, Wu F T, Ma L 2010 Acta Phys. Sin. 59 6213 (in Chinese) [马宝田, 吴逢铁, 马亮 2010 物理学报 59 6213]
[9] Chen B S, Pu J X 2009 Chin. Phys. B 18 1033
[10] Scott G, McArdie N 1992 Opt. Eng. 31 2640
[11] Jaroszewicz Z, Dopazo J F R, Gomez-Reino C 1996 Appl. Opt. 35 1025
[12] Turuenen J, Vasara A, Friberg A T 1988 Appl. Opt. 27 3959
[13] Vasara A, Tutunen J, Friberg A T 1989 J. Opt. Soc. Am. A 6 1748
[14] Burvall A, Kolacz K, Jaroszewicz Z 2004 Appl. Opt. 43 4838
[15] Sochacki J, Kolodziejczyk A, Jaroszewicz Z, Bara S 1992 Appl. Opt. 31 5326
[16] Staronski L R, Sochacki J, Jaroszewicz Z, Kolodziejczyk A 1992 J. Opt. Soc. Am. A 9 2091
[17] Wu F T, Chen Y B, Guo D D 2007 Appl. Opt. 46 4943
[18] Ma B T, Wu F T, Lu W H, Pu J X 2010 Opt. Laser Tech. 42 941
[19] Ma L, Wu F T 2010 Acta Phys. Sin. 59 6096 (in Chinese) [马亮, 吴逢铁 2010 物理学报 59 6096]
[20] Zhao B, Li Z, Huang X D 1998 Acta Opt. Sin. 18 707 (in Chinese) [赵斌, 李柱, 黄德修 1998 光学学报 18 707]
[21] Belyi V, Forbes A, Kazak N 2010 Opt. Exp. 18 1966
[22] Chavez-Cerda S, New G H C 2000 Opt. Commun. 181 369
[23] Liu L, Wu F T 2008 Acta Opt. Sin. 28 370 (in Chinese) [刘岚, 吴逢铁 2008 光学学报 28 370]
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[1] Durnin J 1987 Phys. Rev. Lett. 58 1499
[2] Durnin J 1987 J. Opt. Soc. Am. A 4 651
[3] Hwang C Y, Kim K Y, Lee B 2011 Opt. Exp. 19 7356
[4] 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]
[5] Cheng C J, Chern J L 2010 Opt. Commun. 283 4892
[6] Victor A, David S, Ulises R 2009 Opt. Lett. 34 1456
[7] Zhang Q A, Wu F T, Zheng W T, Pu J X 2011 Sci. China G Phys. Mech. Astron. 41 1131(in Chinese) [张前安, 吴逢铁, 郑维涛, 蒲继雄 2011 中国科学G辑 41 1131]
[8] Ma B T, Wu F T, Ma L 2010 Acta Phys. Sin. 59 6213 (in Chinese) [马宝田, 吴逢铁, 马亮 2010 物理学报 59 6213]
[9] Chen B S, Pu J X 2009 Chin. Phys. B 18 1033
[10] Scott G, McArdie N 1992 Opt. Eng. 31 2640
[11] Jaroszewicz Z, Dopazo J F R, Gomez-Reino C 1996 Appl. Opt. 35 1025
[12] Turuenen J, Vasara A, Friberg A T 1988 Appl. Opt. 27 3959
[13] Vasara A, Tutunen J, Friberg A T 1989 J. Opt. Soc. Am. A 6 1748
[14] Burvall A, Kolacz K, Jaroszewicz Z 2004 Appl. Opt. 43 4838
[15] Sochacki J, Kolodziejczyk A, Jaroszewicz Z, Bara S 1992 Appl. Opt. 31 5326
[16] Staronski L R, Sochacki J, Jaroszewicz Z, Kolodziejczyk A 1992 J. Opt. Soc. Am. A 9 2091
[17] Wu F T, Chen Y B, Guo D D 2007 Appl. Opt. 46 4943
[18] Ma B T, Wu F T, Lu W H, Pu J X 2010 Opt. Laser Tech. 42 941
[19] Ma L, Wu F T 2010 Acta Phys. Sin. 59 6096 (in Chinese) [马亮, 吴逢铁 2010 物理学报 59 6096]
[20] Zhao B, Li Z, Huang X D 1998 Acta Opt. Sin. 18 707 (in Chinese) [赵斌, 李柱, 黄德修 1998 光学学报 18 707]
[21] Belyi V, Forbes A, Kazak N 2010 Opt. Exp. 18 1966
[22] Chavez-Cerda S, New G H C 2000 Opt. Commun. 181 369
[23] Liu L, Wu F T 2008 Acta Opt. Sin. 28 370 (in Chinese) [刘岚, 吴逢铁 2008 光学学报 28 370]
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