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In this paper, theoretical researches on the MgO:LN tunable hexagonal phase array grating based on the Talbot effect were presented. Researches revealed the effects on the intensity distribution of near-field diffraction from array grating duty cycle which is defined as D, phase difference which is defined as Δφ and the distance coefficient which is defined as β. The results obtained show that good near-field diffraction images can be achieved at D=52%, Δφ=0.75π, β=0.2. Based on the theoretical researches, the tunable hexagonal phase array grating is designed and fabricated from periodically poled MgO:LN crystal. Through experimental test, the Talbot effect diffraction imaging map is successfully obtained at different Δφ and β, which verifies the results of the theoretical researches.
[1] Duchesne D, Morandotti R, Azana J 2007 J. Opt. Soc. Am. B 24 113
[2] Testorf M 2006 J. Opt. Soc. Am. A 23 187
[3] Hamam H 2006 Appl. Opt. 45 6525
[4] Abramski K M, Baker H J, Colley A D, Hall D R 1992 Appl. Phys. Lett. 60 2469
[5] Wang H S 2005 Acta Phys. Sin. 54 5688 (In Chinese) [王淮生 2005 54 5688]
[6] Chen B, Zhu P P, Liu Y J, Wang J Y, Yuan Q X, Huang W X, Ming H, Wu Z Y 2008 Acta Phys. Sin. 57 1576 (In Chinese) [陈博, 朱佩平, 刘宜晋, 王寯越, 袁清习, 黄万霞, 明海, 吴自玉 2008 57 1576]
[7] Xi P, Zhou C H, Dai E W, Liu L R 2002 Opt. Lett. 27 228
[8] Paturzo M, Natale P D, Nicola S D, Ferraro P 2006 Opt. Lett. 31 3164
[9] Maddaloni P, Paturzo M, Ferraro P, Malara P, Natale P D, Gioffré M, Coppola G, Iodice M 2009 Appl. Phys. Lett. 94 121105
[10] Zhang Y, Wen J M, Zhu S N, Xiao M 2010 Phys. Rev. Lett. 104 183901
[11] Zhou B, Chen Y L, Li Y A, Li H W 2010 Acta Phys. Sin. 59 1816 (in Chinese) [周波, 陈云琳, 黎远安, 李海伟 2010 59 1816]
[12] Li J G, Chen Y L, Zhang J H 2012 Acta Phys. Sin. 61 124210 (in Chinese) [李建光, 陈云琳, 张进宏 2010 61 124210]
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[1] Duchesne D, Morandotti R, Azana J 2007 J. Opt. Soc. Am. B 24 113
[2] Testorf M 2006 J. Opt. Soc. Am. A 23 187
[3] Hamam H 2006 Appl. Opt. 45 6525
[4] Abramski K M, Baker H J, Colley A D, Hall D R 1992 Appl. Phys. Lett. 60 2469
[5] Wang H S 2005 Acta Phys. Sin. 54 5688 (In Chinese) [王淮生 2005 54 5688]
[6] Chen B, Zhu P P, Liu Y J, Wang J Y, Yuan Q X, Huang W X, Ming H, Wu Z Y 2008 Acta Phys. Sin. 57 1576 (In Chinese) [陈博, 朱佩平, 刘宜晋, 王寯越, 袁清习, 黄万霞, 明海, 吴自玉 2008 57 1576]
[7] Xi P, Zhou C H, Dai E W, Liu L R 2002 Opt. Lett. 27 228
[8] Paturzo M, Natale P D, Nicola S D, Ferraro P 2006 Opt. Lett. 31 3164
[9] Maddaloni P, Paturzo M, Ferraro P, Malara P, Natale P D, Gioffré M, Coppola G, Iodice M 2009 Appl. Phys. Lett. 94 121105
[10] Zhang Y, Wen J M, Zhu S N, Xiao M 2010 Phys. Rev. Lett. 104 183901
[11] Zhou B, Chen Y L, Li Y A, Li H W 2010 Acta Phys. Sin. 59 1816 (in Chinese) [周波, 陈云琳, 黎远安, 李海伟 2010 59 1816]
[12] Li J G, Chen Y L, Zhang J H 2012 Acta Phys. Sin. 61 124210 (in Chinese) [李建光, 陈云琳, 张进宏 2010 61 124210]
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