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In order to obtain enough information about the target and make full use of medium- and long-wave infrared spectral data, this article describes a harmonic diffractive/refractive (HDE) optical imaging system. Taking advantage of its special dispersion capability, the application of HDE in the infrared dual-band provides hundreds of spectral images in infrared band, medium-wave infrared band of 3.7—4.8 μm and long-wave infrared band of 8—12 μm. The design results show that: at 18 lines/mm, the optical modulation transfer function is greater than 0.55 in medium-wave infrared band, at 13 lines/mm the optical modulation transfer is greater than 0.5 in long-wave infrared band, in the circle of 30 μm radius, the encircled energy is greater than 85% in medium-wave infrared band, in the circle of 38 μm radius, the encircle energy is great than 80% in long-wave infrared band, the spectral resolution is 0.039 μm at 4.25 μm and 0.072 μm at 8.5 μm respectively. So the optical modulation transfer function in infrared dual-band is close to the diffraction limit, and the encircled energy meets the energy requirement of one pixel of existing domestic detectors.
[1] Dubreuil D, Baudrand J, Abergel A, Bensammar S, Cretolle J B, Dargent P, Galdemard P, Gay J, Lacombe F, Lagage P O, Martin L, Prieto E, Rabbia Y, Reess J M, Riaud P, Rouan D, Mols P J, Salasca S, Semery A, Wright G S 2003 Proc. SPIE 4850 564
[2] Davila P S, Bolcar M R, Bos B J, Bean B, Hagopian J G, Howard J M, Unger B L, Wilson M E 2006 Proc. SPIE 6265 626512
[3] Sweeney D W, Sommargren G E 1995 Appl. Opt. 34 2469
[4] Lyons D M 1995 Proc. SPIE 2480 123
[5] Faklis D, Morris G M 1995 Appl. Opt. 34 2462
[6] Hinnrichs M, Gupta Neelam, Goldberg A 2003 32nd Applied Image Pattern Recognition Workshop (AIPR 2003), Image Data Fusion Washington DC, USA, October 15—17, 2003, p73
[7] Smith D J, Gupta N 2005 Proc. SPIE 5881 588106
[8] Sun Q,Yu B,Wang Z Q,Mu G G,Lu Z W 2004 Acta Phys.Sin. 53 756(in Chinese) [孙 强、于 斌、王肇圻、母国光、卢振 武 2004 53 756] 〖9] Dong K Y, Pan Y L, Wang X J, Sun Q, Lu Z W 2008 Opt. Precision Eng. 16 764 (in Chinese) [董科研、潘玉龙、王学进、孙 强、卢振武 2008 光学精密工程 16 764]
[9] Liu Y, Pan Y L, Wang X J, Sun Q, Lu Z W, Liu H, Zhang H X 2008 Opt. Precision Eng. 16 2065 (in Chinese)[刘 英、潘玉龙、王学进、孙 强、卢振武、刘 华、张红鑫 2008 光学 精密工程 16 2065]
[10] Dong K Y,Sun Q,Li Y D,Zhang Y C,Wang J,Ge Z J,Sun J X,Liu J Z 2006 Acta Phys.Sin.55 4602 (in Chinese) [董科研、孙 强、李永大、张云翠、王 健、葛振杰、孙金霞、刘建卓 2006 55 4602]
[11] Sun J X,Sun Q,Li D X, Lu Z W 2007 Acta Phys.Sin.56 3900(in Chinese)[孙金霞、孙 强、李东熙、卢振武 2007 56 3900]
[12] Wolf E, Born M 1981 Principles of Optics (Cambridge: Cambridge University) p439—450
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[1] Dubreuil D, Baudrand J, Abergel A, Bensammar S, Cretolle J B, Dargent P, Galdemard P, Gay J, Lacombe F, Lagage P O, Martin L, Prieto E, Rabbia Y, Reess J M, Riaud P, Rouan D, Mols P J, Salasca S, Semery A, Wright G S 2003 Proc. SPIE 4850 564
[2] Davila P S, Bolcar M R, Bos B J, Bean B, Hagopian J G, Howard J M, Unger B L, Wilson M E 2006 Proc. SPIE 6265 626512
[3] Sweeney D W, Sommargren G E 1995 Appl. Opt. 34 2469
[4] Lyons D M 1995 Proc. SPIE 2480 123
[5] Faklis D, Morris G M 1995 Appl. Opt. 34 2462
[6] Hinnrichs M, Gupta Neelam, Goldberg A 2003 32nd Applied Image Pattern Recognition Workshop (AIPR 2003), Image Data Fusion Washington DC, USA, October 15—17, 2003, p73
[7] Smith D J, Gupta N 2005 Proc. SPIE 5881 588106
[8] Sun Q,Yu B,Wang Z Q,Mu G G,Lu Z W 2004 Acta Phys.Sin. 53 756(in Chinese) [孙 强、于 斌、王肇圻、母国光、卢振 武 2004 53 756] 〖9] Dong K Y, Pan Y L, Wang X J, Sun Q, Lu Z W 2008 Opt. Precision Eng. 16 764 (in Chinese) [董科研、潘玉龙、王学进、孙 强、卢振武 2008 光学精密工程 16 764]
[9] Liu Y, Pan Y L, Wang X J, Sun Q, Lu Z W, Liu H, Zhang H X 2008 Opt. Precision Eng. 16 2065 (in Chinese)[刘 英、潘玉龙、王学进、孙 强、卢振武、刘 华、张红鑫 2008 光学 精密工程 16 2065]
[10] Dong K Y,Sun Q,Li Y D,Zhang Y C,Wang J,Ge Z J,Sun J X,Liu J Z 2006 Acta Phys.Sin.55 4602 (in Chinese) [董科研、孙 强、李永大、张云翠、王 健、葛振杰、孙金霞、刘建卓 2006 55 4602]
[11] Sun J X,Sun Q,Li D X, Lu Z W 2007 Acta Phys.Sin.56 3900(in Chinese)[孙金霞、孙 强、李东熙、卢振武 2007 56 3900]
[12] Wolf E, Born M 1981 Principles of Optics (Cambridge: Cambridge University) p439—450
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