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Because a harmonic diffractive optical element has special achromatism and athermalization, it can be applied to infrared dual-band search and tracking optical system. In this paper, we make the device that can be used in the wavelength ranges 3.7—4.8 μm and 8.7—11.3 μm; It has an efficient focal length 200 mm, the F/number 2.5, the full field of view is 5°. The environment temperature can be changed between -80 ℃—200 ℃. The practical design shows that the system not only shows good image quality in mid-and long-wave, but also the advantages of compact structure, high rates of transmission and athermalization.
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Keywords:
- spectral imaging /
- infrared searching /
- athermalization
[1] Zhang Y Infrared and Laser Engineering. 38 583 (in Chinese) [张渊 红外与激光工程 38 583]
[2] Wolf E, Born M 1981 Principles of Optics (Cambridge: Cambridge University) p439—450
[3] Zhang X D, Li R G Laser{&Infrared}. 40 801 (in Chinese) [张兴德, 李荣刚 激光与红外 40 8013]
[4] Sun J X, Sun Q 2007 Acta Phys. Sin. 56 3900 (in Chinese) [孙金霞, 孙强 2007 物理学报 56 3900]
[5] Smith D J, Gupta N 2005 Proc. SPIE 5881 06
[6] Sweeney, Sommargren 1995 Applied Optics. 14 2469
[7] Chen J J, Zhao J S 6008 Infrared Technlogy. 30 279 (in Chinese) [陈津津, 赵劲松 6008 红外技术 30 279]
[8] Xue H 6010 Acta Optica Sinica. 30 2383 (in Chinese) [薛慧 6010 光学学报 30 2383]
[9] Yasuhisa Tamagawa 2005 Applied Optics. 14 2462
[10] Tamagawa Y, Tajime T 2006 Opt Eng.35 3001
[11] Sun Q, Yu B, Lu Z W 2004 Acta Phys. Sin. 53 756 (in Chinese) [孙强, 于斌, 卢振武 2004 物理学报 53 756]
[12] Dong K Y, Sun Q, Li Y D 2006 Acta Phys. Sin. 55 4602 (in Chinese) [董科研, 孙强, 李永大 2006 物理学报 55 4602]
[13] Dubreuil D, Baudrand J, Abergel A, Bensammar S, Cretolle J B, Dargent P, Galdemard P 2003 Proc. SPIE 4850 564
[14] Davila P S, Bolcar M R, Bos B J, Bean B, Wilson M E 2006 Proc. SPIE 6265 12
[15] Lyons D M 1995 Proc. SPIE 2480 123
[16] Faklis D, Morris G M 1995 Appl. Opt. 34 2462
[17] Jamieson T H 2005 Opt. Eng. 20 156
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[1] Zhang Y Infrared and Laser Engineering. 38 583 (in Chinese) [张渊 红外与激光工程 38 583]
[2] Wolf E, Born M 1981 Principles of Optics (Cambridge: Cambridge University) p439—450
[3] Zhang X D, Li R G Laser{&Infrared}. 40 801 (in Chinese) [张兴德, 李荣刚 激光与红外 40 8013]
[4] Sun J X, Sun Q 2007 Acta Phys. Sin. 56 3900 (in Chinese) [孙金霞, 孙强 2007 物理学报 56 3900]
[5] Smith D J, Gupta N 2005 Proc. SPIE 5881 06
[6] Sweeney, Sommargren 1995 Applied Optics. 14 2469
[7] Chen J J, Zhao J S 6008 Infrared Technlogy. 30 279 (in Chinese) [陈津津, 赵劲松 6008 红外技术 30 279]
[8] Xue H 6010 Acta Optica Sinica. 30 2383 (in Chinese) [薛慧 6010 光学学报 30 2383]
[9] Yasuhisa Tamagawa 2005 Applied Optics. 14 2462
[10] Tamagawa Y, Tajime T 2006 Opt Eng.35 3001
[11] Sun Q, Yu B, Lu Z W 2004 Acta Phys. Sin. 53 756 (in Chinese) [孙强, 于斌, 卢振武 2004 物理学报 53 756]
[12] Dong K Y, Sun Q, Li Y D 2006 Acta Phys. Sin. 55 4602 (in Chinese) [董科研, 孙强, 李永大 2006 物理学报 55 4602]
[13] Dubreuil D, Baudrand J, Abergel A, Bensammar S, Cretolle J B, Dargent P, Galdemard P 2003 Proc. SPIE 4850 564
[14] Davila P S, Bolcar M R, Bos B J, Bean B, Wilson M E 2006 Proc. SPIE 6265 12
[15] Lyons D M 1995 Proc. SPIE 2480 123
[16] Faklis D, Morris G M 1995 Appl. Opt. 34 2462
[17] Jamieson T H 2005 Opt. Eng. 20 156
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