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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 33 — Nov. 20, 2013
  • pp: 7899–7903

Accurate and fast narcissus calculation based on sequential ray trace

Yang Liu, Xiaobing Zhong, Ning Zhong, Changsheng Zheng, and Lizhan Wen  »View Author Affiliations

Applied Optics, Vol. 52, Issue 33, pp. 7899-7903 (2013)

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A narcissus calculating method for cryogenic infrared imaging systems is proposed in this paper. The accuracy is largely improved compared to the traditional paraxial analysis, as ray blocking of the optical opertures is taken into account and real ray data are used during the calculation. The narcissus distribution on the full focal plane can be obtained via analyzing field by field. Meanwhile, it can be implemented simply and fast as sequential ray tracing is utilized and rays only pass through three surfaces during the cold return statistics for every retro-reflecting surface. According to this method, a general narcissus calculation package was realized using the macro language of optical design software Code V. The performance of the new method was tested by calculating an example system using this package and comparing it with traditional methods. The results showed that the new method produced the same result accuracy and information quantity as the nonsequential ray trace, while the whole analysis took only 5 s, which was significantly shortened compared with the nonsequential ray trace, which took about 30 min.

© 2013 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(290.2648) Scattering : Stray light

ToC Category:
Imaging Systems

Original Manuscript: October 17, 2013
Revised Manuscript: August 24, 2013
Manuscript Accepted: August 27, 2013
Published: November 13, 2013

Yang Liu, Xiaobing Zhong, Ning Zhong, Changsheng Zheng, and Lizhan Wen, "Accurate and fast narcissus calculation based on sequential ray trace," Appl. Opt. 52, 7899-7903 (2013)

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