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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 9 — May. 6, 2013
  • pp: 10810–10820

Stray light analysis and suppression of panoramic annular lens

Zhi Huang, Jian Bai, Tian Xiong Lu, and Xi Yun Hou  »View Author Affiliations

Optics Express, Vol. 21, Issue 9, pp. 10810-10820 (2013)

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A new stray light analysis method and some suppression principles of panoramic annular lens (PAL) are introduced in this paper. The proposed method is to find stray light paths which are caused by ray splitting on two refractive surfaces of the PAL block and then cut them off. Following this principle, the stray light paths can be eliminated in the design progress by adding specific merit functions into the optical software. The methods to reduce scatter, diffraction and other stray light are also proposed. A new PAL with a field of view (FOV) of 30°~100° × 360° is designed. The stray light is suppressed more than 80% compared with a similar conventional PAL. The stray light path analysis method also can be used in other catadioptric optics.

© 2013 OSA

OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(220.3620) Optical design and fabrication : Lens system design
(290.2648) Scattering : Stray light

ToC Category:
Optical Design and Fabrication

Original Manuscript: November 22, 2012
Revised Manuscript: March 2, 2013
Manuscript Accepted: March 15, 2013
Published: April 25, 2013

Zhi Huang, Jian Bai, Tian Xiong Lu, and Xi Yun Hou, "Stray light analysis and suppression of panoramic annular lens," Opt. Express 21, 10810-10820 (2013)

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