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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 2 — Jan. 24, 2005
  • pp: 552–557

Cemented doublet lens with an extended focal depth

Xinping Liu, Xianyang Cai, Shoude Chang, and Chander P. Grover  »View Author Affiliations

Optics Express, Vol. 13, Issue 2, pp. 552-557 (2005)

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A method of designing a lens with an extended focal depth is studied. The lens is a cemented doublet composed of a birefringent lens and a conventional lens. The crystal optical axis of the birefringent lens is perpendicular to the axis of the optical system. By properly selecting the parameters of the birefringent lens and the conventional lens, we can flexibly configure an imaging system that simultaneously has a large focal depth and high resolution. We also provide a theoretical analysis which shows that the focal depth of the lens is approximately 1.5 times that of a conventional lens.

© 2005 Optical Society of America

OCIS Codes
(080.3620) Geometric optics : Lens system design
(260.1440) Physical optics : Birefringence

ToC Category:
Research Papers

Original Manuscript: December 8, 2004
Revised Manuscript: January 12, 2005
Published: January 24, 2005

Xinping Liu, Xianyang Cai, Shoude Chang, and Chander Grover, "Cemented doublet lens with an extended focal depth," Opt. Express 13, 552-557 (2005)

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