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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 6 — Jun. 1, 2007
  • pp: 1747–1751

Design of microlenses with long focal depth based on the general focal length function

Jie Lin, Jianlong Liu, Jiasheng Ye, and Shutian Liu  »View Author Affiliations


JOSA A, Vol. 24, Issue 6, pp. 1747-1751 (2007)
http://dx.doi.org/10.1364/JOSAA.24.001747


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Abstract

A general focal length function is proposed to design microlenses with long extended focal depth and high lateral resolution. The focal performance of the designed microlenses, including the actual focal depth, the focal spot size, and the diffraction efficiency, is calculated by rigorous electromagnetic theory and the boundary-element method for several f-numbers. In contrast to conventional microlenses, the numerical results indicate that the designed microlenses can exhibit long extended focal depth and good focal performance. It is expected that the long focal length function will be widely used to design microlenses with long focal depth characteristics.

© 2007 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1970) Diffraction and gratings : Diffractive optics
(220.3620) Optical design and fabrication : Lens system design

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: November 22, 2006
Manuscript Accepted: January 5, 2007
Published: May 9, 2007

Citation
Jie Lin, Jianlong Liu, Jiasheng Ye, and Shutian Liu, "Design of microlenses with long focal depth based on the general focal length function," J. Opt. Soc. Am. A 24, 1747-1751 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-6-1747

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