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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4534–4536

Improved sinusoidal phase plate to extend depth of field in incoherent hybrid imaging systems

Jingang Wang, Jing Bu, Mingwei Wang, Yong Yang, and X.-C. Yuan  »View Author Affiliations


Optics Letters, Vol. 37, Issue 21, pp. 4534-4536 (2012)
http://dx.doi.org/10.1364/OL.37.004534


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Abstract

An improved sinusoidal phase plate is proposed by adding a new parameter to the conventional sinusoidal phase plate. A series of performance comparisons are made among various phase plates, including sinusoidal, cubic phase, and the modified logarithmic phase. The results demonstrate that the improved sinusoidal phase plate can further extend the depth of field in incoherent hybrid imaging systems, with lower surface relief phase structures fabricated in photoresist (AR-N 4340, ALL Resist, Germany).

© 2012 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(220.3740) Optical design and fabrication : Lithography
(220.4000) Optical design and fabrication : Microstructure fabrication
(110.1758) Imaging systems : Computational imaging

ToC Category:
Imaging Systems

History
Original Manuscript: August 9, 2012
Manuscript Accepted: September 20, 2012
Published: October 30, 2012

Citation
Jingang Wang, Jing Bu, Mingwei Wang, Yong Yang, and X.-C. Yuan, "Improved sinusoidal phase plate to extend depth of field in incoherent hybrid imaging systems," Opt. Lett. 37, 4534-4536 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-21-4534


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