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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 5 — Mar. 3, 2008
  • pp: 3484–3489

High-efficiency rotating point spread functions

Sri Rama Prasanna Pavani and Rafael Piestun  »View Author Affiliations


Optics Express, Vol. 16, Issue 5, pp. 3484-3489 (2008)
http://dx.doi.org/10.1364/OE.16.003484


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Abstract

Rotating point spread functions (PSFs) present invariant features that continuously rotate with defocus and are important in diverse applications such as computational imaging and atom/particle trapping. However, their transfer function efficiency is typically very low. We generate highly efficient rotating PSFs by tailoring the range of invariant rotation to the specific application. The PSF design involves an optimization procedure that applies constraints in the Gauss-Laguerre modal plane, the spatial domain, and the Fourier domain. We observed over thirty times improvement in transfer function efficiency. Experiments with a phase-only spatial light modulator demonstrate the potential of high-efficiency rotating PSFs.

© 2008 Optical Society of America

OCIS Codes
(110.4850) Imaging systems : Optical transfer functions
(110.6880) Imaging systems : Three-dimensional image acquisition
(150.5670) Machine vision : Range finding
(110.1758) Imaging systems : Computational imaging
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Imaging Systems

History
Original Manuscript: December 21, 2007
Revised Manuscript: February 9, 2008
Manuscript Accepted: February 20, 2008
Published: February 29, 2008

Virtual Issues
Vol. 3, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Sri Rama Prasanna Pavani and Rafael Piestun, "High-efficiency rotating point spread functions," Opt. Express 16, 3484-3489 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-5-3484


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References

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