Rational phase mask to extend the depth of field in optical-digital hybrid imaging systems
Optics Letters, Vol. 34, Issue 3, pp. 380-382 (2009)
http://dx.doi.org/10.1364/OL.34.000380
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Abstract
We propose a novel phase mask called the rational phase mask (RPM) to extend the depth of field in optical-digital hybrid imaging systems. Using the invariance to defocus of the modulation transfer function as the merit function, we adopt the simulated annealing algorithm to optimize the RPM together with the other three existing phase masks. Numerical comparisons prove the RPM’s superiority.
© 2009 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(110.0110) Imaging systems : Imaging systems
(220.1000) Optical design and fabrication : Aberration compensation
(110.1758) Imaging systems : Computational imaging
ToC Category:
Imaging Systems
History
Original Manuscript: September 19, 2008
Revised Manuscript: December 12, 2008
Manuscript Accepted: December 18, 2008
Published: January 30, 2009
Citation
Feng Zhou, Guangwei Li, Haitao Zhang, and Dongsheng Wang, "Rational phase mask to extend the depth of field in optical-digital hybrid imaging systems," Opt. Lett. 34, 380-382 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-3-380
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