Conjugate phase plate use in analysis of the frequency response of imaging systems designed for extended depth of field
Applied Optics, Vol. 47, Issue 22, pp. E99-E105 (2008)
http://dx.doi.org/10.1364/AO.47.000E99
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Abstract
We unveil a relationship between generating a point spread function with a pair of conjugate phase elements and visualizing the modulation transfer function (MTF) of a single phase element for a variable focus error, at a tunable spatial frequency. We show that the defocused MTF of a pair of conjugate phase elements can be expressed as the modulus of the second order ambiguity function of a single phase element. Finally, we propose a tunable wavefront coding technique with a pair of quartic (4th power) conjugate phase elements.
© 2008 Optical Society of America
OCIS Codes
(110.4100) Imaging systems : Modulation transfer function
(110.6880) Imaging systems : Three-dimensional image acquisition
(220.1230) Optical design and fabrication : Apodization
(080.5084) Geometric optics : Phase space methods of analysis
ToC Category:
Optical Design and Optical Synthesis
History
Original Manuscript: April 24, 2008
Manuscript Accepted: May 8, 2008
Published: June 24, 2008
Citation
Jorge Ojeda-Castañeda, J. E. A. Landgrave, and Cristina M. Gómez-Sarabia, "Conjugate phase plate use in analysis of the frequency response of imaging systems designed for extended depth of field," Appl. Opt. 47, E99-E105 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-22-E99
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