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Theory of diffraction effects in spatial frequency-modulated imaging |
JOSA A, Vol. 29, Issue 12, pp. 2579-2590 (2012)
http://dx.doi.org/10.1364/JOSAA.29.002579
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Abstract
An analytic theory describing the effects of diffraction and aberrations on single-pixel imaging performed by temporally modulating illumination light is presented. This method encodes spatial information using sinusoidal temporal modulations that are chirped in frequency across the extent of an illumination line focus. With some approximations, a point spread function relationship as a function of defocus or other aberrations is found for both spatially coherent and incoherent cases. The theory is validated through experiments and simulations, including measurement of the transverse and longitudinal optical transfer function, and confirmation of insensitivity to aberrations and significant optical scattering after encoding of spatial information through temporal modulation.
© 2012 Optical Society of America
OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(110.2990) Imaging systems : Image formation theory
(110.6760) Imaging systems : Talbot and self-imaging effects
(180.5810) Microscopy : Scanning microscopy
(110.0113) Imaging systems : Imaging through turbid media
ToC Category:
Imaging Systems
History
Original Manuscript: August 31, 2012
Manuscript Accepted: October 10, 2012
Published: November 22, 2012
Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Daniel J. Higley, David G. Winters, Gregory L. Futia, and Randy A. Bartels, "Theory of diffraction effects in spatial frequency-modulated imaging," J. Opt. Soc. Am. A 29, 2579-2590 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-12-2579
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