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Resolution improvement by single-exposure superresolved interferometric microscopy with a monochrome sensor |
JOSA A, Vol. 28, Issue 11, pp. 2346-2358 (2011)
http://dx.doi.org/10.1364/JOSAA.28.002346
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Abstract
Single-exposure superresolved interferometric microscopy (SESRIM) by RGB multiplexing has recently been proposed as a way to achieve one-dimensional superresolved imaging in digital holographic microscopy by a single-color CCD snapshot [ Opt. Lett. 36, 885 (2011)]. Here we provide the mathematical basis for the operating principle of SESRIM, while we also present a different experimental configuration where the color CCD camera is replaced by a monochrome (B&W) CCD camera. To maintain the single-exposure working principle, the object field of view (FOV) is restricted and the holographic recording is based on image-plane wavelength-dispersion spatial multiplexing to separately record the three bandpass images. Moreover, a two-dimensional extension is presented by considering two options: time multiplexing and selective angular multiplexing. And as an additional implementation, the FOV restriction is eliminated by varying the angle between the three reference beams in the interferometric recording. Experimental results are reported for all of the above-mentioned cases.
© 2011 Optical Society of America
OCIS Codes
(090.4220) Holography : Multiplex holography
(100.2000) Image processing : Digital image processing
(100.6640) Image processing : Superresolution
(180.3170) Microscopy : Interference microscopy
ToC Category:
Holography
History
Original Manuscript: July 26, 2011
Revised Manuscript: September 21, 2011
Manuscript Accepted: September 22, 2011
Published: October 26, 2011
Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Alejandro Calabuig, Javier Garcia, Carlos Ferreira, Zeev Zalevsky, and Vicente Micó, "Resolution improvement by single-exposure superresolved interferometric microscopy with a monochrome sensor," J. Opt. Soc. Am. A 28, 2346-2358 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-28-11-2346
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