Parallel on-axis holographic phase microscopy of biological cells and unicellular microorganism dynamics
Applied Optics, Vol. 49, Issue 15, pp. 2872-2878 (2010)
http://dx.doi.org/10.1364/AO.49.002872
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Abstract
We apply a wide-field quantitative phase microscopy technique based on parallel two-step phase-shifting on-axis interferometry to visualize live biological cells and microorganism dynamics. The parallel on-axis holographic approach is more efficient with camera spatial bandwidth consumption compared to previous off-axis approaches and thus can capture finer sample spatial details, given a limited spatial bandwidth of a specific digital camera. Additionally, due to the parallel acquisition mechanism, the approach is suitable for visualizing rapid dynamic processes, permitting an interferometric acquisition rate equal to the camera frame rate. The method is demonstrated experimentally through phase microscopy of neurons and unicellular microorganisms.
© 2010 Optical Society of America
OCIS Codes
(090.2880) Holography : Holographic interferometry
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(180.3170) Microscopy : Interference microscopy
(090.1995) Holography : Digital holography
ToC Category:
Microscopy
History
Original Manuscript: January 11, 2010
Revised Manuscript: March 11, 2010
Manuscript Accepted: April 19, 2010
Published: May 14, 2010
Virtual Issues
Vol. 5, Iss. 10 Virtual Journal for Biomedical Optics
Citation
Natan T. Shaked, Thomas M. Newpher, Michael D. Ehlers, and Adam Wax, "Parallel on-axis holographic phase microscopy of biological cells and unicellular microorganism dynamics," Appl. Opt. 49, 2872-2878 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-15-2872
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