Digital holographic microscopy with dual-wavelength phase unwrapping
Applied Optics, Vol. 45, Issue 3, pp. 451-459 (2006)
http://dx.doi.org/10.1364/AO.45.000451
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Abstract
We apply the techniques of digital holography to obtain microscopic three-dimensional images of biological cells. The optical system is capable of microscopic holography with diffraction-limited resolution by projecting a magnified image of a microscopic hologram plane onto a CCD plane. Two-wavelength phase-imaging digital holography is applied to produce unwrapped phase images of biological cells. The method of three-wavelength phase imaging is proposed to extend the axial range and reduce the effect of phase noise. These results demonstrate the effectiveness of digital holography in high-resolution biological microscopy.
© 2006 Optical Society of America
OCIS Codes
(090.1760) Holography : Computer holography
(100.5070) Image processing : Phase retrieval
(110.0180) Imaging systems : Microscopy
ToC Category:
Microscopy
Virtual Issues
Vol. 1, Iss. 2 Virtual Journal for Biomedical Optics
Citation
Daniel Parshall and Myung K. Kim, "Digital holographic microscopy with dual-wavelength phase unwrapping," Appl. Opt. 45, 451-459 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-3-451
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