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Conference Paper
Biomedical Topical Meeting
Miami Beach, Florida United States
April 14, 2004
ISBN: 1-55752-769-5
Biophysics and Physiology of Functional Neuroimaging (WE)

Neural interferometry: first non-contact measurements of action potential-induced nerve swelling

Christopher M. Fang-Yen, Mark Chu, H. Sebastian. Seung, Kamran Badizadegan, Ramachandra Dasari, and Michael S.. Feld

http://dx.doi.org/10.1364/BIO.2004.WE6


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Abstract

A novel heterodyne dual-beam interferometer is used to perform non-contact measurements of swelling displacements in a lobster nerve bundle during the action potential. Displacements are ~1-8 nm in amplitude and ~10 ms in duration.

© Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3880) Medical optics and biotechnology : Medical and biological imaging

Citation
C. M. Fang-Yen, M. Chu, H. S. Seung, K. Badizadegan, R. Dasari, and M. S. Feld, "Neural interferometry: first non-contact measurements of action potential-induced nerve swelling," in Biomedical Topical Meeting, OSA Technical Digest (Optical Society of America, 2004), paper WE6.
http://www.opticsinfobase.org/abstract.cfm?URI=BIO-2004-WE6


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