Research Papers: Imaging

Depth-resolved dual-beamlet vibrometry based on Fourier domain low coherence interferometry

[+] Author Affiliations
Hrebesh M. Subhash, Alfred L. Nuttall

Oregon Health and Science University, Department of Biomedical Engineering, 3303 SW Bond Avenue, Portland, Oregon 97239

Oregon Health and Science University, Oregon Hearing Research Center, School of Medicine, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239

Niloy Choudhury

Michigan Technological University, Department of Biomedical Engineering, 1400 Townsend Drive, Houghton, Michigan 49931-1295

Fangyi Chen

Oregon Health and Science University, Oregon Hearing Research Center, School of Medicine, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239

Ruikang K. Wang

University of Washington, Department of Bioengineering, Seattle, Washington 98195

Steven L. Jacques

Oregon Health and Science University, Department of Biomedical Engineering, 3303 SW Bond Avenue, Portland, Oregon 97239

J. Biomed. Opt. 18(3), 036003 (Mar 01, 2013). doi:10.1117/1.JBO.18.3.036003
History: Received November 26, 2012; Revised February 13, 2013; Accepted February 14, 2013
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Abstract.  We present an optical vibrometer based on delay-encoded, dual-beamlet phase-sensitive Fourier domain interferometric system to provide depth-resolved subnanometer scale vibration information from scattering biological specimens. System characterization, calibration, and preliminary vibrometry with biological specimens were performed. The proposed system has the potential to provide both amplitude and direction of vibration of tissue microstructures on a single two-dimensional plane.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Hrebesh M. Subhash ; Niloy Choudhury ; Fangyi Chen ; Ruikang K. Wang ; Steven L. Jacques, et al.
"Depth-resolved dual-beamlet vibrometry based on Fourier domain low coherence interferometry", J. Biomed. Opt. 18(3), 036003 (Mar 01, 2013). ; http://dx.doi.org/10.1117/1.JBO.18.3.036003


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