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Opt Express. 2008 Sep 15;16(19):14836-44.

Doppler imaging using spectrally-encoded endoscopy.

Author information

1
Department of Biomedical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel. yelin@bm.technion.ac.il

Abstract

The capability to image tissue motion such as blood flow through an endoscope could have many applications in medicine. Spectrally encoded endoscopy (SEE) is a recently introduced technique that utilizes a single optical fiber and miniature diffractive optics to obtain endoscopic images through small diameter probes. Using spectral-domain interferometry, SEE is furthermore capable of three-dimensional volume imaging at video rates. Here we show that by measuring relative spectral phases, this technology can additionally measure Doppler shifts. Doppler SEE is demonstrated in flowing Intralipid phantoms and vibrating middle ear ossicles.

PMID:
18795020
PMCID:
PMC2735821
[Indexed for MEDLINE]
Free PMC Article
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