期刊
OPTICS LETTERS
卷 30, 期 16, 页码 2131-2133出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.30.002131
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- NCRR NIH HHS [R01 RR19768] Funding Source: Medline
We describe a novel microscopy technique for quantitative phase-contrast imaging of a transparent specimen. The technique is based on depth-resolved phase information provided by common path spectral-domain optical coherence tomography and can measure minute phase variations caused by changes in refractive index and thickness inside the specimen. We demonstrate subnanometer level path-length sensitivity and present images obtained on reflection from a known phase object and human epithelial cheek cells. (c) 2005 Optical Society of America.
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