Journal
OPTICS LETTERS
Volume 29, Issue 20, Pages 2399-2401Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.29.002399
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- NCRR NIH HHS [P41-RR02594] Funding Source: Medline
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We describe a quantitative phase-imaging interferometer in which phase shifting and noise cancellation are performed by an active feedback loop using a reference laser. Depth gating via low-coherence light allows phase measurement from weakly reflecting biological samples. We demonstrate phase images from a test structure and living cells. (C) 2004 Optical Society of America.
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