Apparatus for measuring a frequency-domain optical coherence tomography power spectrum from a sample
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United States of America Patent
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Oct 4, 2011
Grant Date -
Aug 20, 2009
app pub date -
Feb 17, 2009
filing date -
Mar 17, 2005
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Abstract
An apparatus is provided for measuring a frequency-domain optical coherence tomography power spectrum from a sample. The apparatus includes a broadband light source, an optical spectrum analyzer, and a partially reflective element optically coupled to the light source, to the optical spectrum analyzer, and to the sample. A first portion of light from the light source is reflected by the partially reflective element and propagates to the optical spectrum analyzer. A second portion of light from the light source propagating through the partially reflective element, impinging the sample, reflecting from the sample, and propagating to the optical spectrum analyzer.
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