Optical tomography imaging method and apparatus
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United States of America Patent
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Sep 30, 2003
Grant Date -
Dec 20, 2001
app pub date -
Mar 12, 2001
filing date -
Mar 10, 2000
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Abstract
Amplified spontaneous emission light, which is low coherence light radiated out from an optical fiber doped with a light emitting material when excitation energy is applied to the optical fiber, is divided into signal light and reference light. A frequency of the reference light is shifted to a frequency slightly different from the frequency of the signal light. A tomographic image of a measuring site is acquired from an intensity of interference light formed by the signal light reflected from the measuring site and the reference light.
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