Method of detecting a topology of a reflective surface
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United States of America Patent
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Feb 12, 2013
Grant Date -
Jul 19, 2012
app pub date -
Jan 23, 2012
filing date -
May 4, 2006
priority date (Note) -
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Abstract
A method detects a topology of a reflective surface. The method includes providing an optical fiber positioned such that light emitted from the optical fiber is reflected by at least a portion of the reflective surface. The optical fiber and the portion of the reflective surface form an optical resonator having an optical resonance with a resonance lineshape. The method further includes emitting light from the optical fiber while the optical fiber is at a plurality of positions along the reflective surface. The light emitted from the optical fiber irradiates a corresponding plurality of portions of the reflective surface. The method further includes measuring a change of the resonance lineshape due to the irradiation of the plurality of portions of the reflective surface.
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