Optical filtering for resonator-fiber-optic gyroscopes
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United States of America Patent
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May 21, 2013
Grant Date -
Dec 6, 2012
app pub date -
Jun 1, 2011
filing date -
Jun 1, 2011
priority date (Note) -
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Abstract
An optical-fiber filter is provided. The optical-fiber filter includes an optical fiber having a first end-face and an opposing second end-face. The first end-face and the second end-face set a fiber length. The first end-face and the second end-face are coated with reflective coatings. When an optical beam emitted from a laser is coupled into one of the first end-face or the second end-face, an optical beam output from the opposing end-face has a narrow linewidth and low frequency noise fluctuations.
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