Polarization-maintaining fiber and optical fiber sensor using same
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United States of America Patent
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Feb 4, 2014
Grant Date -
Feb 23, 2012
app pub date -
May 20, 2011
filing date -
Aug 18, 2010
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Abstract
The polarization-maintaining fiber of the invention includes a core (1) made of germanium doped silica glass; a stress-applying part (3) made of boron doped silica glass; a cladding (2) made of pure silica glass; and a polyimide coating layer (4) with a thickness of 10 μm or less that surrounds the outer periphery of the cladding (2).
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