Low-loss optical fiber over wide wavelength range and method of manufacturing the same
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United States of America Patent
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Oct 28, 2014
Grant Date -
Nov 14, 2013
app pub date -
May 9, 2013
filing date -
May 11, 2012
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Abstract
A low-loss optical fiber over wide wavelength range includes a transmission loss of less than or equal to 40 dB/km in a whole wavelength range of 400-1400 nm, and being manufactured by drawing an optical fiber preform including a core composed of a silica glass having a hydroxyl-group concentration of less than or equal to 1 ppm and a cladding composed of a silica glass having a fluorine concentration of more than or equal to 3.2 wt %.
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