RADIATION RESISTANT SINGLE-MODE OPTICAL FIBER AND METHOD OF MANUFACTURING THEREOF

A radiation resistant single-mode optical fiber has a core and a cladding, each made of fluorine-doped silica glass, in which a chlorine concentration of the core is at least 0.01 ppm, a relative refractive index difference of the core based on the refractive index for silica is between -0.30 and -0...

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Hauptverfasser:	TSUMANUMA TAKASHI, SHAMOTO NAOKI, IZOE KATSUAKI, AIKAWA KAZUHIKO, KUDOH MANABU
Format:	Patent
Sprache:	eng
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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creator	TSUMANUMA TAKASHI SHAMOTO NAOKI IZOE KATSUAKI AIKAWA KAZUHIKO KUDOH MANABU
description	A radiation resistant single-mode optical fiber has a core and a cladding, each made of fluorine-doped silica glass, in which a chlorine concentration of the core is at least 0.01 ppm, a relative refractive index difference of the core based on the refractive index for silica is between -0.30 and -0.10%, a relative refractive index difference of the core based on the refractive index for the cladding is between 0.3% and 0.5%, a cutoff wavelength is 1.27 mum or below, and a bending loss at a wavelength of 1.3 mum and a bending diameter of 20 mm is 0.5 dB/m or less.
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title	RADIATION RESISTANT SINGLE-MODE OPTICAL FIBER AND METHOD OF MANUFACTURING THEREOF
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