OPTICAL FIBER GLASS ECCENTRICITY MEASUREMENT DEVICE AND MEASUREMENT METHOD

Provided is a glass eccentricity measurement device which includes an irradiation unit that irradiates a side surface of a coated glass fiber obtained by coating the striated glass with light, and a light receiving unit that receives light scattered and/or refracted following irradiation of the side...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KOHDA, Hiroshi
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Provided is a glass eccentricity measurement device which includes an irradiation unit that irradiates a side surface of a coated glass fiber obtained by coating the striated glass with light, and a light receiving unit that receives light scattered and/or refracted following irradiation of the side surface of the coated glass fiber therewith, and measures an eccentricity of the glass in the coated glass fiber by a pattern of brightness and darkness in the light received by the light receiving unit, in which three or more sets including the irradiation unit and a screen are provided around the coated glass fiber, and the sets are arranged respectively in directions having different angles on a circumference centered on the coated glass fiber.