RADIATION RESISTANT MULTIPLE FIBER

It is disclosed a radiation resistant multiple fiber which is excellent in radiation resistance at the region of visible light, and therefore is suitable as an image transmitter of image scope, wherein a number of optical fiber elements each of which comprises a core composed of a pure silica glass...

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Bibliographische Detailangaben
1. Verfasser:	HAYAMI, HIROYUKI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	It is disclosed a radiation resistant multiple fiber which is excellent in radiation resistance at the region of visible light, and therefore is suitable as an image transmitter of image scope, wherein a number of optical fiber elements each of which comprises a core composed of a pure silica glass and a cladding layer formed on the core and composed of a doped silica glass are mutually heat-fused, and said pure silica glass of the core having a chlorine content of lower than 1 ppm, an OH group content of lower than 1000 ppm, and also fluorine content of at least 100 ppm.