JPS6121175B

PURPOSE:To obtain the titled multi-or single-mode preform, having stepwise refractive index distribution, extremely easily, by rotating a longitudinally separable mold, and pouring the molten fluoride glass for clad and the one for core successively into the cylindrical hollow part of the mold. CONS...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MYASHITA TADASHI, MITACHI NARYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES 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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