PHOTOCONDUCTIVE FIBER HAVING VARIABLE REFRACTIVE INDEX FOR COMMUNICATION TRANSMISSION

摘要

A process for producing an optical fiber comprising; DEPOSITING IN A TUBE SILICON AND BORON OXIDES, AND THEN, DEPOSITING OXIDES OF SILICON AS WELL AS GERMANIUM, PHOSPHORUS AND/OR BORON, IN ADDITION TO AN ADDITIONAL OXIDE SUCH AS ANTIMONY; FOLLOWED BY COLLAPSING THE TUBE TO FORM A ROD WHICH IS DRAWN INTO AN OPTICAL FIBER.