OPTICAL FIBER CABLE FOR USE IN HIGH TEMPERATURE CONTAMINATING ENVIRONMENT

摘要

An optical fiber cable which may be used in a high temperature environment for a substantial period of time without degradation of transmission includes an optical fiber core which is enclosed by an inner tubular member having suitable temperature resistant properties. A braided metallic outer tubular member encloses the inner tubular member and provides suitable mechanical protection and strength for the cable. The integrity of the cable and its performance is further enhanced by a corrugated metallic tube having a sealed periphery and being interposed between the inner and outer tubular members to prevent the ingress of liquid contaminants and to provide the cable with flexibility.