Fiber Optics

Permanent video and computer links inside containment

fiber optics

Fiber optics allow for permanent video and computer links inside containment.  All Fiber Opticfeedthrough modules are 1.0” diameter stainless steel, with eight (8) continuous fibers per assembly.  Multi and Single mode options are available with graded index, silica core and cladding.  There are options for 62.5/125/155 micron for multi-mode and 50/125/155 micron for single-mode.  All fiber cores are protected by stainless steel monocoil flexible tubing with polyolefin heat shrink covering.  The typical pigtails range from 3 to 20 feet on either end and all pigtails are terminated with Type ST connectors at the factory.  The fiber optic feedthroughs are qualified to IEEE-317 (1983) with a service life of 40 years at 150 °F (65 °C) at 2.25x108 rads Gamma.  Seismically qualified for RRS of 10 G’s OBE, 15 G’s SSE at 2% damping with a DBE peak of 405 °F (207 °C) at 80 psig and a chemical spray of boron, sodium hydroxide and hydrazine for an initial pH of 11.0.  All parts are manufactured to ANSI/ASME NQA-1 and 10 CFR 50.


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