Radiation sensitivity of fiber optic couplers

Henning Henschel; Otmar Koehn; Hans Ulrich Schmidt

doi:10.1117/12.141161

25 February 1993 Radiation sensitivity of fiber optic couplers

Henning Henschel, Otmar Koehn, Hans Ulrich Schmidt

Proceedings Volume 1791, Optical Materials Reliability and Testing: Benign and Adverse Environments; (1993) https://doi.org/10.1117/12.141161
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

In order to estimate the radiation sensitivity of a data transmission system based on optical fibers, the radiation-induced loss of other included passive components has to be known, too. We have irradiated (at room temperature) a variety of couplers made by different manufacturers at a ⁶⁰Co source with a dose rate of 1300 rad(SiO₂)/min up to a total dose of 10⁶ rad(SiO_2$. Most of them were fabricated by the Fused Biconical Taper process of 200/280 micrometers multimode step index fibers (tested at (lambda) equals 850 nm), and of 10/125 micrometers single mode fibers (tested at (lambda) equals 1300 nm and (lambda) equals 1550 nm). Couplers with 50/125 micrometers gradient index fibers (tested at (lambda) equals 850 nm and (lambda) equals 1300 nm) were also among them. The measured coupler inherent losses were between about 0.01 dB (fused coupler, high OH MM step index fibers, (lambda) equals 865 nm) and about 50 dB (coupler made of GRIN lenses, (lambda) equals 865 nm).

Citation Download Citation

Henning Henschel, Otmar Koehn, and Hans Ulrich Schmidt "Radiation sensitivity of fiber optic couplers", Proc. SPIE 1791, Optical Materials Reliability and Testing: Benign and Adverse Environments, (25 February 1993); https://doi.org/10.1117/12.141161

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