Theory of radiation-induced absorption in optical fibers in space environment

ZHANG Ben; LI Rong-yu; YU Zhong-xing; WANG Jiong; WEI Zheng-hui

Treating radiation-induced absorption as superposition of process of excitation and response, a new model is proposed to describe the radiation-induced absorption in optical fibers in space environment using the data obtained in the ground-based laboratory.There are two kinds of most important radiation in space environment: background radiation which is stable and low radiation rate and solar flare which is paroxysmal and high radiation rate.Considering the different characteristics of background radiation and solar flare, the exciting function is treated in different ways, resulting in different models.Synthesizing the different models, a new theory is obta ined out to describe the loss of optical fiber in space environment.

Corresponding author: LI Rong-yu, ryli@sjtu.edu.cn;

1. National Laboratory on Local Fiber-Optical Communication Networks Advanced Optical Communication System, Institute of Optical Fiber Technology, Shanghai Jiaotong University, Shanghai 200030, China

Received Date: 2004-03-24

Accepted Date: 2004-06-16

Available Online: 2005-03-25

Abstract: Treating radiation-induced absorption as superposition of process of excitation and response, a new model is proposed to describe the radiation-induced absorption in optical fibers in space environment using the data obtained in the ground-based laboratory.There are two kinds of most important radiation in space environment: background radiation which is stable and low radiation rate and solar flare which is paroxysmal and high radiation rate.Considering the different characteristics of background radiation and solar flare, the exciting function is treated in different ways, resulting in different models.Synthesizing the different models, a new theory is obta ined out to describe the loss of optical fiber in space environment.

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Reference (8)

[1]	PFEFFER R L.Damage center formation in SiO2 thin films by fast electron irradiation[J].J A P,1985,57:5176～5180.
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[4]	FRIEBELE E J,GINGERICH M E,GRISCOM D L.Survivability of optical fibers in space[J].SPIE,1993,1791:177～188.
[5]	OTT M N.Radiation effects data on commercially available optical fiber:database summary[A].Radiation Effects Data Workshop[C].Phoenix:IEEE,2002.24～31.
[6]	王家龙.太阳耀斑的分类[J].天文学进展,1994,12(1):11～19.
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[1]	PFEFFER R L.Damage center formation in SiO2 thin films by fast electron irradiation[J].J A P,1985,57:5176～5180.
[2]	FRIEBELE E J,LONG K J, ASKINS C G.Overview of radiationeffects in fiber optics[J].SPIE, 1985,541:70～88.
[3]	LIU D T H,JOHNSTON A R.Theory of radiation-induced absorption in optical fibers[J].Opt Lett,1994,19(8:548～550.
[4]	FRIEBELE E J,GINGERICH M E,GRISCOM D L.Survivability of optical fibers in space[J].SPIE,1993,1791:177～188.
[5]	OTT M N.Radiation effects data on commercially available optical fiber:database summary[A].Radiation Effects Data Workshop[C].Phoenix:IEEE,2002.24～31.
[6]	王家龙.太阳耀斑的分类[J].天文学进展,1994,12(1):11～19.
[7]	OHKI K,TAKAKURA T,TSUNETA S.General aspects of hard X-ray flares observed by HINOTORI gradual burst and impulsive burst[J].Solar Physics,1983,86:301～312.
[8]	OTT M,FRIEDBERG P.Technology validation of optical fiber cables for space flight environments[J].SPIE,2000,4216:206～217.

Theory of radiation-induced absorption in optical fibers in space environment

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References

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