Gamma radiation effects on erbium-doped fiber in superfluorescent fiber source |
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Affiliation: | 1. Division of Physics, School of Advanced Sciences, VIT University, Chennai 600 127, India;2. MRDL, PG and Research Department of Physics, Pachaiyappa''s College, Chennai 600 030, India;3. Sri Sankara Arts and Science College (Autonomous), Enathur, Kancheepuram 631 561, India |
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Abstract: | The radiation effects of two erbium-doped superfluorescent fiber sources (SFSs) are studied in gamma ray environment. Two types of output spectrum profile (twin-peaked spectrum and single-peaked spectrum) of SFSs are constructed by different configuration and parameters. The dependence of radiation-induced power loss and spectra evolution on the dosage is revealed. The results show that the amplitudes of radiation-induced power decrease are quite similar in two SFSs. But the mean wavelength variation of the single-peaked spectrum SFS is approximately 25 times smaller than that of the twin-peaked spectrum SFS. Compared to the twin-peaked spectrum SFS, the single-peaked spectrum SFS presents better radiation tolerance, which should have potential advantages in space applications. |
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Keywords: | Erbium-doped fiber Superfluorescent fiber source Gamma radiation effects Mean wavelength |
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