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학술지 Mid-infrared (3.5-5.5μm) Spectroscopic Properties of Pr3+-doped Ge-Ga-Sb-Se Glasses and Optical Fibers
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저자
박봉제, 서홍석, 안준태, 최용규, 전덕영, 정운진
발행일
200810
출처
Journal of Luminescence, v.128 no.10, pp.1617-1622
ISSN
0022-2313
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.jlumin.2008.03.011
협약과제
08ZB1200, 정보통신 미래신기술연구사업(나노 기반 신개념 소자연구), 정태형
초록
Spectroscopic properties of Pr3+-doped selenide glasses and optical fibers were investigated for their mid-infrared applications in the spectral range of 3.5-5.5 μm. Optimal concentration of Pr3+ was decided, and sensitizers for improved spontaneous emission of Pr3+: (3F2, 3H6), 3H5?넂3H4 transition were examined. Spectral deconvolution analysis with corrected emission bands revealed effective interaction of the excited energy states. Optical fibers doped with Pr3+ were fabricated and their spectroscopic properties were measured. Pumping scheme and energy transfer mechanism of the selenide fiber were investigated and discussed for its practical use. © 2008 Elsevier B.V. All rights reserved.
키워드
Fiber, Glass, Infrared, Pr 3+, Selenide
KSP 제안 키워드
Deconvolution analysis, Effective interaction, Mid-infrared(MIR), Optical fiber, Optimal concentration, Pr 3+, Practical use, Sb-Se, Spectral deconvolution, Spectral range, Spectroscopic properties