Emission characteristics of Ge-Ga-S glasses doped with Tm3+/Ho3+
SCIE
SCOPUS
- Title
- Emission characteristics of Ge-Ga-S glasses doped with Tm3+/Ho3+
- Authors
- Kim, YS; Cho, WY; Shin, YB; Heo, J
- Date Issued
- 1996-08
- Publisher
- ELSEVIER SCIENCE BV
- Abstract
- Ge25Ga5S70(at.%) glasses doped with Tm3+ and Ho3+ were prepared and their emission characteristics were evaluated with an emphasis on the 2.02 mu m fluorescence from Ho3+:(I7I)-I-5-I-5-->(8) transition. With constant Ho3+ concentration, intensities of 2.02 mu m emission through the excitation of Tm3+ at 798 nm increased with Tm3+ content which indicates efficient energy transfer from Tm3+ to Ho3+. Rates of energy transfer also increased with Ho3+ concentration but competed against the upconversion phenomenon both in Tm3+ and Ho3+.
- Keywords
- CONTINUOUS-WAVE OSCILLATION; FLUORIDE FIBER LASER; HIGH-EFFICIENCY; MU-M; TM-3+; SPECTROSCOPY; TM
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/21473
- DOI
- 10.1016/0022-3093(96)00349-3
- ISSN
- 0022-3093
- Article Type
- Article
- Citation
- JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 203, page. 176 - 181, 1996-08
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