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Proceedings Paper

Stark energy split characteristics of ytterbium ion in glasses
Author(s): Chun Jiang; Hua Liu; QingJi Zeng; Yun Cai Wang; Junzhou Zhang; Fuxi Gan
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Paper Abstract

The stark energy level split of (2F7/2, 2F5/2) of ytterbium ion in glasses are derived from room temperature absorption and emission spectra. It is shown that the stark energy split increases as the base varies from phosphate to tellurite glasses, and the first and second stark energy levels lay in range of 150 - 250 cm-1, 350 - 450 cm-1 over ground, the first over ground has smaller energy and thus larger Boltzmann heat effect and is difficult in lasing at this terminal level. The second level is 350 cm-1 over ground and can be considered as the terminal level whose lasing wavelength varies from 1000 nm to 1020 nm. The partition function ratio of the upper and lower levels of ytterbium ion is calculated and more accurate reciprocity equation by which emission cross section is determined from absorption spectra is obtained from stark energy levels.

Paper Details

Date Published: 13 April 2000
PDF: 6 pages
Proc. SPIE 3942, Rare-Earth-Doped Materials and Devices IV, (13 April 2000); doi: 10.1117/12.382875
Show Author Affiliations
Chun Jiang, Shanghai Jiaotong Univ. (China)
Hua Liu, Shanghai Jiaotong Univ. (China)
QingJi Zeng, Shanghai Jiaotong Univ. (China)
Yun Cai Wang, Shanghai Jiaotong Univ. (China)
Junzhou Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Fuxi Gan, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3942:
Rare-Earth-Doped Materials and Devices IV
Shibin Jiang, Editor(s)

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