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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 9, Iss. 9 — Sep. 10, 2011
  • pp: 091602–

Temperature effect on emission spectra and fluorescence lifetime of the 4I13=2 state of Er3+-doped Gd2SiO5 crystal

Yuchong Ding, Guangjun Zhao, Yosuke Nakai, and Taiju Tsuboi  »View Author Affiliations

Chinese Optics Letters, Vol. 9, Issue 9, pp. 091602- (2011)

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By measuring the emission spectra and the fluorescence lifetime of the 4I13=2 state of Er3+ ions in Gd2SiO5 crystal at different temperatures, the effects of temperature on the spectra and the lifetime of the 4I13=2 state are investigated. When the temperature increases, the emission line width for the 4I13=2 -> 4I15=2 transition is broadened, and the main emission lines at 1 596, 1 609, and 1 644 nm shifte toward shorter wavelengths. The measured lifetime of the 4I13=2 state decreases from 13.2 to 8.4 ms with temperature increase from 13 to 300 K, which is mainly due to the temperature dependence of multiphonon relaxation between the 4I13=2 and 4I15=2 states and the changing population distribution among the Stark levels within the 4I13=2 state. The experimental results imply that low temperature condition is better for the ~1.6- \mu m laser output.

© 2011 Chinese Optics Letters

OCIS Codes
(160.3380) Materials : Laser materials
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

Yuchong Ding, Guangjun Zhao, Yosuke Nakai, and Taiju Tsuboi, "Temperature effect on emission spectra and fluorescence lifetime of the 4I13=2 state of Er3+-doped Gd2SiO5 crystal," Chin. Opt. Lett. 9, 091602- (2011)

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