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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 2, Iss. 2 — Feb. 10, 2004
  • pp: 102–105

Temperature effect on emission lines and fluorescence lifetime of the 4F3/2 state of Nd:YVO4

Yanli Mao, Mingju Huang, and Changshun Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 2, Issue 2, pp. 102-105 (2004)

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By measuring the absorption and fluorescence spectra and the fluorescence lifetime of ^{4}F_{3/2} state of Nd^{3+} ions in YVO_{4} (2 at.-{\%}) crystal at different temperature, the effects of temperature on the spectra and the lifetime of ^{4}F_{3/2} state have been investigated. As the temperature is increased, the line width of the ^{4}F_{3/2}-->^4I_{11/2} transitions is found to increase and the spectral line toward the longer wavelength, which are duo to the ion-phonon interaction. The variation fluorescence lifetime of the ^{4}F_{3/2} state of Nd:YVO_{4} is found to be anomalous in the measured range 8-300 K. It is about 81 us at room temperature and decreases to 30 us at 8 K. The experimental results are explained by ascribing to the thermal mixing between the two Stark levels of ^{4}F_{3/2} state with different lifetime.

© 2005 Chinese Optics Letters

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

Yanli Mao, Mingju Huang, and Changshun Wang, "Temperature effect on emission lines and fluorescence lifetime of the 4F3/2 state of Nd:YVO4," Chin. Opt. Lett. 2, 102-105 (2004)

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