Spectroscopic properties of La 3 Ga 5 SiO 14 :Er 3+  (1%) crystals | Zendy

Wang Zeng M. | Zendy; Liu Ying C. | Zendy; Yin Yan Sh. | Zendy; Yuan Duo R. | Zendy

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Spectroscopic properties of La 3 Ga 5 SiO 14 :Er 3+ (1%) crystals

Author(s) -

Wang Zeng M.,

Liu Ying C.,

Yin Yan Sh.,

Yuan Duo R.

Publication year - 2006

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.200610735

Subject(s) - fluorescence , erbium , branching (polymer chemistry) , radiative transfer , absorption (acoustics) , laser , czochralski method , absorption spectroscopy , analytical chemistry (journal) , materials science , chemistry , doping , branching fraction , crystallography , optics , crystal growth , atomic physics , physics , optoelectronics , chromatography , composite material

Single crystals of Erbium (Er) doped La 3 Ga 5 SiO 14 (LGS) have been grown along c‐axis by using the Czochralski method. The absorption and fluorescence spectra of LGS: Er 3+ single crystals have been measured and analyzed according to the Judd‐Ofelt theory. When applied, the following spectral parameters have been obtained: intensity parameters Ω t , Ω 2 = 2.741674×10 ‐20 cm 2 , Ω 4 = 0.66934×10 ‐20 cm 2 and Ω 6 = 0.592591×10 ‐20 cm 2 , radiative transition probabilities A J,J” , P J,J” . The radiative lifetime of levels 4 I 13/2 , 4 H 9/2 , 4 S 3/2 are 11.333ms, 0.447ms and 0.704ms, respectively. The fluorescence branching ratios and the integrated emission cross sections are also calculated. The results suggest that LGS: Er crystals have potential applications as a laser material. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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