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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 22 — Oct. 31, 2005
  • pp: 8980–8992

Effect of Cerium codoping on Er:BaY2F8 crystals

Elisa Sani, Alessandra Toncelli, and Mauro Tonelli  »View Author Affiliations

Optics Express, Vol. 13, Issue 22, pp. 8980-8992 (2005)

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We present the Erbium 4I11/2 and 4I13/2 complete polarized spectroscopic investigation on a series of Er3+,Ce3+:BaY2F8 single crystals as a function of Cerium concentration. The main results of room temperature lifetime investigation show that the 4I13/2 lifetime reduces from 15.6 ms to 10 ms, the 4I11/2 lifetime reduces from 8.3 ms to 0.2 ms and 4S3/2 lifetime reduces from 420 to 110 μs when adding 4% Ce-codoping. Moreover, in the same experimental conditions, the fluorescence intensity from 4I13/2 increases by four times when adding 4%Ce, and the intensity of the 3 μm 4I11/24I13/2 transition becomes undetectable. The experimental data are interpreted with a rate equation model. The obtained results could be interesting in perspective of obtaining a low-threshold 1.5 μm Er laser.

© 2005 Optical Society of America

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(160.3380) Materials : Laser materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Research Papers

Original Manuscript: September 15, 2005
Revised Manuscript: October 21, 2005
Published: October 31, 2005

Elisa Sani, Alessandra Toncelli, and Mauro Tonelli, "Effect of Cerium codoping on Er:BaY2F8 crystals," Opt. Express 13, 8980-8992 (2005)

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