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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 1055–1057

High values of gain cross section and luminescence quantum efficiency in O H -free Ti 3 + -doped low-silica calcium aluminosilicate glass

S. M. Lima, J. R. Silva, L. H.C. Andrade, A. Novatski, A. N. Medina, A. C. Bento, M. L. Baesso, Y. Guyot, and G. Boulon  »View Author Affiliations


Optics Letters, Vol. 35, Issue 7, pp. 1055-1057 (2010)
http://dx.doi.org/10.1364/OL.35.001055


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Abstract

We recently reported that Ti 3 + -doped low-silica calcium aluminosilicate glass presents long luminescence lifetime ( 170 μ s ) and broad emission band ( 190 nm ) shifted toward the visible region when compared with those from Ti 3 + :sapphire single crystal and Ti 3 + -doped glasses [ Phys. Rev. Lett. 100, 027402 (2008) ]. Here we demonstrate that this glass also shows high values of both gain cross section ( 4.7 × 10 19 cm 2 ) and luminescence quantum efficiency ( 70 % ) . By comparing these values with those for Ti 3 + :sapphire crystal, we can conclude that the studied Ti 3 + -doped glass is a promising system for tunable solid-state lasers.

© 2010 Optical Society of America

OCIS Codes
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(140.6810) Lasers and laser optics : Thermal effects
(160.2750) Materials : Glass and other amorphous materials
(160.3380) Materials : Laser materials
(160.4760) Materials : Optical properties

ToC Category:
Materials

History
Original Manuscript: December 14, 2009
Manuscript Accepted: February 9, 2010
Published: March 31, 2010

Citation
S. M. Lima, J. R. Silva, L. H. C. Andrade, A. Novatski, A. N. Medina, A. C. Bento, M. L. Baesso, Y. Guyot, and G. Boulon, "High values of gain cross section and luminescence quantum efficiency in OH-free Ti3+-doped low-silica calcium aluminosilicate glass," Opt. Lett. 35, 1055-1057 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-7-1055

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