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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: George I. Stegeman
  • Vol. 22, Iss. 10 — Oct. 1, 2005
  • pp: 2250–2256

Thulium-sensitized neodymium in KPb2Cl5 for mid-infrared laser development

A. G. Bluiett, N. J. Condon, S. O'Connor, S. R. Bowman, Michael Logie, and Joseph Ganem  »View Author Affiliations

JOSA B, Vol. 22, Issue 10, pp. 2250-2256 (2005)

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The energy transfer from Tm3+ to Nd3+ was explored in Tm,Nd:KPb_2Cl_5 for sensitization of a possible 5 µm Nd laser. Evidence for an efficient energy transfer from Tm3+ to Nd3+ under 785 nm excitation was obtained through monitoring changes in (i) the Tm^3+ decay behavior and (ii) the 5 µm emission intensity arising from the 4I_11/2-->4I_9/24 transition of Nd3+ ions. The quantum efficiency of the 5 µm emission from Nd3+ was estimated to be approximately four times greater in Tm,Nd:KPb_2Cl_5 compared with Nd:KPb2Cl5. Sensitization of Nd3+ with Tm3+ in KPb_2Cl_5 promises a significant increase in the maximum achievable slope efficiency of a potential 5 µm Nd laser.

© 2005 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(160.3380) Materials : Laser materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:

A. G. Bluiett, N. J. Condon, S. O'Connor, S. R. Bowman, Michael Logie, and Joseph Ganem, "Thulium-sensitized neodymium in KPb2Cl5 for mid-infrared laser development," J. Opt. Soc. Am. B 22, 2250-2256 (2005)

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