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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 33 — Nov. 20, 1998
  • pp: 7805–7808

Diode-Pumped Violet Energy Upconversion in BaF2:Er3+

Darayas N. Patel, Rami B. Reddy, and Shelia K. Nash-Stevenson  »View Author Affiliations


Applied Optics, Vol. 37, Issue 33, pp. 7805-7808 (1998)
http://dx.doi.org/10.1364/AO.37.007805


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Abstract

Under 805-nm diode-laser excitation we detected intense upconversion signals at 410, 380, and 275 nm in BaF<sub>2</sub>:Er<sup>3+</sup>. Energy upconversion schemes and efficiencies are discussed in detail. Intensity parameters of Er<sup>3+</sup> in BaF<sub>2</sub> were derived as Ω<sub>2</sub> = 1.048 ∓ 0.117 × 10<sup>−20</sup> cm<sup>2</sup>, Ω<sub>4</sub> = 1.478 ∓ 0.180 × 10<sup>−20</sup> cm<sup>2</sup>, and Ω<sub>6</sub> = 1.009 ∓ 0.127 × 10<sup>−20</sup> cm<sup>2</sup>.

© 1998 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.3220) Materials : Ionic crystals
(160.3380) Materials : Laser materials
(190.7220) Nonlinear optics : Upconversion
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6410) Spectroscopy : Spectroscopy, multiphoton

Citation
Darayas N. Patel, Rami B. Reddy, and Shelia K. Nash-Stevenson, "Diode-Pumped Violet Energy Upconversion in BaF2:Er3+," Appl. Opt. 37, 7805-7808 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-33-7805


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