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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 19 — Sep. 23, 2013
  • pp: 22043–22052

White emission of Yb2+:fluoride glasses efficiently excited with near-UV light

Hideyuki Okamoto, Ken Kasuga, Yoshinori Kubota, Natsuya Nishimura, Hiromi Kawamoto, Koichi Miyauchi, Yasuhiko Shimotsuma, and Kiyotaka Miura  »View Author Affiliations

Optics Express, Vol. 21, Issue 19, pp. 22043-22052 (2013)

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Various Yb2+-containing fluoride glasses melting under a reductive atmosphere were prepared. The brightest white light emission was observed for an AlF3-based fluoride glass not containing Hf or Zr. The largest full width at half maximum of the white emission spectra was 202 nm. In addition, incorporation of chloride into the AlF3-based glass enabled efficient excitation with near-ultraviolet light corresponding to a GaN bandgap of 3.4 eV and the maximum internal quantum efficiency of Yb2+: AlF3-based fluoride glass was 42%.

© 2013 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials

ToC Category:

Original Manuscript: July 25, 2013
Revised Manuscript: August 30, 2013
Manuscript Accepted: August 30, 2013
Published: September 11, 2013

Hideyuki Okamoto, Ken Kasuga, Yoshinori Kubota, Natsuya Nishimura, Hiromi Kawamoto, Koichi Miyauchi, Yasuhiko Shimotsuma, and Kiyotaka Miura, "White emission of Yb2+:fluoride glasses efficiently excited with near-UV light," Opt. Express 21, 22043-22052 (2013)

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