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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 6 — Mar. 17, 2008
  • pp: 3912–3917

Femtosecond laser-induced oriented precipitation of Ba2TiGe2O8 crystals in glass

Ye Dai, Hongliang Ma, Bo Lu, Bingkun Yu, Bin Zhu, and Jianrong Qiu  »View Author Affiliations

Optics Express, Vol. 16, Issue 6, pp. 3912-3917 (2008)

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Ba2TiGe2O8 crystals were selectively precipitated on femtosecond laser irradiated BaO-TiO2-GeO2 glass surface. Furthermore, the crystal could grow from the surface of glass to the interior towards the laser movement direction when the laser focus was continuously moved. The laser-induced crystal was confirmed to be Ba2TiGe2O8 phase by x-ray diffraction analysis and micro-Raman spectra. We also observed blue light due to double-frequency conversion of the 800nm incident laser in the crystallized regions. We propose the observed phenomena resulted from the femtosecond laser-assisted orientation of precipitation of crystal.

© 2008 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.6810) Lasers and laser optics : Thermal effects
(160.2750) Materials : Glass and other amorphous materials
(160.4330) Materials : Nonlinear optical materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 20, 2007
Revised Manuscript: January 21, 2008
Manuscript Accepted: January 22, 2008
Published: March 10, 2008

Ye Dai, Hongliang Ma, Bo Lu, Bingkun Yu, Bin Zhu, and Jianrong Qiu, "Femtosecond laser-induced oriented precipitation of Ba2TiGe2O8 crystals in glass," Opt. Express 16, 3912-3917 (2008)

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