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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 492–494

Broadband infrared light-emitting patterns in optical glass by laser-induced nanostructuring of NiO-doped alkali-gallium germanosilicates

S. V. Lotarev, A. S. Lipatiev, N. V. Golubev, E. S. Ignat’eva, G. E. Malashkevich, A. V. Mudryi, Y. S. Priseko, R. Lorenzi, A. Paleari, and V. N. Sigaev  »View Author Affiliations


Optics Letters, Vol. 38, Issue 4, pp. 492-494 (2013)
http://dx.doi.org/10.1364/OL.38.000492


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Abstract

In this Letter, we show functionalization of NiO-doped 7.5Li2O·2.5Na2O·20Ga2O3·35SiO2·35GeO2 glass by space-selective nanocrystallization via exposure to the focused beam of a pulsed copper vapor laser (510.6 and 578.2 nm) at temperature close to the glass transition point (570°C). Irradiated areas drastically change their color, caused by electronic transitions of Ni2+ dopant ions, without any alteration of the optical quality. Importantly, irradiated regions acquire broadband infrared luminescence (centered at about 1400 nm and possessing 400 nm effective bandwidth) typical of Ni2+ ions in crystalline environment, and by positive change of refractive index (more than 10−3). Spectroscopic and diffractometric data of the irradiated regions indeed resemble those previously observed in thermally nanocrystallized glass, with Ni2+ ions embedded in γ-Ga2O3 nanocrystals. The results demonstrate the possibility of laser writing nanocrystallized multifunction patterns in germanosilicate glasses for the fabrication of active integrated devices.

© 2013 Optical Society of America

OCIS Codes
(130.3130) Integrated optics : Integrated optics materials
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(350.3390) Other areas of optics : Laser materials processing
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Materials

History
Original Manuscript: November 20, 2012
Revised Manuscript: January 9, 2013
Manuscript Accepted: January 12, 2013
Published: February 8, 2013

Citation
S. V. Lotarev, A. S. Lipatiev, N. V. Golubev, E. S. Ignat’eva, G. E. Malashkevich, A. V. Mudryi, Y. S. Priseko, R. Lorenzi, A. Paleari, and V. N. Sigaev, "Broadband infrared light-emitting patterns in optical glass by laser-induced nanostructuring of NiO-doped alkali-gallium germanosilicates," Opt. Lett. 38, 492-494 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-4-492

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