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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3285–3290

Near-field optical and micro-luminescence investigations of femtosecond laser micro-structured Nd:YAG crystals.

J. Lamela, A. Ródenas, D. Jaque, F. Jaque, G.A. Torchia, C. Mendez, and L. Roso  »View Author Affiliations


Optics Express, Vol. 15, Issue 6, pp. 3285-3290 (2007)
http://dx.doi.org/10.1364/OE.15.003285


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Abstract

We report on the in-depth micro-modifications induced by femtosecond laser ablation in Nd:YAG crystals. Near Field Optical experiments have revealed that, below the ablated volume, a permanent change in the Nd:YAG reflectivity, extending parallel to the irradiation direction, has been induced. Micro-luminescence experiments have provided experimental evidence that these permanent changes in the surface reflectivity are accompanied by strong changes in the luminescence properties of Nd3+ ions revealing relevant micro structural modifications in the Nd:YAG system.

© 2007 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(160.5690) Materials : Rare-earth-doped materials
(180.5810) Microscopy : Scanning microscopy
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: December 19, 2006
Revised Manuscript: March 1, 2007
Manuscript Accepted: March 2, 2007
Published: March 19, 2007

Citation
J. Lamela, A. Ródenas, D. Jaque, F. Jaque, G. A. Torchia, C. Mendez, and L. Roso, "field optical and micro-luminescence investigations of femtosecond laser micro-structured Nd:YAG crystals," Opt. Express 15, 3285-3290 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-6-3285


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References

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