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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 19 — Sep. 18, 2006
  • pp: 8765–8771

Refractive index modification in glass by laser backwriting ablation of metals

R. Rangel-Rojo, A. Castelo, M.T. Flores-Arias, C. Gómez-Reino, C.I. López-Gascón, and G.F. de la Fuente  »View Author Affiliations

Optics Express, Vol. 14, Issue 19, pp. 8765-8771 (2006)

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We report the use of laser ablation of metal targets onto a glass substrate as a way of producing waveguiding devices. In the geometry employed, the nanosecond pulses used for the ablation pass through the glass substrate, and are focused on the metal surface, which is located in close proximity with the substrate. We present measurements of the refractive index profile obtained with this technique, and present a discussion of the physical mechanisms that produce the profiles measured.

© 2006 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Optical Devices

Original Manuscript: May 11, 2006
Revised Manuscript: August 15, 2006
Manuscript Accepted: August 20, 2006
Published: September 18, 2006

Raul Rangel-Rojo, A. Castelo, M. T. Flores-Arias, C. Gómez-Reino, C. I. López-Gascón, and G. F. de la Fuente, "Refractive index modification in glass by laser backwriting ablation of metals," Opt. Express 14, 8765-8771 (2006)

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  1. see for example: S. I. Najafi, "Introduction to Glass Integrated Optics," (Artech House Inc., Massachusetts, 1992).
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  7. A. Castelo, D. Nieto, M. T. Flores-Arias, C. Gómez-Reino, X. de la Fuente, "Laser backwriting process on glass via ablation of metal targets," in Lasers and Applications, K. M. Abramski, A. Lapucci, and E. F. Plinski, eds., Proc. SPIE 5958 600-607 (2005).
  8. J. Bohandy, B. F. Kim, and F. J. Adrian, "Metal deposition from a supported metal film using an excimer laser," J. Appl. Phys. 60, 1538-1539 (2006).
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