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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 15 — Jul. 25, 2005
  • pp: 5676–5681

Slit beam shaping method for femtosecond laser direct-write fabrication of symmetric waveguides in bulk glasses

M. Ams, G. D. Marshall, D. J. Spence, and M. J. Withford  »View Author Affiliations

Optics Express, Vol. 13, Issue 15, pp. 5676-5681 (2005)

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We report both theoretical and experimental results of a slit beam shaping configuration for fabricating photonic waveguides by use of femtosecond laser pulses. Most importantly we show the method supports focussing objectives with a long depth of field and allows the direct-writing of microstructures with circular cross-sections whilst employing a perpendicular writing scheme. We applied this technique to write low loss (0.39 dB/cm), single mode waveguides in phosphate glass.

© 2005 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Research Papers

Original Manuscript: May 24, 2005
Revised Manuscript: July 1, 2005
Published: July 25, 2005

Martin Ams, G. Marshall, D. Spence, and M. Withford, "Slit beam shaping method for femtosecond laser direct-write fabrication of symmetric waveguides in bulk glasses," Opt. Express 13, 5676-5681 (2005)

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