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Proceedings Paper

Fs laser induced apodised Bragg waveguides in fused silica
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Paper Abstract

We present apodised Bragg waveguides inscribed in fused silica using a high repetition rate fs laser system. By varying the modulation with a pulse picker, the mean refractive index over the grating length could be kept constant, while the grating strength is varied. Thus, Bragg waveguides with zero crossing Gaussian modulation profile could be demonstrated. The side-lobes were suppressed by about 10 dB compared to a uniform grating.

Paper Details

Date Published: 11 February 2011
PDF: 7 pages
Proc. SPIE 7925, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI, 79250Y (11 February 2011); doi: 10.1117/12.886306
Show Author Affiliations
Christian Voigtländer, Friedrich-Schiller-Univ. Jena (Germany)
Peter Zeil, Royal Institute of Technology (Sweden)
Jens Thomas, Friedrich-Schiller-Univ. Jena (Germany)
Martin Ams, Macquarie Univ. (Australia)
Robert J. Williams, Macquarie Univ. (Australia)
Michael J. Withford, Macquarie Univ. (Australia)
Andreas Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)


Published in SPIE Proceedings Vol. 7925:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI
Alexander Heisterkamp; Joseph Neev; Stefan Nolte, Editor(s)

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