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Proceedings Paper

High-speed fabrication of optical waveguides inside glasses using a high repetition-rate fiber CPA system
Author(s): Matthias Will; Jonas Burghoff; Jens Limpert; Thomas Schreiber; Stefan Nolte; Andreas Tuennermann
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Paper Abstract

Using femtosecond laser pulses it is possible to produce true three-dimensional photonic structures in different glasses and crystalline media. This direct writing process offers great flexibility, however, it has the drawback of a comparatively slow processing speed. In this presentation we will demonstrate a possibility to overcome this limitation. Based on a fiber based CPA system producing 300 fs pulses with pulse energies of up to 1 μJ and repetition rates in the MHz range we fabricated low loss waveguides (propagation losses 0.5 dB/cm) inside silicate glasses at high writing speeds up to 100 mm/s, limited only by the positioning system. The achieved refractive index changes are > 0.01. The influence of the processing parameters (writing speed, pulse energy) on the induced changes and the waveguiding properties will be discussed in detail.

Paper Details

Date Published: 15 July 2004
PDF: 7 pages
Proc. SPIE 5339, Photon Processing in Microelectronics and Photonics III, (15 July 2004); doi: 10.1117/12.537370
Show Author Affiliations
Matthias Will, Friedrich-Schiller-Univ. Jena (Germany)
Jonas Burghoff, Friedrich-Schiller-Univ. Jena (Germany)
Jens Limpert, Friedrich-Schiller-Univ. Jena (Germany)
Thomas Schreiber, Friedrich-Schiller-Univ. Jena (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Andreas Tuennermann, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 5339:
Photon Processing in Microelectronics and Photonics III
Jan J. Dubowski; David B. Geohegan; Frank Träger; Peter R. Herman; Jim Fieret; Alberto Pique; Tatsuo Okada; Friedrich G. Bachmann; Willem Hoving; Kunihiko Washio; Xianfan Xu, Editor(s)

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