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Femtosecond laser writing of optical waveguides using astigmatic-elliptical beams produced by a phase-only spatial light modulator

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7 Author(s)
de la Cruz, A.R. ; Laser Process. Group, Inst. de Opt.-CSIC, Madrid, Spain ; Ferrer, A. ; Galvan-Sosa, M. ; Puerto, D.
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In this work, we have analysed the feasibility of producing waveguides by direct fs-laser writing using astigmatic-elliptical beams generated with a SLM. As a consequence of the beam astigmatism two foci laying in orthogonal planes are produced, whose separation along the beam propagation axis and length-to-width aspect ratio can be controlled through the amount of astigmatic deformation of the wavefront.

Published in:

Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on

Date of Conference:

14-19 June 2009