Variable period change of femtosecond written fiber Bragg gratings with a deformed wavefront
1 Institute of Applied Physics, Abbe Center of Photonics, Friedrich-Schiller-University Jena, Max-Wien-Platz 1, Oxford D-07743, Jena, Germany.
2 Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Strasse 7, Oxford D-07745, Jena, Germany
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We report on the inscription of fiber Bragg gratings using ultrashort laser pulses and the phase mask technique. By deforming the wavefront of the inscription laser a tuned reflection wavelength as well as broadband chirped gratings could be realized. A theoretical analysis and experimental results will be discussed.
© Owned by the authors, published by EDP Sciences, 2013
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