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Flexible femtosecond inscription of fiber Bragg gratings by an optimized deformable mirror

 
: Goebel, T.A.; Voigtländer, C.; Krämer, R.G.; Richter, D.; Heck, M.; Siems, M.P.; Matzdorf, C.; Reinlein, C.; Appelfelder, M.; Schreiber, T.; Thomas, J.U.; Tünnermann, A.; Nolte, S.

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Optics Letters 42 (2017), No.20, pp.4215-4218
ISSN: 0146-9592
Bundesministerium für Bildung und Forschung BMBF
13N13654
Deutsche Forschungsgemeinschaft DFG
GRK 2101
English
Journal Article
Fraunhofer IOF ()

Abstract
The period of fiber Bragg gratings is adapted by shaping the wavefronts of ultrashort laser pulses applied in a phase mask inscription technique. A specially designed deformable mirror, based on a dielectric substrate to withstand high peak powers, is utilized to deform the wavefront. A shift of about 11 nm is demonstrated for a Bragg wavelength around 1550 nm.

: http://publica.fraunhofer.de/documents/N-473758.html