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Abstract: Tilted diffraction gratings inscribed by femtosecond laser have been manufactured within multimode optical fibers, located 60 um below the fiber end-face. These structures have been characterized by studying their phase change distribution along the grating and their cross section. Based on the previous characterization, the angles of diffraction orders have been modeled with the beam propagation method in function of the tilt angle. Resulting far field patterns exhibit a good order filter performance with several applications such as wavelength demultiplexing or displacement sensing.
Authorship: Pallarés-Aldeiturriaga D., Rodriguez-Cobo L., Lomer M., Lopez-Higuera J.,
Fuente: Optics and Laser Technology, 2019, 119, 105637
Publisher: Elsevier
Publication date: 01/11/2019
No. of pages: 4
Publication type: Article
DOI: 10.1016/j.optlastec.2019.105637
ISSN: 0030-3992
Spanish project: TEC2016-76021-C2-2-R
Publication Url: https://doi.org/10.1016/j.optlastec.2019.105637
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DAVID PALLARES ALDEITURRIAGA
LUIS RODRIGUEZ COBO
MAURO MATIAS LOMER BARBOZA
JOSE MIGUEL LOPEZ HIGUERA
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