UV-Writing of a Superstructure Waveguide Bragg Grating in a Planar Polymer Substrate

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ID: 117221
2017
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Abstract
We report on the fabrication of a superstructure Bragg grating in a planar polymer substrate. Based on a twofold illumination process an integrated waveguide and a superstructure Bragg grating are subsequently written into bulk polymethylmethacrylate by UV-induced refractive index modification. The measured reflected spectrum of the superstructure Bragg grating exhibits multiple reflection peaks and is in good agreement with performed standard simulations based on the beam propagation method and coupled mode theory algorithms. By applying a varying tensile load we determine the strain sensitivity to be about 1.10 pm/ĀµĪµ and demonstrate the applicability of the superstructure Bragg grating for strain measurements with redundant sensing signals.
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hellmann2017sensorsuv-writing Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Manuel Rosenberger,Bernhard Schmauss,Ralf Hellmann;Manuel Rosenberger;Bernhard Schmauss;Ralf Hellmann;
Journal sensors
Year 2017
DOI 10.3390/s17091964
URL
https://sciprofiles.com/publication/view/f063dfc6a088d4eca4160ac891cea681
Keywords
polymer excimer laser integrated waveguide phase mask planar bragg grating

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