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Writing Bragg Gratings in Multicore Fibers

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Published on: April 20, 2016

Discrete nonplanar reflections from an ultrashort pulse written volume Bragg grating

Daniel Richter, Christian Voigtländer, Ria G Krämer

|June 16, 2015

Abstract:

In this Letter, we present a direct writing technique for two-dimensional periodic volume Bragg gratings (VBGs) in fused silica based on the phase mask technology, ultrashort laser pulses, and three-beam interference. An algorithm to predict the grating pattern and its diffraction behavior under collimated, spectral broad illumination is developed. The predicted data are in good agreement with the measurements.

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