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Proceedings Paper

Ultrashort pulse point-by-point written aperiodic fiber Bragg gratings for suppression of OH-emission lines
Author(s): Thorsten A. Goebel; Gayathri Bharathan; Martin Ams; Daniel Richter; Ria G. Krämer; Maximilian Heck; Malte P. Siems; Alex Fuerbach; Stefan Nolte
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Paper Abstract

We demonstrate the direct inscription of aperiodic fiber Bragg gratings (AFBGs) for their use as in-fiber filter elements. The modifications are induced by focusing ultrashort laser pulses with an oil-immersion objective into the fiber core. We apply an advanced point-by-point inscription technique for flexible period adaptation. The fabricated AFBGs are targeted on the suppression of 10 lines in a single grating and simulations based on the specific design show excellent agreement. Furthermore, we discuss the application in astronomy as filters for the suppression of OH emission lines.

Paper Details

Date Published: 10 July 2018
PDF: 9 pages
Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107066N (10 July 2018); doi: 10.1117/12.2318864
Show Author Affiliations
Thorsten A. Goebel, Friedrich-Schiller-Univ. Jena (Germany)
Max Planck Institute for the Science of Light (Germany)
Gayathri Bharathan, Macquarie Univ. (Australia)
Martin Ams, Macquarie Univ. (Australia)
Daniel Richter, Friedrich-Schiller-Univ. Jena (Germany)
Ria G. Krämer, Friedrich-Schiller-Univ. Jena (Germany)
Maximilian Heck, Friedrich-Schiller-Univ. Jena (Germany)
Malte P. Siems, Friedrich-Schiller-Univ. Jena (Germany)
Alex Fuerbach, Macquarie Univ. (Australia)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)

Published in SPIE Proceedings Vol. 10706:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III
Ramón Navarro; Roland Geyl, Editor(s)

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