Ultrashort pulse point-by-point written aperiodic fiber Bragg gratings for suppression of OH-emission lines

Thorsten Goebel, Gayathri Bharathan, Martin Ams, Daniel Richter, Ria Kraemer, Maximilian Heck, Malte P. Siems, Alexander Fuerbach, Stefan Nolte

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

1 Citation (Scopus)

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.
Original languageEnglish
Title of host publicationAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation III
EditorsRamón Navarro , Roland Geyl
Place of PublicationBellingham, Washington
PublisherSPIE
Pages1-9
Number of pages9
ISBN (Electronic)9781510619661
ISBN (Print)9781510619654
DOIs
Publication statusPublished - 2018
EventSPIE Astronomical Telescopes and Instrumentation (2018) - Austin Convention Center, Austin, United States
Duration: 10 Jun 201815 Jun 2018

Publication series

NameProceedings of SPIE
Volume10706
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSPIE Astronomical Telescopes and Instrumentation (2018)
CountryUnited States
CityAustin
Period10/06/1815/06/18

Keywords

  • Fiber Bragg gratings
  • Fiber optics components
  • Laser materials processing
  • Wavelength filtering devices
  • Layer-peeling algorithm

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