Fabrication of precise aperiodic multichannel fibre Bragg grating filters for spectral line suppression in hydrogenated standard telecommunications fibre

Adenowo Gbadebo; Elena Turitsyna; John A Williams

doi:10.1364/OE.26.001315

Fabrication of precise aperiodic multichannel fibre Bragg grating filters for spectral line suppression in hydrogenated standard telecommunications fibre

Adenowo Gbadebo, Elena Turitsyna, John A Williams

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate the design and fabrication of multichannel fibre Bragg gratings (FBGs) with aperiodic channel spacings. These will be suitable for the suppression of specific spectral lines such as OH emission lines in the near infrared (NIR) which degrade ground based astronomical imaging. We discuss the design process used to meet a given specification and the fabrication challenges that can give rise to errors in the final manufactured device. We propose and demonstrate solutions to meet these challenges.

Original language	English
Pages (from-to)	1315-1323
Number of pages	9
Journal	Optics Express
Volume	26
Issue number	2
Early online date	12 Jan 2018
DOIs	https://doi.org/10.1364/OE.26.001315
Publication status	Published - 12 Jan 2018

Bibliographical note

Keywords

Fiber Bragg gratings
photosensitivity
Astronomy and astrophysics

Access to Document

10.1364/OE.26.001315

Fabrication of precise aperiodic multichannel
© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
Accepted author manuscript, 558 KB

https://www.osapublishing.org/oe/abstract.cfm?uri=oe-26-2-1315Licence: Other

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abstract = "We demonstrate the design and fabrication of multichannel fibre Bragg gratings (FBGs) with aperiodic channel spacings. These will be suitable for the suppression of specific spectral lines such as OH emission lines in the near infrared (NIR) which degrade ground based astronomical imaging. We discuss the design process used to meet a given specification and the fabrication challenges that can give rise to errors in the final manufactured device. We propose and demonstrate solutions to meet these challenges.",

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AU - Turitsyna, Elena

AU - Williams, John A

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