Second generation OH suppression filters using multicore fibres

R. Haynes, T. A. Birks, J. Bland-Hawthorn, J. L. Cruz, A. Diez, S. C. Ellis, D. Haynes, R. G. Krämer, B. J. Mangan, S. Min, D. F. Murphy, S. Nolte, J. C. Olaya, J. U. Thomas, C. Q. Trinh, A. Tünnermann, Christian Voigtländer

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

Abstract

Ground based near-infrared observations have long been plagued by poor sensitivity when compared to visible observations as a result of the bright narrow line emission from atmospheric OH molecules. The GNOSIS instrument recently commissioned at the Australian Astronomical Observatory uses Photonic Lanterns in combination with individually printed single mode fibre Bragg gratings to filter out the brightest OH-emission lines between 1.47 and 1.70μm. GNOSIS, reported in a separate paper in this conference, demonstrates excellent OH-suppression, providing very "clean" filtering of the lines. It represents a major step forward in the goal to improve the sensitivity of ground based near-infrared observation to that possible at visible wavelengths, however, the filter units are relatively bulky and costly to produce. The 2nd generation fibre OH-Suppression filters based on multicore fibres are currently under development. The development aims to produce high quality, cost effective, compact and robust OH-Suppression units in a single optical fibre with numerous isolated single mode cores that replicate the function and performance of the current generation of "conventional" photonic lantern based devices. In this paper we present the early results from the multicore fibre development and multicore fibre Bragg grating imprinting process.

LanguageEnglish
Title of host publicationModern Technologies in Space- and Ground-Based Telescopes and Instrumentation II
EditorsRamón Navarro, Colin R. Cunningham, Eric Prieto
Place of PublicationBellingham, Washington
PublisherSPIE
Number of pages12
ISBN (Print)9780819491510
DOIs
Publication statusPublished - 13 Sep 2012
Externally publishedYes
EventModern Technologies in Space- and Ground-Based Telescopes and Instrumentation II - Amsterdam, Netherlands
Duration: 1 Jul 20126 Jul 2012

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume8450
ISSN (Print)0277-786X

Conference

ConferenceModern Technologies in Space- and Ground-Based Telescopes and Instrumentation II
CountryNetherlands
CityAmsterdam
Period1/07/126/07/12

Fingerprint

retarding
Fiber
Fiber Grating
Fiber Bragg gratings
Bragg Grating
Filter
Photonics
filters
fibers
Fibers
Line
Infrared
Infrared radiation
Unit
Single-mode Fiber
Bragg gratings
Observatories
Single mode fibers
Single Mode
Observatory

Keywords

  • Astrophotonics
  • Fibre bragg grating
  • Fibre taper
  • Multicore fibre
  • Near-infrared
  • OH suppression
  • Photonic lantern
  • Spectroscopy

Cite this

Haynes, R., Birks, T. A., Bland-Hawthorn, J., Cruz, J. L., Diez, A., Ellis, S. C., ... Voigtländer, C. (2012). Second generation OH suppression filters using multicore fibres. In R. Navarro, C. R. Cunningham, & E. Prieto (Eds.), Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II [845011] (Proceedings of SPIE; Vol. 8450). Bellingham, Washington: SPIE. https://doi.org/10.1117/12.925923
Haynes, R. ; Birks, T. A. ; Bland-Hawthorn, J. ; Cruz, J. L. ; Diez, A. ; Ellis, S. C. ; Haynes, D. ; Krämer, R. G. ; Mangan, B. J. ; Min, S. ; Murphy, D. F. ; Nolte, S. ; Olaya, J. C. ; Thomas, J. U. ; Trinh, C. Q. ; Tünnermann, A. ; Voigtländer, Christian. / Second generation OH suppression filters using multicore fibres. Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II. editor / Ramón Navarro ; Colin R. Cunningham ; Eric Prieto. Bellingham, Washington : SPIE, 2012. (Proceedings of SPIE).
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abstract = "Ground based near-infrared observations have long been plagued by poor sensitivity when compared to visible observations as a result of the bright narrow line emission from atmospheric OH molecules. The GNOSIS instrument recently commissioned at the Australian Astronomical Observatory uses Photonic Lanterns in combination with individually printed single mode fibre Bragg gratings to filter out the brightest OH-emission lines between 1.47 and 1.70μm. GNOSIS, reported in a separate paper in this conference, demonstrates excellent OH-suppression, providing very {"}clean{"} filtering of the lines. It represents a major step forward in the goal to improve the sensitivity of ground based near-infrared observation to that possible at visible wavelengths, however, the filter units are relatively bulky and costly to produce. The 2nd generation fibre OH-Suppression filters based on multicore fibres are currently under development. The development aims to produce high quality, cost effective, compact and robust OH-Suppression units in a single optical fibre with numerous isolated single mode cores that replicate the function and performance of the current generation of {"}conventional{"} photonic lantern based devices. In this paper we present the early results from the multicore fibre development and multicore fibre Bragg grating imprinting process.",
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author = "R. Haynes and Birks, {T. A.} and J. Bland-Hawthorn and Cruz, {J. L.} and A. Diez and Ellis, {S. C.} and D. Haynes and Kr{\"a}mer, {R. G.} and Mangan, {B. J.} and S. Min and Murphy, {D. F.} and S. Nolte and Olaya, {J. C.} and Thomas, {J. U.} and Trinh, {C. Q.} and A. T{\"u}nnermann and Christian Voigtl{\"a}nder",
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Haynes, R, Birks, TA, Bland-Hawthorn, J, Cruz, JL, Diez, A, Ellis, SC, Haynes, D, Krämer, RG, Mangan, BJ, Min, S, Murphy, DF, Nolte, S, Olaya, JC, Thomas, JU, Trinh, CQ, Tünnermann, A & Voigtländer, C 2012, Second generation OH suppression filters using multicore fibres. in R Navarro, CR Cunningham & E Prieto (eds), Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II., 845011, Proceedings of SPIE, vol. 8450, SPIE, Bellingham, Washington, Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II, Amsterdam, Netherlands, 1/07/12. https://doi.org/10.1117/12.925923

Second generation OH suppression filters using multicore fibres. / Haynes, R.; Birks, T. A.; Bland-Hawthorn, J.; Cruz, J. L.; Diez, A.; Ellis, S. C.; Haynes, D.; Krämer, R. G.; Mangan, B. J.; Min, S.; Murphy, D. F.; Nolte, S.; Olaya, J. C.; Thomas, J. U.; Trinh, C. Q.; Tünnermann, A.; Voigtländer, Christian.

Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II. ed. / Ramón Navarro; Colin R. Cunningham; Eric Prieto. Bellingham, Washington : SPIE, 2012. 845011 (Proceedings of SPIE; Vol. 8450).

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

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Haynes R, Birks TA, Bland-Hawthorn J, Cruz JL, Diez A, Ellis SC et al. Second generation OH suppression filters using multicore fibres. In Navarro R, Cunningham CR, Prieto E, editors, Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation II. Bellingham, Washington: SPIE. 2012. 845011. (Proceedings of SPIE). https://doi.org/10.1117/12.925923