FLEX-the first light explorer: A pathfinder instrument for fibre Bragg grating OH suppression

Anthony J. Horton, Simon C. Ellis, Joss Bland-Hawthorn, Roger Haynes, Andrew J. McGrath

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

Abstract

We present FLEX, an instrument to demonstrate the power of fibre Bragg grating OH suppression. This ground breaking technology promises great gains in sensitivity for near infrared instrumentation and the time is now right for a pioneer instrument to prove the effectiveness of the technique. Our proposal is for an adaptive optics fed integral field unit for an 8 metre class telescope. We envisage a 61 element IFU with 0.22" sampling and a 2.2" field of view. J and H-band OH suppression units would cleanly suppress the atmospheric emission lines,effectively lowering the sky background by 3 or 4 magnitudes respectively. The capabilities of FLEX will make it ideal for deep Epoch of Reionisation studies, as well as studies of star formation at z ̃1-4. To enable rapid and economical deployment FLEX would use an existing near infrared spectrograph with R ≈ 1000 and employ facility adaptive optics.

LanguageEnglish
Title of host publicationGround-based and Airborne Instrumentation for Astronomy II
EditorsIan S. McLean, Mark M. Casali
PublisherSPIE
Pages1-8
Number of pages8
Volume7014
ISBN (Electronic)9780819472243
DOIs
Publication statusPublished - 1 Dec 2008
Externally publishedYes
EventGround-based and Airborne Instrumentation for Astronomy II - Marseille, France
Duration: 23 Jun 200828 Jun 2008

Conference

ConferenceGround-based and Airborne Instrumentation for Astronomy II
CountryFrance
CityMarseille
Period23/06/0828/06/08

Fingerprint

Adaptive optics
Adaptive Optics
Fiber Grating
Fiber Bragg gratings
Bragg Grating
Bragg gratings
Infrared Instrumentation
Infrared spectrographs
retarding
Integral Field Unit
adaptive optics
fibers
Spectrograph
Field of View
Telescopes
Stars
Telescope
Star
Infrared
airglow

Keywords

  • Adaptive optics
  • Fibre Bragg grating
  • FLEX
  • Integral field spectroscopy
  • Near infrared
  • OH suppression
  • Photonic lantern

Cite this

Horton, A. J., Ellis, S. C., Bland-Hawthorn, J., Haynes, R., & McGrath, A. J. (2008). FLEX-the first light explorer: A pathfinder instrument for fibre Bragg grating OH suppression. In I. S. McLean, & M. M. Casali (Eds.), Ground-based and Airborne Instrumentation for Astronomy II (Vol. 7014, pp. 1-8). [701435] SPIE. https://doi.org/10.1117/12.788629
Horton, Anthony J. ; Ellis, Simon C. ; Bland-Hawthorn, Joss ; Haynes, Roger ; McGrath, Andrew J. / FLEX-the first light explorer : A pathfinder instrument for fibre Bragg grating OH suppression. Ground-based and Airborne Instrumentation for Astronomy II. editor / Ian S. McLean ; Mark M. Casali. Vol. 7014 SPIE, 2008. pp. 1-8
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Horton, AJ, Ellis, SC, Bland-Hawthorn, J, Haynes, R & McGrath, AJ 2008, FLEX-the first light explorer: A pathfinder instrument for fibre Bragg grating OH suppression. in IS McLean & MM Casali (eds), Ground-based and Airborne Instrumentation for Astronomy II. vol. 7014, 701435, SPIE, pp. 1-8, Ground-based and Airborne Instrumentation for Astronomy II, Marseille, France, 23/06/08. https://doi.org/10.1117/12.788629

FLEX-the first light explorer : A pathfinder instrument for fibre Bragg grating OH suppression. / Horton, Anthony J.; Ellis, Simon C.; Bland-Hawthorn, Joss; Haynes, Roger; McGrath, Andrew J.

Ground-based and Airborne Instrumentation for Astronomy II. ed. / Ian S. McLean; Mark M. Casali. Vol. 7014 SPIE, 2008. p. 1-8 701435.

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

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N2 - We present FLEX, an instrument to demonstrate the power of fibre Bragg grating OH suppression. This ground breaking technology promises great gains in sensitivity for near infrared instrumentation and the time is now right for a pioneer instrument to prove the effectiveness of the technique. Our proposal is for an adaptive optics fed integral field unit for an 8 metre class telescope. We envisage a 61 element IFU with 0.22" sampling and a 2.2" field of view. J and H-band OH suppression units would cleanly suppress the atmospheric emission lines,effectively lowering the sky background by 3 or 4 magnitudes respectively. The capabilities of FLEX will make it ideal for deep Epoch of Reionisation studies, as well as studies of star formation at z ̃1-4. To enable rapid and economical deployment FLEX would use an existing near infrared spectrograph with R ≈ 1000 and employ facility adaptive optics.

AB - We present FLEX, an instrument to demonstrate the power of fibre Bragg grating OH suppression. This ground breaking technology promises great gains in sensitivity for near infrared instrumentation and the time is now right for a pioneer instrument to prove the effectiveness of the technique. Our proposal is for an adaptive optics fed integral field unit for an 8 metre class telescope. We envisage a 61 element IFU with 0.22" sampling and a 2.2" field of view. J and H-band OH suppression units would cleanly suppress the atmospheric emission lines,effectively lowering the sky background by 3 or 4 magnitudes respectively. The capabilities of FLEX will make it ideal for deep Epoch of Reionisation studies, as well as studies of star formation at z ̃1-4. To enable rapid and economical deployment FLEX would use an existing near infrared spectrograph with R ≈ 1000 and employ facility adaptive optics.

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Horton AJ, Ellis SC, Bland-Hawthorn J, Haynes R, McGrath AJ. FLEX-the first light explorer: A pathfinder instrument for fibre Bragg grating OH suppression. In McLean IS, Casali MM, editors, Ground-based and Airborne Instrumentation for Astronomy II. Vol. 7014. SPIE. 2008. p. 1-8. 701435 https://doi.org/10.1117/12.788629