Developing an ultra-stable single mode fiber spectrograph for adaptive optics assisted observation in the infrared

Blaise C. Kuo Tiong*, Christian Schwab, Tobias Feger, Surangkhana Rukdee, Leonardo Vanzi, David W. Coutts

*Corresponding author for this work

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

2 Citations (Scopus)

Abstract

Ever more precise radial velocity instruments are needed to observe potential earth-like exoplanet targets that are beyond the range of current generation high resolution echelle spectrographs. Meanwhile, extreme adaptive optics systems at 8 meter class facilities have made ground based observations possible at the diffraction limit. In the field of Doppler spectroscopy, one way to take advantage of these AO capabilities is by the development of ultra-stable single mode fiber fed spectrographs.1 Coupling the light efficiently into SMFs with an extreme adaptive optics system offers significant advantage in removing modal noise, reducing instrument size, enabling superior environmental control and curbing cost. We report the design and challenges in building an ultra-stable spectrograph for the near infrared range. The design wavelength range is 650 to 1500 nm.

Original languageEnglish
Title of host publicationGround-based and Airborne Instrumentation for Astronomy VII
EditorsChristopher J. Evans, Luc Simard, Hideki Takami
Place of PublicationBellingham, Washington
PublisherSPIE
Pages1-7
Number of pages7
ISBN (Electronic)9781510619586
ISBN (Print)9781510619579
DOIs
Publication statusPublished - 9 Jul 2018
EventGround-based and Airborne Instrumentation for Astronomy VII 2018 - Austin, United States
Duration: 10 Jun 201814 Jun 2018

Publication series

NameProceedings of SPIE
Volume10702
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceGround-based and Airborne Instrumentation for Astronomy VII 2018
Country/TerritoryUnited States
CityAustin
Period10/06/1814/06/18

Keywords

  • adaptive optics
  • Doppler spectroscopy
  • echelle spectrographs
  • environmental control
  • exoplanet
  • radial velocity
  • single mode fiber
  • ultra-stable

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