First starlight spectrum captured using an integrated photonic micro-spectrograph

N. Cvetojevic, N. Jovanovic, C. Betters, J. S. Lawrence, S. C. Ellis, G. Robertson, J. Bland-Hawthorn

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Photonic technologies have received growing consideration for incorporation into next-generation astronomical instrumentation, owing to their miniature footprint and inherent robustness. In this paper we present results from the first on-telescope demonstration of a miniature photonic spectrograph for astronomy, by obtaining spectra spanning the entire H-band from several stellar targets. The prototype was tested on the 3.9 m Anglo-Australian telescope. In particular, we present a spectrum of the variable star π 1 Gru, with observed CO molecular absorption bands, at a resolving power R = 2500 at 1600 nm. Furthermore, we successfully demonstrate the simultaneous acquisition of multiple spectra with a single spectrograph chip by using multiple fibre inputs.

LanguageEnglish
Article numberL1
Pages1-4
Number of pages4
JournalAstronomy and Astrophysics
Volume544
DOIs
Publication statusPublished - 2012

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spectrographs
photonics
telescopes
molecular absorption
variable stars
footprints
astronomy
footprint
instrumentation
acquisition
chips
prototypes
absorption spectra
fibers
fibre
incorporation

Cite this

Cvetojevic, N. ; Jovanovic, N. ; Betters, C. ; Lawrence, J. S. ; Ellis, S. C. ; Robertson, G. ; Bland-Hawthorn, J. / First starlight spectrum captured using an integrated photonic micro-spectrograph. In: Astronomy and Astrophysics. 2012 ; Vol. 544. pp. 1-4.
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First starlight spectrum captured using an integrated photonic micro-spectrograph. / Cvetojevic, N.; Jovanovic, N.; Betters, C.; Lawrence, J. S.; Ellis, S. C.; Robertson, G.; Bland-Hawthorn, J.

In: Astronomy and Astrophysics, Vol. 544, L1, 2012, p. 1-4.

Research output: Contribution to journalArticleResearchpeer-review

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