Suppression of the near-infrared OH night sky lines with fibre Bragg gratings - first results

S C Ellis,Joss Blandhawthorn,J S Lawrence, Arthur James Horton,C Trinh,Sergio G Leonsaval,Keith Shortridge,J J Bryant, S Case,Matthew Colless,W J Couch,K C Freeman,Luke Gers,Karl Glazebrook,R F Haynes,Sooyoung Lee,Hansgerd Lohmannsroben,John W Obyrne,Stan Miziarski,M Roth,B Schmidt,C G Tinney, Jijian Zheng

Monthly Notices of the Royal Astronomical Society（2012）

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摘要

The background noise between 1 and 1.8 μm in ground-based instruments is dominated by atmospheric emission from hydroxyl molecules. We have built and commissioned a new instrument, the Gemini Near-infrared OH Suppression Integral Field Unit (IFU) System (GNOSIS), which suppresses 103 OH doublets between 1.47 and 1.7 μm by a factor of ≈1000 with a resolving power of ≈10 000. We present the first re...

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关键词

atmospheric effects,instrumentation: miscellaneous,infrared: general

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