The Cambridge Oh Suppression Instrument (Cohsi): Status After First Commissioning Run

Kimberly A Ennico,Ian R Parry,Matthew A Kenworthy,Richard S Ellis,Craig D Mackay,Martin G Beckett,Alfonso Aragonsalamanca,Karl Glazebrook,Jarle Brinchmann,J Pritchard,Steve R Medlen,Francois Piche,Richard G Mcmahon,Fausto Cortecchia

INFRARED ASTRONOMICAL INSTRUMENTATION, PTS 1-2（1998）

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摘要

COHSI (the Cambridge OH Suppression Instrument) was successfully commissioned at the United Kingdom Infrared Telescope on Mauna Kea during a seven night observing run (19,20 & 25-29 March 1998) which coincided with this conference. Here we briefly describe the instrument and give a preliminary report on its performance at this time. The suppression optics and masks worked extremely well and the instrument background was found to be very low.

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关键词

OH suppression, near-infrared, spectrograph, photo-etching, optical fibers

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