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The infrared imaging spectrograph (IRIS) for TMT: reflective ruled diffraction grating performance testing and discussion

Meyer, Elliot; Chen, Shaojie; Wright, Shelley A.; Moore, Anna; Larkin, J; Simard, Luc; Maire, Jêrôme; Mieda, Etsuko; Gordon, Jacob


We present the efficiency of near-infrared reflective ruled diffraction gratings designed for the InfraRed Imaging Spectrograph (IRIS). IRIS is a first light, integral field spectrograph and imager for the Thirty Meter Telescope (TMT) and narrow field infrared adaptive optics system (NFIRAOS). IRIS will operate across the near-infrared encompassing the ZYJHK bands (∼0.84 - 2.4μm) with multiple spectral resolutions. We present our experimental setup and analysis of the efficiency of selected...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.2056839
Access Rights: Open Access


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