9 August 2016 The Wide Integral Field Infrared Spectrograph (WIFIS): optomechanical design and development
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Abstract
We present the optomechanical design and development of the Wide Integral Field Infrared Spectrograph (WIFIS). WIFIS will provide an unrivalled integral field size of 20”×50” for a near-infrared (0.9-1.7 μm) integral-field spectrograph at the 2.3-meter Steward Bok telescope. Its main optomechanical system consists of two assemblies: a room-temperature bench housing the majority of the optical components and a cryostat for a field-flattening lens, thermal blocking filter, and detector. Two additional optical subsystems will provide calibration functionality, telescope guiding, and off-axis optical imaging. WIFIS will be a highly competitive instrument for seeing-limited astronomical investigations of the dynamics and chemistry of extended objects in the near-infrared wavebands. WIFIS is expected to be commissioned during the end of 2016 with scientific operations beginning in 2017.
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R. Elliot Meyer, Dae-Sik Moon, Suresh Sivanandam, Ke Ma, Chuck Henderson, Basil Blank, Chueh-Yi Chou, Miranda Jarvis, Stephen S. Eikenberry, "The Wide Integral Field Infrared Spectrograph (WIFIS): optomechanical design and development", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99083Q (9 August 2016); doi: 10.1117/12.2231260; https://doi.org/10.1117/12.2231260
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