Hinz, Philip M.
AffiliationUniv Arizona, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA
MetadataShow full item record
PublisherSPIE-INT SOC OPTICAL ENGINEERING
CitationShaojie Chen, Suresh Sivanandam, Siqi Liu, Jean-Pierre Veran, Phil Hinz, Etsuko Mieda, Tim Hardy, Olivier Lardiere, "Optical design of infrared pyramid wavefront sensor for the MMT," Proc. SPIE 10401, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems, 104011H (5 September 2017)
Rights© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE).
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AbstractWe report on the optical design of an infrared (0.85-1.8 mu m) pyramid wavefront sensor (IRPWFS) that is designed for the 6.5m MMT telescope adaptive optics system using the latest developments in low-noise infrared avalanche photodiode arrays. The comparison between the pyramid and the double-roof prism based wavefront sensors and the evaluation of their micro pupils' quality are presented. Our analysis shows the use of two double-roof prisms with achromatic materials produces the competitive performance when compared to the traditional pyramid prism, which is difficult to manufacture. The final micro pupils on the image plane have the residual errors of pupil position, chromatism, and distortion within 1/10 pixel over the 2x2 arcsecond field of view, which meet the original design goals.
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VersionFinal published version
SponsorsDunlap Institute of Astronomy & Astrophysics at University of Toronto; Dunlap Institute for Astronomy Astrophysics