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---+!! Notes on Keck AO for !PSF Recovery Project ---++ AO Parameters ---++++++ AO Sign conventions Keck DM to !WFS geometry: Square subaperture Hartmann sensor lenslets. Actuators are located at the corners. Actuator centered Fried Geometry [[%ATTACHURL%/][see picture]]. Detail on numbering and orientation can be found here [[%ATTACHURL%/KAON368.pdf][KAON 368 ]]. The actuator spacing is 7 mm at the DM corresponding to 0.200 mm at the lenslet array. 562.5 mm at the telescope primary mirror and 74.8 mm on the virtual pupil image formed by the telescope pupil. ---++++++ !WFS ---+++++ Telemetry TRS ---++ NIRC2 Parameters ---++ Telescope Parameters ---++ Links, KAONs, and other References * [[http://mkwc.ifa.hawaii.edu/current/seeing/][Mauna Kea MASS DIMM Data Webpage]] * NGWFC/RTC Algorithms [[%ATTACHURL%/517Algorithms.pdf][KAON 517 ]] * Centroid, Subaperture, & Actuator Conventions [[%ATTACHURL%/KAON368.pdf][KAON 368 ]] * [[http://www2.keck.hawaii.edu/optics/ao/ngwfc/trsqueries.html][Keck Telemetry Webpage]] -- Main.ChrisNeyman - 20 Aug 2010
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Topic revision: r2 - 2010-09-15
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ChrisNeyman
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