{"id":230,"date":"2018-11-09T01:18:31","date_gmt":"2018-11-09T01:18:31","guid":{"rendered":"http:\/\/www.astro.gsu.edu\/~smj\/?page_id=230"},"modified":"2018-11-27T01:27:01","modified_gmt":"2018-11-27T01:27:01","slug":"ultra-high-resolution-wave-front-sensing","status":"publish","type":"page","link":"http:\/\/www.astro.gsu.edu\/~smj\/?page_id=230","title":{"rendered":"Ultra high-resolution wave front sensing"},"content":{"rendered":"<p>Our group has shown that by using a modified multi-aperture phase retrieval (MAPR) algorithm to process the data from an imaging Shack-Hartmann sensor, we are able to better estimate the high-spatial frequencies of the atmospheric wave front than we are with a traditional Shack Hartmann wave front sensor. We have demonstrated that using a MAPR wave front sensor as a part of an aperture-diverse imaging system, allows us to increase our spatial-temporal coverage of the skies above the Air Force\u2019s large aperture telescopes by an order of magnitude over current capability.<\/p>\n<figure id=\"attachment_222\" aria-describedby=\"caption-attachment-222\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-222 size-medium\" src=\"http:\/\/www.astro.gsu.edu\/~smj\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-08-at-8.05.59-PM-e1541726167234-300x239.png\" alt=\"\" width=\"300\" height=\"239\" srcset=\"http:\/\/www.astro.gsu.edu\/~smj\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-08-at-8.05.59-PM-e1541726167234-300x239.png 300w, http:\/\/www.astro.gsu.edu\/~smj\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-08-at-8.05.59-PM-e1541726167234.png 636w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-222\" class=\"wp-caption-text\">Wave front reconstruction using Imaging Shack-Hartmann Wave Front Sensor and multi-aperture phase retrieval. Truth phase (left) and reconstructed phase (right) from simulated measurements through atmospheric turbulence with D\/r0~25.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Our group has shown that by using a modified multi-aperture phase retrieval (MAPR) algorithm to process the data from an imaging Shack-Hartmann sensor, we are able to better estimate the high-spatial frequencies of the atmospheric wave front than we are with a traditional Shack Hartmann wave front sensor. We have demonstrated that using a MAPR &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.astro.gsu.edu\/~smj\/?page_id=230\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Ultra high-resolution wave front sensing&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":36,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-230","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/pages\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=230"}],"version-history":[{"count":2,"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/pages\/230\/revisions"}],"predecessor-version":[{"id":1085,"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/pages\/230\/revisions\/1085"}],"up":[{"embeddable":true,"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=\/wp\/v2\/pages\/36"}],"wp:attachment":[{"href":"http:\/\/www.astro.gsu.edu\/~smj\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}