{"id":530454,"date":"2018-10-03T11:56:41","date_gmt":"2018-10-03T15:56:41","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20180005166"},"modified":"2018-10-03T11:56:41","modified_gmt":"2018-10-03T15:56:41","slug":"the-influence-of-dihedral-angle-error-stability-on-beam-deviation-for-hollow-retro-reflectors","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=530454","title":{"rendered":"The Influence of Dihedral Angle Error Stability on Beam Deviation for Hollow Retro-Reflectors"},"content":{"rendered":"<p>Abstract: Retro-reflectors consist of three reflective optical surfaces, which are oriented to reflect the input beam by 180 ?. For retro-reflector components, it is common to specify an angular beam deviation tolerance, or rather the deviation from the exact 180 def return direction. Precision-aligned retro-reflectors provide 180 deg beam deviation with tolerances on the order of an arcsecond. It is well known that the performance of the retro-reflector depends on the ability to precisely orient the r&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Retro-reflectors consist of three reflective optical surfaces, which are oriented to reflect the input beam by 180 ?. For retro-reflector components, it is common to specify an angular beam deviation tolerance, or rather the deviation from th&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-530454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/530454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=530454"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/530454\/revisions"}],"predecessor-version":[{"id":530455,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/530454\/revisions\/530455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=530454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=530454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=530454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}