{"id":549042,"date":"2018-11-20T17:09:18","date_gmt":"2018-11-20T21:09:18","guid":{"rendered":"https:\/\/spaceweekly.com\/?guid=d1b002e235fdadba3efef3a725f7e3ef"},"modified":"2018-11-20T17:09:18","modified_gmt":"2018-11-20T21:09:18","slug":"meta-surface-corrects-for-chromatic-aberrations-across-all-kinds-of-lenses-2","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=549042","title":{"rendered":"Meta-surface corrects for chromatic aberrations across all kinds of lenses"},"content":{"rendered":"<p>Today&#8217;s optical systems\u2014from smartphone cameras to cutting-edge microscopes\u2014use technology that hasn&#8217;t changed much since the mid-1700s. Compound lenses, invented around 1730, correct the chromatic aberrations that cause lenses to focus different wavelengths of light in different spots. While effective, these multi-material lenses are bulky, expensive, and require precision polishing or molding and very careful optical alignment. Now, a group of researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) is asking: Isn&#8217;t it time for an upgrade?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today&#8217;s optical systems&mdash;from smartphone cameras to cutting-edge microscopes&mdash;use technology that hasn&#8217;t changed much since the mid-1700s. Compound lenses, invented around 1730, correct the chromatic aberrations that cause lenses to focus different wavelengths of light in different spots. While effective, these multi-material lenses are bulky, expensive, and require precision polishing or molding and very careful optical alignment. Now, a group of researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) is asking: Isn&#8217;t it time for an upgrade?<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-549042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/549042","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"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=549042"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/549042\/revisions"}],"predecessor-version":[{"id":549043,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/549042\/revisions\/549043"}],"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=549042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=549042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=549042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}