{"id":1659,"date":"2019-12-14T17:14:00","date_gmt":"2019-12-14T17:14:00","guid":{"rendered":"https:\/\/nancyannroth.com\/?p=1659"},"modified":"2020-01-09T16:23:42","modified_gmt":"2020-01-09T16:23:42","slug":"ptychography","status":"publish","type":"post","link":"https:\/\/nancyannroth.com\/?p=1659","title":{"rendered":"Ptychography"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Until today, I had never heard of it:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Introduced in electron microscopy by Hegerl and Hoppe in the early 1970s, &#8220;ptychography&#8221; (pronounced &#8220;tikography,&#8221; I think) is an imaging technique that combines diffraction data from multiple datasets obtained by scanning a finite illumination on an extended specimen.<\/p><cite><a href=\"http:\/\/users.ph.tum.de\/gu74hih\/research.html\">http:\/\/users.ph.tum.de\/gu74hih\/research.html<\/a><\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">It helps know we&#8217;re talking about x-rays, and that among the uses researchers forsee for such imaging processes are more detailed 3D images of human bodies. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Even on such short acquaintance, though, ptychography seems like a really good example of the idea that &#8220;measurement,&#8221; can&#8217;t be separated from the one who is measuring, the one who is being measured, and the equipment being used.  The knower and the known are clearly, deeply, &#8220;entangled&#8221; with one another.    <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Until today, I had never heard of it: Introduced in electron microscopy by Hegerl and Hoppe in the early 1970s, &#8220;ptychography&#8221; (pronounced &#8220;tikography,&#8221; I think) is an imaging technique that combines diffraction data from&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":1680,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"bgseo_title":"","bgseo_description":"","bgseo_robots_index":"","bgseo_robots_follow":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[216],"tags":[306,307,305,304],"class_list":["post-1659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-photography","tag-computational-photography","tag-diffraction-data","tag-lensless-photography","tag-ptychography"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/posts\/1659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1659"}],"version-history":[{"count":0,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/posts\/1659\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=\/wp\/v2\/media\/1680"}],"wp:attachment":[{"href":"https:\/\/nancyannroth.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nancyannroth.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}