{"id":462,"date":"2007-01-23T11:06:43","date_gmt":"2007-01-23T16:06:43","guid":{"rendered":"http:\/\/photondetector.com\/blog\/2007\/01\/23\/perfect-pinholes-zone-plates\/"},"modified":"2007-05-16T13:07:55","modified_gmt":"2007-05-16T18:07:55","slug":"perfect-pinholes-zone-plates","status":"publish","type":"post","link":"https:\/\/photondetector.com\/blog\/2007\/01\/23\/perfect-pinholes-zone-plates\/","title":{"rendered":"Creating perfect pinholes and zone plates"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><a href=\"http:\/\/clinecompany.wordpress.com\/\">Roger Cline<\/a> walks you through making <a href=\"http:\/\/clinecompany.wordpress.com\/2007\/01\/20\/creating-perfect-pinholes-and-zoneplates-everytime\/\">perfect pinholes and zone plates<\/a> with a vector drawing program and computer-printed film from a graphic arts service bureau.<\/p>\n<p>While <a href=\"http:\/\/en.wikipedia.org\/wiki\/Zoneplate\">zone plates<\/a> are always made with film of some sort, I&#8217;m curious about light transmission loss using film compared to an empty hole for a pinhole. Anyone have info on this?<\/p>\n<p><a href=\"http:\/\/clinecompany.wordpress.com\/2007\/01\/20\/creating-perfect-pinholes-and-zoneplates-everytime\/\">Read instructions<\/a> at Cline &amp; Company<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Roger Cline walks you through making perfect pinholes and zone plates with a vector drawing program and computer-printed film from a graphic arts service bureau. While zone plates are always made with film of some sort, I&#8217;m curious about light transmission loss using film compared to an empty hole for a pinhole. Anyone have info [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[717,1002,1990,1512,1925],"class_list":["post-462","post","type-post","status-publish","format-standard","hentry","category-cam-hacking-diy","tag-graphic-arts-film","tag-lensless","tag-pinhole","tag-roger-cline","tag-zone-plate"],"_links":{"self":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts\/462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/comments?post=462"}],"version-history":[{"count":0,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/posts\/462\/revisions"}],"wp:attachment":[{"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/media?parent=462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/categories?post=462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/photondetector.com\/blog\/wp-json\/wp\/v2\/tags?post=462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<!-- WP Super Cache is installed but broken. The constant WPCACHEHOME must be set in the file wp-config.php and point at the WP Super Cache plugin directory. -->