{"id":4655,"date":"2010-01-28T03:00:53","date_gmt":"2010-01-28T08:00:53","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=4655"},"modified":"2010-01-28T03:00:53","modified_gmt":"2010-01-28T08:00:53","slug":"smoke-but-no-mirrors","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/4655","title":{"rendered":"Smoke but no Mirrors"},"content":{"rendered":"<p><a href=\"http:\/\/blog.jwcxz.com\/?p=522\">Optical Trapping and the Momentum of Light<\/a><\/p>\n<p><object class=\"embed\" width=\"425\" height=\"264\" type=\"application\/x-shockwave-flash\" \ndata=\"http:\/\/www.youtube.com\/v\/4awR7JwvxCc?fs=1\"><param name=\"wmode\" value=\"transparent\" \/><param name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/4awR7JwvxCc?fs=1\" \/><em>You need to a flashplayer enabled browser to view this YouTube video<\/em><\/object><\/p>\n<p>The explanation talks about the wave-particle duality, but I think that&#8217;s a distraction.  This is a dipole force phenomenon; the beam&#8217;s intensity is greatest at the center, and where the focal point occurs, as shown in the drawing at the end of the post.  This gives rise to a gradient in the electric field.  If you put a dielectric particle in this region, it will feel a force in the direction of the field maximum, or toward the highest intensity of light.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optical Trapping and the Momentum of Light You need to a flashplayer enabled browser to view this YouTube video The explanation talks about the wave-particle duality, but I think that&#8217;s a distraction. This is a dipole force phenomenon; the beam&#8217;s &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/4655\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,17,39],"tags":[],"class_list":["post-4655","post","type-post","status-publish","format-standard","hentry","category-diy-science","category-experiments","category-physics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/4655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/comments?post=4655"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/4655\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=4655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=4655"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=4655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}