{"id":3928571,"date":"2026-10-23T16:00:17","date_gmt":"2026-10-23T21:00:17","guid":{"rendered":"https:\/\/mikedyess.info\/para\/plain-silicon-grating-reveals-a-hidden-twist-in-light-from-electron-beams\/"},"modified":"2026-10-23T16:00:17","modified_gmt":"2026-10-23T21:00:17","slug":"plain-silicon-grating-reveals-a-hidden-twist-in-light-from-electron-beams","status":"publish","type":"post","link":"https:\/\/mikedyess.info\/para\/plain-silicon-grating-reveals-a-hidden-twist-in-light-from-electron-beams\/","title":{"rendered":"Plain silicon grating reveals a hidden &#8216;twist&#8217; in light from electron beams"},"content":{"rendered":"<div>In 1953, two physicists showed that an electron beam skimming past a grating emits light whose color depends only on the electron&#8217;s speed and the grating&#8217;s spacing. Known as Smith-Purcell radiation, this phenomenon has become a useful tool for building compact, tunable light sources and tracking particle beams without touching them.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-10-plain-silicon-reveals-hidden-electron.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In 1953, two physicists showed that an electron beam skimming past a grating emits light whose color depends only on the electron&#8217;s speed and the grating&#8217;s spacing. Known as Smith-Purcell radiation, this phenomenon has become a useful tool for building compact, tunable light sources and tracking particle beams without touching them. <\/p>\n<p>Go to Source<\/p>\n<p> [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-3928571","post","type-post","status-publish","format-standard","hentry","category-latest-in-physics","odd"],"_links":{"self":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3928571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/comments?post=3928571"}],"version-history":[{"count":0,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3928571\/revisions"}],"wp:attachment":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3928571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3928571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3928571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}