{"id":466,"date":"2016-10-13T15:47:01","date_gmt":"2016-10-13T12:47:01","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=466"},"modified":"2017-07-04T15:43:43","modified_gmt":"2017-07-04T12:43:43","slug":"%d7%93%d7%95%d7%92%d7%9e%d7%90-2-3","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=466","title":{"rendered":"\u05d3\u05d5\u05d2\u05de\u05d0 2.3"},"content":{"rendered":"<p><strong>\u05d7\u05e9\u05d1<\/strong> \u05de\u05d4\u05d5 \u05d4\u05d9\u05d7\u05e1 \u05d1\u05d9\u05df \u05de\u05e1\u05e4\u05e8\u05d9 \u05d4\u05d0\u05d9\u05db\u05dc\u05d5\u05e1 \u05e9\u05dc \u05e9\u05ea\u05d9 \u05d4\u05e8\u05de\u05d5\u05ea E<sub>1<\/sub>, E<sub>2<\/sub>, \u05e9\u05d4\u05d4\u05e4\u05e8\u05e9 \u05d1\u05d9\u05e0\u05d9\u05d4\u05df \u05db\u05d0\u05e9\u05e8 \u05d4\u05d7\u05d5\u05de\u05e8 \u05e0\u05de\u05e6\u05d0 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea \u05d4\u05d7\u05d3\u05e8 (300K = (T.<\/p>\n<p>\u05de\u05d4\u05d5 \u05d0\u05d5\u05e8\u05da \u05d4\u05d2\u05dc (l) \u05e9\u05dc \u05e4\u05d5\u05d8\u05d5\u05df \u05e9\u05d9\u05d9\u05e4\u05dc\u05d8 \u05d1\u05de\u05e2\u05d1\u05e8 \u05de\u05e8\u05de\u05d4 E<sub>2<\/sub> \u05dc\u05e8\u05de\u05d4 E<sub>1<\/sub>?<\/p>\n<h2><span style=\"color: #008000\"><strong>\u05e4\u05ea\u05e8\u05d5\u05df \u05d3\u05d5\u05d2\u05de\u05d0 2.3<\/strong><\/span>:<\/h2>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f1.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5166 aligncenter\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f1.jpg\" alt=\"\u05e0\u05d5\u05e1\u05d7\u05d0 \" width=\"528\" height=\"104\" srcset=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f1.jpg 528w, https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f1-300x59.jpg 300w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/><\/a><\/p>\n<p dir=\"ltr\" style=\"text-align: center\">= 4*10<sup>-9<\/sup><\/p>\n<p>\u05db\u05dc\u05d5\u05de\u05e8, \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea \u05d4\u05d7\u05d3\u05e8, \u05e2\u05dc \u05db\u05dc 1,000,000,000 \u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d1\u05de\u05e6\u05d1 \u05d9\u05e1\u05d5\u05d3 E<sub>1<\/sub>, \u05d9\u05e9 \u05e8\u05e7 4 \u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d1\u05de\u05e6\u05d1 \u05de\u05e2\u05d5\u05e8\u05e8 (E<sub>2<\/sub>)!!<\/p>\n<p>\u05db\u05d3\u05d9 \u05dc\u05d7\u05e9\u05d1 \u05d0\u05ea \u05d0\u05d5\u05e8\u05da \u05d4\u05d2\u05dc \u05e0\u05e6\u05d9\u05d1 \u05d1\u05de\u05e9\u05d5\u05d5\u05d0\u05d4:<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f2-1.jpg\"><img decoding=\"async\" class=\"size-full wp-image-5169 aligncenter\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f2-1.jpg\" alt=\"\u05e0\u05d5\u05e1\u05d7\u05d0\" width=\"537\" height=\"147\" srcset=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f2-1.jpg 537w, https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2p15f2-1-300x82.jpg 300w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/><\/a><\/p>\n<p>\u05d0\u05d5\u05e8\u05da \u05d2\u05dc \u05d6\u05d4 \u05d4\u05d5\u05d0 \u05d1\u05ea\u05d7\u05d5\u05dd \u05d4\u05d0\u05d9\u05e0\u05e4\u05e8\u05d0-\u05d0\u05d3\u05d5\u05dd \u05d4\u05e7\u05e8\u05d5\u05d1.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=460\"><img decoding=\"async\" class=\"alignnone size-full wp-image-49\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/Buttons_Previous5bCircle5d.png\" alt=\"\u05db\u05e4\u05ea\u05d5\u05e8 &quot;\u05d4\u05e7\u05d5\u05d3\u05dd&quot;\" width=\"148\" height=\"54\" \/><\/a> <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=472\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-48 alignleft\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/Buttons_Next-5bSquare5d.png\" alt=\"\u05db\u05e4\u05ea\u05d5\u05e8 &quot;\u05d4\u05d1\u05d0&quot;\" width=\"148\" height=\"54\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u05d7\u05e9\u05d1 \u05de\u05d4\u05d5 \u05d4\u05d9\u05d7\u05e1 \u05d1\u05d9\u05df \u05de\u05e1\u05e4\u05e8\u05d9 \u05d4\u05d0\u05d9\u05db\u05dc\u05d5\u05e1 \u05e9\u05dc \u05e9\u05ea\u05d9 \u05d4\u05e8\u05de\u05d5\u05ea E1, E2, \u05e9\u05d4\u05d4\u05e4\u05e8\u05e9 \u05d1\u05d9\u05e0\u05d9\u05d4\u05df \u05db\u05d0\u05e9\u05e8 \u05d4\u05d7\u05d5\u05de\u05e8 \u05e0\u05de\u05e6\u05d0 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea \u05d4\u05d7\u05d3\u05e8 (300K = (T. \u05de\u05d4\u05d5 \u05d0\u05d5\u05e8\u05da \u05d4\u05d2\u05dc (l) \u05e9\u05dc \u05e4\u05d5\u05d8\u05d5\u05df \u05e9\u05d9\u05d9\u05e4\u05dc\u05d8 \u05d1\u05de\u05e2\u05d1\u05e8 \u05de\u05e8\u05de\u05d4 E2 \u05dc\u05e8\u05de\u05d4 E1? \u05e4\u05ea\u05e8\u05d5\u05df \u05d3\u05d5\u05d2\u05de\u05d0 2.3: = 4*10-9 \u05db\u05dc\u05d5\u05de\u05e8, \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=466\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-466","post","type-post","status-publish","format-standard","hentry","category-2-5-----"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/466"}],"collection":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=466"}],"version-history":[{"count":6,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/466\/revisions"}],"predecessor-version":[{"id":5170,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/466\/revisions\/5170"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}