{"id":2453,"date":"2016-12-04T16:35:19","date_gmt":"2016-12-04T14:35:19","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2453"},"modified":"2017-07-31T15:47:15","modified_gmt":"2017-07-31T12:47:15","slug":"%d7%96%d7%95%d7%95%d7%99%d7%aa-%d7%91%d7%a8%d7%95%d7%a1%d7%98%d7%a8","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2453","title":{"rendered":"\u05d6\u05d5\u05d5\u05d9\u05ea \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8"},"content":{"rendered":"<p>\u05de\u05e1\u05e4\u05e8 \u05e9\u05e0\u05d9\u05dd \u05d0\u05d7\u05e8 \u05db\u05da (1812) \u05de\u05e6\u05d0 <span style=\"color: #804000\"><strong>\u05d1\u05e8\u05d5\u05e1\u05d8\u05e8 (Brewster)<\/strong><\/span> \u05e9\u05e7\u05d9\u05d8\u05d5\u05d1 \u05de\u05db\u05e1\u05d9\u05de\u05dc\u05d9 \u05de\u05d5\u05e9\u05d2 \u05db\u05d0\u05e9\u05e8 \u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05d5\u05e2\u05d1\u05e8 \u05d5\u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05d5\u05d7\u05d6\u05e8 \u05d9\u05d5\u05e6\u05e8\u05d9\u05dd \u05d1\u05d9\u05e0\u05d9\u05d4\u05dd \u05d6\u05d5\u05d5\u05d9\u05ea \u05e9\u05dc 90\u00b0 (\u05e8\u05d0\u05d4 \u05d0\u05d9\u05d5\u05e8 7.26).<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-2457 aligncenter\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/12\/7-26.gif\" alt=\"\u05d7\u05d5\u05e7 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8\" width=\"282\" height=\"270\" \/><\/p>\n<p style=\"text-align: center\"><strong>\u05d0\u05d9\u05d5\u05e8 7.26: \u05d7\u05d5\u05e7 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8<\/strong><\/p>\n<p>\u05d1\u05e6\u05d5\u05e8\u05d4 \u05db\u05dc\u05dc\u05d9\u05ea, \u05e2\u05d1\u05d5\u05e8 \u05d7\u05d5\u05de\u05e8 \u05db\u05dc\u05e9\u05d4\u05d5, \u05e7\u05d9\u05d9\u05de\u05ea \u05d6\u05d5\u05d5\u05d9\u05ea \u05e4\u05d2\u05d9\u05e2\u05d4 \u05de\u05e1\u05d5\u05d9\u05de\u05ea, \u05d4\u05e0\u05e7\u05e8\u05d0\u05ea <span style=\"color: #804000\"><strong>\u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1<\/strong><\/span>, \u05d1\u05d4 \u05e8\u05e7 \u05dc\u05d0\u05d5\u05e8 \u05d4\u05de\u05e7\u05d5\u05d8\u05d1 \u05d1\u05de\u05d0\u05d5\u05e0\u05da \u05dc\u05de\u05d9\u05e9\u05d5\u05e8 \u05d4\u05e4\u05d2\u05d9\u05e2\u05d4 \u05d9\u05e9 \u05e8\u05db\u05d9\u05d1 \u05de\u05d5\u05d7\u05d6\u05e8.<\/p>\n<p>\u05db\u05dc\u05d5\u05de\u05e8, \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05de\u05d5\u05d7\u05d6\u05e8\u05ea \u05de\u05e7\u05d5\u05d8\u05d1\u05ea \u05e7\u05d5\u05d5\u05d9\u05ea \u05d1 &#8211; 100%.<\/p>\n<p>\u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05d5\u05e2\u05d1\u05e8 \u05dc\u05ea\u05d5\u05da \u05d4\u05ea\u05d5\u05d5\u05da \u05d4\u05e9\u05e0\u05d9, \u05db\u05d5\u05dc\u05dc \u05d1\u05ea\u05d5\u05db\u05d5 \u05d0\u05ea \u05db\u05dc \u05d4\u05e8\u05db\u05d9\u05d1 \u05e9\u05dc \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1 \u05d4\u05de\u05e7\u05d1\u05d9\u05dc \u05dc\u05de\u05d9\u05e9\u05d5\u05e8 \u05d4\u05e4\u05d2\u05d9\u05e2\u05d4, \u05d5\u05d2\u05dd \u05e8\u05db\u05d9\u05d1 \u05e9\u05dc \u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05e7\u05d5\u05d8\u05d1 \u05d1\u05de\u05d0\u05d5\u05e0\u05da \u05dc\u05de\u05d9\u05e9\u05d5\u05e8 \u05d4\u05e4\u05d2\u05d9\u05e2\u05d4. \u05d5\u05dc\u05db\u05df \u05d0\u05d5\u05e8 \u05d6\u05d4 \u05de\u05e7\u05d5\u05d8\u05d1 \u05d7\u05dc\u05e7\u05d9\u05ea.<\/p>\n<p>\u05e2\u05d1\u05d5\u05e8 \u05e4\u05d2\u05d9\u05e2\u05d4 \u05d1\u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1, \u05de\u05e6\u05d0 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8 <span style=\"color: #800080\"><strong>\u05e9\u05d4\u05e7\u05e8\u05df \u05d4\u05de\u05d5\u05d7\u05d6\u05e8\u05ea \u05d5\u05d4\u05e7\u05e8\u05df \u05d4\u05e0\u05e9\u05d1\u05e8\u05ea \u05de\u05d0\u05d5\u05e0\u05db\u05d5\u05ea \u05d0\u05d7\u05ea \u05dc\u05e9\u05e0\u05d9\u05d4<\/strong><\/span>, \u05db\u05dc\u05d5\u05de\u05e8<span style=\"color: #800080\"><strong> \u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e9\u05d1\u05d9\u05e8\u05d4 \u03b8<sub>P<\/sub> \u05de\u05d4\u05d5\u05d5\u05d4 \u05d6\u05d5\u05d5\u05d9\u05ea \u05de\u05e9\u05dc\u05d9\u05de\u05d4 \u05dc\u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1 \u03b8<sub>B<\/sub><\/strong><\/span>:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>sin\u03b8B = cos\u03b8p<\/strong><\/p>\n<p>\u05e2\u05dc \u05e4\u05d9 \u05d7\u05d5\u05e7 \u05e1\u05e0\u05dc:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>n<sub>1<\/sub> * sin \u03b8B = n<sub>2<\/sub> * sin\u03b8P<\/strong><\/p>\n<p>\u05e0\u05e6\u05d9\u05d1 \u05d0\u05ea \u05d4\u05d9\u05d7\u05e1 \u05e9\u05de\u05e6\u05d0 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8, \u05d5\u05e0\u05e7\u05d1\u05dc:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>n<sub>1<\/sub>*sin \u03b8B = n<sub>2<\/sub>*cos\u03b8B<\/strong><\/p>\n<p>\u05d5\u05de\u05db\u05d0\u05df <span style=\"color: #804000\"><strong>\u05d7\u05d5\u05e7 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8 \u05dc\u05d7\u05d9\u05e9\u05d5\u05d1 \u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1<\/strong> <\/span>\u05d4\u05e0\u05e7\u05e8\u05d0\u05ea \u05e2\u05dc \u05e9\u05de\u05d5 \u05e9\u05dc \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8: <span style=\"color: #804000\"><strong>\u05d6\u05d5\u05d5\u05d9\u05ea \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8<\/strong><\/span>.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>tg \u03b8<sub>B<\/sub>= n<sub>2<\/sub>\/n<sub>1<\/sub><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2461\"><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=2450\"><img 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>\u05de\u05e1\u05e4\u05e8 \u05e9\u05e0\u05d9\u05dd \u05d0\u05d7\u05e8 \u05db\u05da (1812) \u05de\u05e6\u05d0 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8 (Brewster) \u05e9\u05e7\u05d9\u05d8\u05d5\u05d1 \u05de\u05db\u05e1\u05d9\u05de\u05dc\u05d9 \u05de\u05d5\u05e9\u05d2 \u05db\u05d0\u05e9\u05e8 \u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05d5\u05e2\u05d1\u05e8 \u05d5\u05d4\u05d0\u05d5\u05e8 \u05d4\u05de\u05d5\u05d7\u05d6\u05e8 \u05d9\u05d5\u05e6\u05e8\u05d9\u05dd \u05d1\u05d9\u05e0\u05d9\u05d4\u05dd \u05d6\u05d5\u05d5\u05d9\u05ea \u05e9\u05dc 90\u00b0 (\u05e8\u05d0\u05d4 \u05d0\u05d9\u05d5\u05e8 7.26). \u05d0\u05d9\u05d5\u05e8 7.26: \u05d7\u05d5\u05e7 \u05d1\u05e8\u05d5\u05e1\u05d8\u05e8 \u05d1\u05e6\u05d5\u05e8\u05d4 \u05db\u05dc\u05dc\u05d9\u05ea, \u05e2\u05d1\u05d5\u05e8 \u05d7\u05d5\u05de\u05e8 \u05db\u05dc\u05e9\u05d4\u05d5, \u05e7\u05d9\u05d9\u05de\u05ea \u05d6\u05d5\u05d5\u05d9\u05ea \u05e4\u05d2\u05d9\u05e2\u05d4 \u05de\u05e1\u05d5\u05d9\u05de\u05ea, \u05d4\u05e0\u05e7\u05e8\u05d0\u05ea \u05d6\u05d5\u05d5\u05d9\u05ea \u05d4\u05e7\u05d9\u05d8\u05d5\u05d1, &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2453\">\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":[54],"tags":[],"class_list":["post-2453","post","type-post","status-publish","format-standard","hentry","category-7-5---"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2453"}],"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=2453"}],"version-history":[{"count":7,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2453\/revisions"}],"predecessor-version":[{"id":5769,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2453\/revisions\/5769"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}