{"id":2049,"date":"2016-11-28T13:29:38","date_gmt":"2016-11-28T11:29:38","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2049"},"modified":"2017-07-30T13:01:45","modified_gmt":"2017-07-30T10:01:45","slug":"%d7%93%d7%95%d7%92%d7%9e%d7%90-7-7-%d7%9e%d7%a6%d7%99%d7%90%d7%aa-%d7%a7%d7%95%d7%98%d7%a8-%d7%a7%d7%a8%d7%9f-%d7%a9%d7%9c-%d7%90%d7%9c%d7%95%d7%9e%d7%94-%d7%92%d7%90%d7%95%d7%a1%d7%99%d7%90%d7%a0","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2049","title":{"rendered":"\u05d3\u05d5\u05d2\u05de\u05d0 7.7: \u05de\u05e6\u05d9\u05d0\u05ea \u05e7\u05d5\u05d8\u05e8 \u05e7\u05e8\u05df \u05e9\u05dc \u05d0\u05dc\u05d5\u05de\u05d4 \u05d2\u05d0\u05d5\u05e1\u05d9\u05d0\u05e0\u05d9\u05ea"},"content":{"rendered":"<p>\u05db\u05d0\u05e9\u05e8 \u05de\u05db\u05d5\u05d5\u05e0\u05d9\u05dd \u05dc\u05d9\u05d9\u05d6\u05e8 \u05d4\u05dc\u05d9\u05d5\u05dd &#8211; \u05e0\u05d0\u05d5\u05df \u05e9\u05d4\u05e1\u05e4\u05e7\u05d5 1 \u05de\u05d9\u05dc\u05d9\u05d5\u05d5\u05d0\u05d8 (\u05d6\u05d4\u05d5 \u05d4\u05d4\u05e1\u05e4\u05e7 \u05d4\u05de\u05e7\u05d5\u05d1\u05dc \u05e9\u05dc \u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05d1\u05de\u05e2\u05d1\u05d3\u05d4 \u05dc\u05e4\u05d9\u05d6\u05d9\u05e7\u05d4), \u05e2\u05dc \u05d7\u05e8\u05d9\u05e8 \u05d1\u05e7\u05d5\u05d8\u05e8 3 \u05de&quot;\u05de, \u05d4\u05d4\u05e1\u05e4\u05e7 \u05d4\u05de\u05d5\u05e2\u05d1\u05e8 \u05d4\u05d5\u05d0 0.5 \u05de\u05d9\u05dc\u05d9\u05d5\u05d5\u05d0\u05d8.<\/p>\n<p>\u05de\u05e6\u05d0 \u05d0\u05ea \u05e7\u05d5\u05d8\u05e8 \u05d4\u05e7\u05e8\u05df \u05ea\u05d5\u05da \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05d0\u05d9\u05d5\u05e8 7.12.<\/p>\n<h3><span style=\"color: #008000\"><strong>\u05e4\u05d9\u05ea\u05e8\u05d5\u05df \u05d3\u05d5\u05d2\u05de\u05d0 7.7:<\/strong><\/span><\/h3>\n<p>\u05dc\u05e4\u05d9 \u05d4\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd, \u05d4\u05d4\u05e2\u05d1\u05e8\u05d4:<\/p>\n<p style=\"text-align: center\">T = 50%<\/p>\n<p>\u05e7\u05d5\u05d8\u05e8 \u05d4\u05d7\u05e8\u05d9\u05e8:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">2a = 3 [mm]<\/p>\n<p>\u05e7\u05d5\u05d8\u05e8 \u05d4\u05e7\u05e8\u05df:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">2W = ?<\/p>\n<p>\u05e0\u05de\u05e6\u05d0 \u05e2\u05dc \u05d4\u05d2\u05e8\u05e3 \u05d0\u05ea \u05de\u05d9\u05e7\u05d5\u05dd \u05d4\u05d4\u05e2\u05d1\u05e8\u05d4 \u05e9\u05dc 50%:<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-2053 size-full\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/11\/E7s2q7-7.gif\" alt=\"\\frac{2a}{2W}=0.59\" width=\"74\" height=\"46\" \/><\/p>\n<p>\u05d5\u05de\u05db\u05d0\u05df \u05de\u05e7\u05d1\u05dc\u05d9\u05dd \u05d0\u05ea \u05e7\u05d5\u05d8\u05e8 \u05d4\u05e7\u05e8\u05df:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">2W = 2a\/0.59 = 3 [mm]\/0.59 = 5.08 [mm]<\/p>\n<p>\u05e0\u05d9\u05ea\u05df \u05d2\u05dd \u05dc\u05de\u05e6\u05d5\u05d0 \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea \u05d0\u05ea \u05d2\u05d5\u05d3\u05dc \u05d4\u05db\u05ea\u05dd \u05ea\u05d5\u05da \u05e9\u05d9\u05de\u05d5\u05e9 \u05d9\u05e9\u05d9\u05e8 \u05d1\u05d0\u05d5\u05ea\u05d4 \u05e0\u05d5\u05e1\u05d7\u05d4 \u05dc\u05e4\u05d9\u05d4 \u05e9\u05d5\u05e8\u05d8\u05d8 \u05d4\u05d2\u05e8\u05e3:<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-2054 size-medium\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/11\/E7s2q7-7-2-300x86.gif\" alt=\"W=\\frac{2\\cdot a^{2}}{\\ln \\cdot \\sqrt{\\frac{1}{1-T}}}=\\frac{2\\cdot (1.5\\cdot 10^{3}m)^{2}}{\\ln \\cdot \\sqrt{\\frac{1}{1-0.5}}}=2.55\\cdot 10^{-3}m\" width=\"300\" height=\"86\" \/><\/p>\n<p>\u05de\u05db\u05d9\u05d5\u05d5\u05df \u05e9\u05d2\u05d5\u05d3\u05dc \u05d4\u05db\u05ea\u05dd \u05de\u05d5\u05d2\u05d3\u05e8 \u05db 2W, \u05d4\u05e8\u05d9 \u05d4\u05d5\u05d0 \u05e9\u05d5\u05d5\u05d4 \u05dc5.1- \u05de&quot;\u05de, \u05d1\u05d3\u05d5\u05de\u05d4 \u05dc\u05ea\u05e9\u05d5\u05d1\u05d4 \u05e9\u05d4\u05ea\u05e7\u05d1\u05dc\u05d4 \u05e2&quot;\u05d9 \u05d4\u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05d2\u05e8\u05e3.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2057\"><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=2042\"><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>\u05db\u05d0\u05e9\u05e8 \u05de\u05db\u05d5\u05d5\u05e0\u05d9\u05dd \u05dc\u05d9\u05d9\u05d6\u05e8 \u05d4\u05dc\u05d9\u05d5\u05dd &#8211; \u05e0\u05d0\u05d5\u05df \u05e9\u05d4\u05e1\u05e4\u05e7\u05d5 1 \u05de\u05d9\u05dc\u05d9\u05d5\u05d5\u05d0\u05d8 (\u05d6\u05d4\u05d5 \u05d4\u05d4\u05e1\u05e4\u05e7 \u05d4\u05de\u05e7\u05d5\u05d1\u05dc \u05e9\u05dc \u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05d1\u05de\u05e2\u05d1\u05d3\u05d4 \u05dc\u05e4\u05d9\u05d6\u05d9\u05e7\u05d4), \u05e2\u05dc \u05d7\u05e8\u05d9\u05e8 \u05d1\u05e7\u05d5\u05d8\u05e8 3 \u05de&quot;\u05de, \u05d4\u05d4\u05e1\u05e4\u05e7 \u05d4\u05de\u05d5\u05e2\u05d1\u05e8 \u05d4\u05d5\u05d0 0.5 \u05de\u05d9\u05dc\u05d9\u05d5\u05d5\u05d0\u05d8. \u05de\u05e6\u05d0 \u05d0\u05ea \u05e7\u05d5\u05d8\u05e8 \u05d4\u05e7\u05e8\u05df \u05ea\u05d5\u05da \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05d0\u05d9\u05d5\u05e8 7.12. \u05e4\u05d9\u05ea\u05e8\u05d5\u05df \u05d3\u05d5\u05d2\u05de\u05d0 7.7: \u05dc\u05e4\u05d9 \u05d4\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd, \u05d4\u05d4\u05e2\u05d1\u05e8\u05d4: &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=2049\">\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":[51],"tags":[],"class_list":["post-2049","post","type-post","status-publish","format-standard","hentry","category-7-2-----"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2049"}],"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=2049"}],"version-history":[{"count":7,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2049\/revisions"}],"predecessor-version":[{"id":5696,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/2049\/revisions\/5696"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}