{"id":660,"date":"2016-10-26T14:54:52","date_gmt":"2016-10-26T11:54:52","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=660"},"modified":"2017-07-09T11:32:43","modified_gmt":"2017-07-09T08:32:43","slug":"%d7%90%d7%95%d7%a4%d7%a0%d7%99-%d7%aa%d7%a0%d7%95%d7%93%d7%94-%d7%91%d7%9e%d7%94%d7%95%d7%93","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=660","title":{"rendered":"\u05d0\u05d5\u05e4\u05e0\u05d9 \u05ea\u05e0\u05d5\u05d3\u05d4 \u05d1\u05de\u05d4\u05d5\u05d3"},"content":{"rendered":"<p>\u05d0\u05ea \u05d4\u05e7\u05e9\u05e8 \u05d4\u05de\u05ea\u05de\u05d8\u05d9 \u05d4\u05d0\u05d7\u05e8\u05d5\u05df \u05e2\u05d1\u05d5\u05e8 \u05d4\u05d0\u05d5\u05e4\u05df \u05d4 \u2013 m \u05e0\u05e8\u05e9\u05d5\u05dd:<\/p>\n<p style=\"text-align: center\"><strong>c = n\u03bb<sub>m<\/sub>\u2228<sub>m<\/sub><\/strong><\/p>\n<p><span style=\"color: #800080\"><strong>\u03bb<sub>m<\/sub><\/strong><\/span>= \u05d0\u05d5\u05e8\u05da \u05d2\u05dc \u05e9\u05dc \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4- m <span style=\"color: #800040\"><strong>\u05d1\u05ea\u05d5\u05d5\u05da<\/strong><\/span>.<br \/>\n<span style=\"color: #800080\"><strong><sub>m<\/sub>\u2228<\/strong><\/span> = \u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4- m \u05e9\u05dc \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05de\u05d2\u05e0\u05d8\u05d9\u05ea.<\/p>\n<p>\u05db\u05d0\u05e9\u05e8 \u05e0\u05e6\u05d9\u05d1 \u05d0\u05ea \u03bb<sub>m<\/sub>\u00a0\u05de\u05d4\u05e0\u05d5\u05e1\u05d7\u05d4 \u05d4\u05e8\u05d0\u05e9\u05d5\u05e0\u05d4 (\u05ea\u05e0\u05d0\u05d9 \u05dc\u05d2\u05dc\u05d9\u05dd \u05e2\u05d5\u05de\u05d3\u05d9\u05dd) \u05dc\u05e0\u05d5\u05e1\u05d7\u05d4 \u05d4\u05d0\u05d7\u05e8\u05d5\u05e0\u05d4 \u05e0\u05e7\u05d1\u05dc:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>\u2228<sub>m<\/sub> = c\/(n\u03bb<sub>m<\/sub>) = c\/(n*(2L\/m)) = m(c\/2nL)<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>==&gt; \u2228<sub>m<\/sub>= m(c\/2nL)<\/strong><\/p>\n<p>\u05d4\u05d2\u05d5\u05d3\u05dc \u05d4\u05de\u05d5\u05e4\u05d9\u05e2 \u05d1\u05e1\u05d5\u05d2\u05e8\u05d9\u05d9\u05dd \u05d4\u05d5\u05d0 <strong><span style=\"color: #804000\">\u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4\u05e8\u05d0\u05e9\u05d5\u05df \u05d4\u05d0\u05e4\u05e9\u05e8\u05d9 \u05d1\u05de\u05d4\u05d5\u05d3<\/span><\/strong>:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>\u2228<sub>0<\/sub>\u00a0= c\/(2nL)<\/strong><\/p>\n<p>\u05d5\u05dc\u05db\u05df \u05d4\u05d5\u05d0 \u05e0\u05e7\u05e8\u05d0 <strong><span style=\"color: #804000\">\u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d0\u05d5\u05e8\u05db\u05d9 \u05d4\u05d1\u05e1\u05d9\u05e1\u05d9<\/span><\/strong>.<\/p>\n<p><span style=\"color: #800080\"><strong>\u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d1\u05e1\u05d9\u05e1\u05d9 \u05d4\u05d9\u05d0 \u05d4\u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d4\u05d1\u05e1\u05d9\u05e1\u05d9\u05ea \u05e9\u05dc \u05d4\u05de\u05d4\u05d5\u05d3.<\/strong><\/span><\/p>\n<p><span style=\"color: #804000\"><strong>\u05de\u05e1\u05e7\u05e0\u05d4: \u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05db\u05dc \u05d0\u05d5\u05e4\u05df \u05ea\u05e0\u05d5\u05d3\u05d4 \u05e9\u05d5\u05d5\u05d4 \u05dc\u05de\u05db\u05e4\u05dc\u05ea \u05de\u05e1\u05e4\u05e8 \u05d4\u05d0\u05d5\u05e4\u05df m \u05d1\u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d1\u05e1\u05d9\u05e1\u05d9.<\/strong><\/span><\/p>\n<p><span style=\"color: #804000\"><strong>\u05de\u05de\u05e1\u05e7\u05e0\u05d4 \u05d6\u05d5 \u05e8\u05d5\u05d0\u05d9\u05dd \u05de\u05d9\u05d9\u05d3 \u05db\u05d9:<\/strong><\/span><\/p>\n<p><strong>\u0394\u2228<sub>MS<\/sub> <\/strong>= \u05d4\u05e4\u05e8\u05e9 \u05d4\u05ea\u05d3\u05d9\u05e8\u05d5\u05d9\u05d5\u05ea \u05d1\u05d9\u05df \u05e9\u05e0\u05d9 \u05d0\u05d5\u05e4\u05e0\u05d9 \u05ea\u05e0\u05d5\u05d3\u05d4 \u05e1\u05de\u05d5\u05db\u05d9\u05dd (<span style=\"color: #800040\"><strong>Mode Spacing<\/strong><\/span>), \u05e0\u05d9\u05ea\u05df \u05e2&quot;\u05d9:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>\u0394\u2228<sub>MS<\/sub>= c\/(2nL)<\/strong><\/p>\n<p>\u05db\u05dc\u05d5\u05de\u05e8: <span style=\"color: #804000\"><strong>\u05d4\u05e4\u05e8\u05e9 \u05d4\u05ea\u05d3\u05d9\u05e8\u05d5\u05d9\u05d5\u05ea \u05d1\u05d9\u05df \u05e9\u05e0\u05d9 \u05d0\u05d5\u05e4\u05e0\u05d9 \u05ea\u05e0\u05d5\u05d3\u05d4 \u05e1\u05de\u05d5\u05db\u05d9\u05dd \u05e9\u05d5\u05d5\u05d4 \u05dc\u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d4\u05d1\u05e1\u05d9\u05e1\u05d9\u05ea \u05e9\u05dc \u05d4\u05de\u05d4\u05d5\u05d3<\/strong><\/span>.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=655\"><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=663\"><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>\u05d0\u05ea \u05d4\u05e7\u05e9\u05e8 \u05d4\u05de\u05ea\u05de\u05d8\u05d9 \u05d4\u05d0\u05d7\u05e8\u05d5\u05df \u05e2\u05d1\u05d5\u05e8 \u05d4\u05d0\u05d5\u05e4\u05df \u05d4 \u2013 m \u05e0\u05e8\u05e9\u05d5\u05dd: c = n\u03bbm\u2228m \u03bbm= \u05d0\u05d5\u05e8\u05da \u05d2\u05dc \u05e9\u05dc \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4- m \u05d1\u05ea\u05d5\u05d5\u05da. m\u2228 = \u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d0\u05d5\u05e4\u05df \u05d4\u05ea\u05e0\u05d5\u05d3\u05d4 \u05d4- m \u05e9\u05dc \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05de\u05d2\u05e0\u05d8\u05d9\u05ea. \u05db\u05d0\u05e9\u05e8 \u05e0\u05e6\u05d9\u05d1 \u05d0\u05ea \u03bbm\u00a0\u05de\u05d4\u05e0\u05d5\u05e1\u05d7\u05d4 \u05d4\u05e8\u05d0\u05e9\u05d5\u05e0\u05d4 (\u05ea\u05e0\u05d0\u05d9 \u05dc\u05d2\u05dc\u05d9\u05dd \u05e2\u05d5\u05de\u05d3\u05d9\u05dd) &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=660\">\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":[23],"tags":[],"class_list":["post-660","post","type-post","status-publish","format-standard","hentry","category-4-1--"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/660"}],"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=660"}],"version-history":[{"count":4,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions"}],"predecessor-version":[{"id":5276,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions\/5276"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}