{"id":1038,"date":"2016-11-10T10:12:21","date_gmt":"2016-11-10T08:12:21","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=1038"},"modified":"2017-07-19T15:09:52","modified_gmt":"2017-07-19T12:09:52","slug":"%d7%a1%d7%99%d7%9b%d7%95%d7%9d-%d7%91%d7%99%d7%a0%d7%99%d7%99%d7%9d-2","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=1038","title":{"rendered":"\u05e1\u05d9\u05db\u05d5\u05dd \u05d1\u05d9\u05e0\u05d9\u05d9\u05dd"},"content":{"rendered":"<ul>\n<li><span style=\"color: #804000\"><strong>G<sub>L<\/sub> = \u05d4\u05d4\u05d2\u05d1\u05e8 \u05d1\u05de\u05e1\u05dc\u05d5\u05dc \u05dc\u05d5\u05dc\u05d0\u05d4 (Loop Gain)<\/strong><\/span>, \u05d4\u05d5\u05d0 \u05d4\u05e7\u05d5\u05d1\u05e2 \u05d0\u05dd \u05d4\u05e1\u05e4\u05e7 \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05e0\u05e4\u05dc\u05d8\u05ea \u05de\u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05d9\u05d2\u05d3\u05dc, \u05d9\u05e7\u05d8\u05df, \u05d0\u05d5 \u05d9\u05d9\u05e9\u05d0\u05e8 \u05e7\u05d1\u05d5\u05e2.<br \/>\n\u05d2\u05d5\u05d3\u05dc \u05d6\u05d4 \u05db\u05d5\u05dc\u05dc \u05d1\u05ea\u05d5\u05db\u05d5 \u05d0\u05ea \u05e1\u05da \u05db\u05dc \u05d4\u05d4\u05d2\u05d1\u05e8 \u05d5\u05d4\u05d0\u05d9\u05d1\u05d5\u05d3\u05d9\u05dd \u05e9\u05e2\u05d5\u05d1\u05e8\u05ea \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05de\u05d2\u05e0\u05d8\u05d9\u05ea \u05d1\u05de\u05e1\u05dc\u05d5\u05dc \u05e1\u05d2\u05d5\u05e8 (\u05d4\u05dc\u05d5\u05da \u05d5\u05e9\u05d5\u05d1) \u05d1\u05de\u05d4\u05d5\u05d3.<\/li>\n<\/ul>\n<p style=\"direction: ltr;text-align: center\">G<sub>L<\/sub>=R<sub>1<\/sub>R<sub>2<\/sub>G<sup>2<\/sup><sub>A<\/sub>M<\/p>\n<p><span style=\"color: #804000\"><strong>G<sub>A<\/sub> = \u05d4\u05d2\u05d1\u05e8 \u05d4\u05ea\u05d5\u05d5\u05da \u05d4\u05e4\u05e2\u05d9\u05dc<\/strong><\/span> \u05e2\u05e7\u05d1 \u05d4\u05e4\u05dc\u05d9\u05d8\u05d4 \u05d4\u05de\u05d0\u05d5\u05dc\u05e6\u05ea.<\/p>\n<p><strong><span style=\"color: #804000\">R<sub>1<\/sub> ,R<sub>2<\/sub> = \u05de\u05e7\u05d3\u05de\u05d9 \u05d4\u05d4\u05d7\u05d6\u05e8\u05d4<\/span><\/strong> \u05e9\u05dc \u05de\u05e8\u05d0\u05d5\u05ea \u05d4\u05e7\u05e6\u05d4 \u05e9\u05dc \u05d4\u05de\u05d4\u05d5\u05d3.<\/p>\n<p><span style=\"color: #804000\"><strong>M = \u05d2\u05d5\u05e8\u05dd \u05d4\u05d0\u05d9\u05d1\u05d5\u05d3\u05d9\u05dd \u05d4\u05d0\u05d5\u05e4\u05d8\u05d9\u05d9\u05dd<\/strong> <\/span>\u05d1\u05de\u05e1\u05dc\u05d5\u05dc \u05e1\u05d2\u05d5\u05e8 (\u05d4\u05dc\u05d5\u05da \u05d5\u05e9\u05d5\u05d1) \u05d1\u05d9\u05df \u05de\u05e8\u05d0\u05d5\u05ea \u05d4\u05de\u05d4\u05d5\u05d3.<\/p>\n<ul>\n<li><span style=\"color: #804000\"><strong>\u05db\u05d0\u05e9\u05e8 G<sub>L<\/sub> = 1<\/strong><\/span>, \u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05e4\u05d5\u05e2\u05dc <span style=\"color: #804000\"><strong>\u05d1\u05de\u05e6\u05d1 \u05e2\u05de\u05d9\u05d3 (Steady State)<\/strong><\/span>, \u05db\u05dc\u05d5\u05de\u05e8: \u05de\u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05e0\u05e4\u05dc\u05d8\u05ea \u05e7\u05e8\u05d9\u05e0\u05d4 \u05d1\u05d4\u05e1\u05e4\u05e7 \u05e7\u05d1\u05d5\u05e2 \u05e8\u05e6\u05d9\u05e3. \u05d6\u05d4\u05d5 <span style=\"color: #804000\"><strong>\u05ea\u05e0\u05d0\u05d9 \u05d4\u05e1\u05e3 \u05dc\u05dc\u05d6\u05d9\u05e8\u05d4<\/strong><\/span>, \u05d5\u05d4\u05d2\u05d1\u05e8 \u05d4\u05ea\u05d5\u05d5\u05da \u05d4\u05e4\u05e2\u05d9\u05dc \u05d4\u05de\u05ea\u05d0\u05d9\u05dd \u05dc\u05ea\u05e0\u05d0\u05d9 \u05d6\u05d4 \u05d4\u05d5\u05d0:<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-1044 size-full\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/11\/Image35-1.gif\" alt=\"(G_{A})_{th}=\\frac{1}{\\sqrt{R_{1}R_{2}M}}\" width=\"106\" height=\"50\" \/><\/p>\n<ul>\n<li><span style=\"color: #804000\"><strong>\u05de\u05e7\u05d3\u05dd \u05d4\u05d0\u05d9\u05d1\u05d5\u05d3\u05d9\u05dd (\u03b1) \u05d5\u05de\u05e7\u05d3\u05dd \u05d4\u05d4\u05d2\u05d1\u05e8\u05d4 (\u03b2)<\/strong><\/span> \u05d4\u05dd \u05d4\u05e7\u05d5\u05d1\u05e2\u05d9\u05dd <span style=\"color: #804000\"><strong>\u05d0\u05ea \u05d2\u05d5\u05e8\u05dd \u05d4\u05d0\u05d9\u05d1\u05d5\u05d3\u05d9\u05dd (M) \u05d5\u05d4\u05d2\u05d1\u05e8 \u05d4\u05ea\u05d5\u05d5\u05da \u05d4\u05e4\u05e2\u05d9\u05dc (G<sub>A<\/sub>)<\/strong><\/span>:<\/li>\n<\/ul>\n<p style=\"direction: ltr;text-align: center\">M=exp(-2\u03b1L)<\/p>\n<p style=\"direction: ltr;text-align: center\">G<sub>A<\/sub>=exp(+\u03b2L)<\/p>\n<p><strong>L<\/strong> = \u05d0\u05d5\u05e8\u05da \u05d4\u05de\u05d4\u05d5\u05d3 (\u05d1\u05e9\u05dc\u05d1 \u05d6\u05d4 \u05d4\u05e0\u05d7\u05e0\u05d5 \u05dc\u05e6\u05d5\u05e8\u05da \u05e4\u05e9\u05d8\u05d5\u05ea \u05db\u05d9 \u05d0\u05d5\u05e8\u05da \u05d4\u05de\u05d4\u05d5\u05d3 \u05e9\u05d5\u05d5\u05d4 \u05dc\u05d0\u05d5\u05e8\u05da \u05d4\u05ea\u05d5\u05d5\u05da \u05d4\u05e4\u05e2\u05d9\u05dc).<\/p>\n<p style=\"direction: ltr;text-align: center\">G<sub>L<\/sub>=R<sub>1<\/sub>R<sub>2<\/sub>exp[2(\u03b2-\u03b1)L]<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=1031\"><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=1049\"><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>GL = \u05d4\u05d4\u05d2\u05d1\u05e8 \u05d1\u05de\u05e1\u05dc\u05d5\u05dc \u05dc\u05d5\u05dc\u05d0\u05d4 (Loop Gain), \u05d4\u05d5\u05d0 \u05d4\u05e7\u05d5\u05d1\u05e2 \u05d0\u05dd \u05d4\u05e1\u05e4\u05e7 \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05e0\u05e4\u05dc\u05d8\u05ea \u05de\u05d4\u05dc\u05d9\u05d9\u05d6\u05e8 \u05d9\u05d2\u05d3\u05dc, \u05d9\u05e7\u05d8\u05df, \u05d0\u05d5 \u05d9\u05d9\u05e9\u05d0\u05e8 \u05e7\u05d1\u05d5\u05e2. \u05d2\u05d5\u05d3\u05dc \u05d6\u05d4 \u05db\u05d5\u05dc\u05dc \u05d1\u05ea\u05d5\u05db\u05d5 \u05d0\u05ea \u05e1\u05da \u05db\u05dc \u05d4\u05d4\u05d2\u05d1\u05e8 \u05d5\u05d4\u05d0\u05d9\u05d1\u05d5\u05d3\u05d9\u05dd \u05e9\u05e2\u05d5\u05d1\u05e8\u05ea \u05d4\u05e7\u05e8\u05d9\u05e0\u05d4 \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05de\u05d2\u05e0\u05d8\u05d9\u05ea \u05d1\u05de\u05e1\u05dc\u05d5\u05dc \u05e1\u05d2\u05d5\u05e8 (\u05d4\u05dc\u05d5\u05da \u05d5\u05e9\u05d5\u05d1) \u05d1\u05de\u05d4\u05d5\u05d3. GL=R1R2G2AM GA = \u05d4\u05d2\u05d1\u05e8 &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=1038\">\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":[28],"tags":[],"class_list":["post-1038","post","type-post","status-publish","format-standard","hentry","category-5-2------"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/1038"}],"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=1038"}],"version-history":[{"count":7,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions"}],"predecessor-version":[{"id":5402,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/1038\/revisions\/5402"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}