{"id":38817,"date":"2011-08-20T15:10:25","date_gmt":"2011-08-20T07:10:25","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=38817"},"modified":"2021-10-06T16:24:05","modified_gmt":"2021-10-06T08:24:05","slug":"%e8%97%8d%e5%85%89%e9%9b%b7%e5%b0%84%ef%bc%88blue-laser%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/%e8%97%8d%e5%85%89%e9%9b%b7%e5%b0%84%ef%bc%88blue-laser%ef%bc%89\/","title":{"rendered":"\u85cd\u5149\u96f7\u5c04\uff08Blue laser\uff09"},"content":{"rendered":"<div class=\"pf-content\"><p><strong><span style=\"color: #ff6600;\">\u85cd\u5149\u96f7\u5c04\uff08Blue laser\uff09<\/span><br \/>\n<span style=\"color: #008000;\">\u53f0\u4e2d\u7e23\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/span><\/strong><\/p>\n<p>\u6240\u8b02\u85cd\u5149\u96f7\u5c04\u6cdb\u6307\u767c\u51fa\u85cd\u8272\u53ef\u898b\u5149\u7684\u96f7\u5c04\uff0c\u5e38\u898b\u7684\u85cd\u5149\u96f7\u5c04\u767c\u5149\u6ce2\u9577\u61c9\u754c\u5728360\u5230480\u5948\u7c73\u3002\u76ee\u524d\u5e02\u9762\u4e0a\u6700\u5e38\u898b\u7684\u85cd\u5149\u96f7\u5c04\u662f\u7531\u4e2d\u6751\u4fee\u4e8c(Nakamura)\u5728\u65e5\u4e9e\u5316\u5b78(Nichia)\u516c\u53f8\u7814\u767c\u51fa\u4f86\u7684\u6c2e\u5316\u92a6\u93b5\u96f7\u5c04\u3002<\/p>\n<p>\u5e38\u898b\u7684\u85cd\u5149\u96f7\u5c04\u7d50\u69cb\uff0c\u7531n\u5230p\u53ef\u4ee5\u5206\u6210\u4ee5\u4e0b\u5e7e\u5c64:<!--more--><\/p>\n<ul type=\"1\">\n<li>\u57fa\u677f(substrate):\u5927\u90e8\u5206\u662f\u7531\u85cd\u5bf6\u77f3(sapphire)\u6240\u7d44\u6210\uff0c\u85cd\u5bf6\u77f3\u662f\u76ee\u524d\u6676\u683c\u5e38\u6578(lattice  constant)\u6700\u63a5\u8fd1\u6c2e\u5316\u93b5(GaN)\u7684\u57fa\u672c\u6750\u6599\uff0c\u4f46\u662f\u5b83\u6709\u4ee5\u4e0b\u5169\u500b\u7f3a\u9ede:\u7b2c\u672c\u4e0d\u4fbf\u5b9c\u3001\u7b2c\u4e8c\u7d55\u7de3\u9ad4\u3002\u4f46\u662f\u76ee\u524d\u6c92\u6709\u66f4\u597d\u7684\u57fa\u677f\u53ef\u4ee5\u53d6\u4ee3\u85cd\u5bf6\u77f3\uff0c\u4ee5\u5f8c\u6709\u53ef \u80fd\u6703\u7528\u77fd\u57fa\u677f\u53d6\u4ee3\uff0c\u6c2e\u662f\u77fd\u7684\u6676\u683c\u5e38\u6578\u8207\u6c2e\u5316\u93b5\u76f8\u5dee\u904e\u5927\uff0c\u6703\u9020\u6210\u5de8\u5927\u7684\u61c9\u529b(strain)\u800c\u53ef\u80fd\u9020\u6210\u65b7\u88c2\uff0c\u6240\u4ee5\u76ee\u524d\u4ecd\u5728\u7a4d\u6975\u7814\u7a76\u4e2d\u3002<\/li>\n<li>N\u84cb\u5c64(cap layer)\u6216\u7de9\u885d\u5c64(buffer layer):\u6b64\u70ba\u5229\u7528\u4f4e\u6eab\u6210\u9577\u7684\u975e\u6676\u77fd\u6c2e\u5316\u93b5\uff0c\u85c9\u4ee5\u7de9\u885d\u85cd\u5bf6\u77f3\u8207\u6c2e\u5316\u93b5\u5de8\u5927\u7684\u6676\u683c\u4e0d\u5339\u914d\uff0c\u56e0\u6b64\u53c8\u53ef\u7a31\u70ba\u6210\u6838\u5c64(nucleation layer)\u3002\u56e0\u70ba\u5b83\u662f\u4f4e\u6eab\u6210\u9577\uff0c\u6240\u4ee5\u5927\u90e8\u5206\u662f\u975e\u6676\u7cfb(amorphous)\u3002<\/li>\n<li>N\u96fb\u6975\u5c64(contact layer):\u56e0\u70ba\u85cd\u5bf6\u77f3\u70ba\u7d55\u7de3\u9ad4\uff0c\u56e0\u6b64\u5fc5\u9808\u4f5c\u6210\u810a\u72c0\u7d50\u69cb\uff0c\u6545N\u96fb\u6975\u9700\u505a\u5728\u5074\u9762\uff0c\u65b9\u6cd5\u70ba\u6574\u584a\u6676\u9ad4\u6210\u9577\u5b8c\u7562\u5f8c\uff0c\u518d\u7528\u4e7e\u6027\u8755\u523b\u5c07\u5074\u908a\u4e0a\u5c64\u7684\u5e7e\u5c64\u53bb\u6389\uff0c\u4e26\u505a\u4e0a\u96fb\u6975\u3002<\/li>\n<li>\u4e95\u969c\u5c64(barrier  layers):\u56e0\u70ba\u91cf\u5b50\u4e95\u7d50\u69cb\u662f\u7531\u80fd\u5e36\u9593\u9699\u4e0d\u540c\u7684\u5169\u7a2e\u6750\u6599\u6240\u7d44\u6210\uff0c\u80fd\u5e36\u9593\u9699\u5c0f\u8005\u70ba\u4e95\u5c64\uff0c\u80fd\u5e36\u9593\u9699\u5927\u8005\u5c31\u7576\u6210\u4e95\u969c\u5c64\u3002\u505a\u6210\u91cf\u5b50\u4e95\u7d50\u69cb\u7684\u597d\u8655\u662f\u63d0\u5347\u96fb\u5b50\u8207\u96fb \u6d1e\u5728\u7a7a\u9593\u4e2d\u7684\u91cd\u758a\u7387(overlap)\uff0c\u56e0\u70ba\u96fb\u5b50\u8207\u96fb\u6d1e\u5728\u7a7a\u9593\u4e2d\u7684\u91cd\u758a\u7387\u63d0\u5347\u4e86\uff0c\u5c31\u5bb9\u6613\u7522\u751f\u53d7\u6fc0\u8f3b\u5c04\uff0c\u63d0\u5347\u96f7\u5c04\u7684\u6548\u7387\uff0c\u964d\u4f4e\u81e8\u754c\u96fb\u6d41(threshold  current)\u3002<\/li>\n<li>\u4e95\u5c64(well layers):\u91cf\u5b50\u4e95\u7d50\u69cb\u4e2d\u80fd\u5e36\u9593\u9699\u8f03\u5c0f\u8005\u88ab\u7576\u6210\u4e95\u5c64\uff0c\u662f\u4e3b\u8981\u6c7a\u5b9a\u767c\u5149\u6ce2\u9577\u7684\u4e00\u5c64\uff0c\u4e95\u5c64\u7684\u4e95\u5bec\uff0c\u4e5f\u5c07\u6c7a\u5b9a\u767c\u5149\u7684\u6ce2\u9577\u4f4d\u79fb\u8207\u6548\u7387\u3002\u5728\u591a\u91cf\u5b50\u4e95\u7d50\u69cb\u4e2d\uff0c\u4e95\u5c64\u4e0d\u53ea\u662f\u4e00\u5c64\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u53d7\u6fc0\u8f3b\u5c04\u7684\u6a5f\u6703\u3002<\/li>\n<li>\u96fb\u5b50\u963b\u7919\u5c64(electron blocking layer):\u76f8\u8f03\u65bc\u78f7\u5316\u7269\u8207\u7837\u5316\u7269\uff0c\u6c2e\u5316\u93b5\u6216\u6c2e\u5316\u92a6\u93b5\u7684\u80fd\u5e36\u9593\u9699\u8f03\u5927\uff0c\u56e0\u6b64\u96fb\u5b50\u5bb9\u6613\u6ea2\u51fa\u6d3b\u6027\u5340\u800c\u5230\u9054p\u6975\uff0c\u9032\u800c\u8207p\u6975\u7684\u591a\u6578\u8f09\u5b50\u96fb\u6d1e\u8907\u5408\uff0c\u4f46\u662f\u9019\u6a23\u7684\u8907\u5408\u7121\u6cd5\u8ca2\u737b\u7522\u751f\u96f7\u5c04\uff0c\u53cd\u800c\u6703\u5f62\u6210\u71b1\uff0c\u5f71\u97ff\u96f7\u5c04\u6027\u80fd\u3002<\/li>\n<li>P\u84cb\u5c64:\u8207N\u84cb\u5c64\u5171\u540c\u5f62\u6210\u6ce2\u5c0e(waveguide)\u7d50\u69cb\u3002<\/li>\n<li>P\u96fb\u6975\u5c64:\u70ba\u6574\u6676\u9ad4\u7684\u6700\u4e0a\u65b9\u3002<\/li>\n<\/ul>\n<div id=\"attachment_38818\" style=\"width: 567px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2011\/08\/027.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38818\" class=\"size-full wp-image-38818\" title=\"02\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2011\/08\/027.jpg\" alt=\"\" width=\"557\" height=\"317\" \/><\/a><p id=\"caption-attachment-38818\" class=\"wp-caption-text\">\u300a\u5404\u7a2e\u5149\u789f\u898f\u683c\u7684\u96f7\u5c04\u6ce2\u9577\u8207 NA \u503c\u300b<\/p><\/div>\n<p style=\"text-align: left;\"><strong>\u53c3\u8003\u8cc7\u6599: <\/strong><a href=\"http:\/\/en.wikipedia.org\/wiki\/Blue_laser\" target=\"_blank\"><br \/>\n1. http:\/\/en.wikipedia.org\/wiki\/Blue_laser<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u85cd\u5149\u96f7\u5c04\uff08Blue laser\uff09 \u53f0\u4e2d\u7e23\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb&hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,37,38],"tags":[4256,4255],"class_list":["post-38817","post","type-post","status-publish","format-standard","hentry","category-physics00","category-physics08","category-physics08-01","tag-blue-laser","tag-4255","avhec_catgroup-all","loop-entry","cat-107","cat-37","cat-38","no-thumbnail"],"views":6705,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/38817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=38817"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/38817\/revisions"}],"predecessor-version":[{"id":87996,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/38817\/revisions\/87996"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=38817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=38817"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=38817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}