{"id":26367,"date":"2016-12-20T00:34:38","date_gmt":"2016-12-19T16:34:38","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=26367"},"modified":"2018-08-03T15:29:37","modified_gmt":"2018-08-03T07:29:37","slug":"%e9%9b%b7%e5%b0%84%e7%b3%bb%e5%88%97%e4%ba%8c%ef%bc%9a%e5%a6%82%e4%bd%95%e7%94%a2%e7%94%9f%e9%9b%b7%e5%b0%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=26367","title":{"rendered":"\u96f7\u5c04\u7cfb\u5217\u4e8c\uff1a\u5982\u4f55\u7522\u751f\u96f7\u5c04\uff1f"},"content":{"rendered":"<figure id=\"attachment_26368\" aria-describedby=\"caption-attachment-26368\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-26368\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/Laser3.jpg\" alt=\"(CC-BY-SA))\" width=\"450\" height=\"312\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/Laser3.jpg 980w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/Laser3-600x416.jpg 600w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/Laser3-800x555.jpg 800w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption id=\"caption-attachment-26368\" class=\"wp-caption-text\">(CC-BY-SA))<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u65b9\u7a0b\u6bc5<\/p>\n<p>\u5728<a href=\"http:\/\/case.ntu.edu.tw\/blog\/?p=26105\">\u96f7\u5c04\u7cfb\u5217\u4e00<\/a>\u4ecb\u7d39\u96f7\u5c04\u7684\u6027\u8cea\u5f8c\uff0c\u7cfb\u5217\u4e8c\u6211\u5011\u4f86\u8ac7\u8ac7\u96f7\u5c04\u600e\u9ebc\u5f62\u6210\u7684\u3002<\/p>\n<p>\u96f7\u5c04\u7684\u6210\u56e0\u662f\u300c\u5149\u5728\u5171\u632f\u8154\u5167\u5171\u632f\u4e26\u85c9\u7531\u589e\u76ca\u7269\u8cea(gain media)\u5c07\u80fd\u91cf\u653e\u5927\u300d\u3002\u5149\u7684\u672c\u8cea\u662f\u6ce2\u52d5\uff0c\u8981\u7406\u89e3\u9019\u53e5\u8a71\uff0c\u53ef\u4ee5\u5f9e\u6bd4\u8f03\u7c21\u55ae\u7684\u6ce2\u52d5\u73fe\u8c61\u89e3\u91cb\u3002\u4e0b\u5716(a)\u70ba\u7e69\u5b50\u56fa\u5b9a\u65bc\u7246\u5169\u7aef\u5f62\u6210\u99d0\u6ce2\u4e4b\u793a\u610f\u5716\uff0c\u99d0\u6ce2\u7684\u6210\u56e0\u662f\u5171\u632f\uff0c\u610f\u5373\u5169\u9762\u7246\u5f62\u6210\u4e00\u500b\u5171\u632f\u8154(resonator)\uff0c\u8b93\u7279\u5b9a\u983b\u7387\u7684\u99d0\u6ce2\u5b58\u5728\uff0c\u540c\u6642\u5132\u5b58\u99d0\u6ce2\u80fd\u91cf\u4f7f\u5176\u4e0d\u6703\u6563\u9038\u3002\u99d0\u6ce2\u8981\u80fd\u5728\u5171\u632f\u8154\u5f62\u6210\u5fc5\u9808\u5177\u5099\u7279\u5b9a\u983b\u7387\uff0c\u9019\u4e9b\u7279\u5b9a\u5171\u632f\u983b\u7387\u88ab\u7a31\u70ba\u6a21\u614b(mode)\uff0c\u6bcf\u500b\u5171\u632f\u8154\u6839\u64da\u5176\u8a2d\u8a08\u53ca\u5c3a\u5bf8\u4e4b\u4e0d\u540c\u6703\u652f\u6301\u4e0d\u540c\u983b\u7387\u7684\u6a21\u614b\u5b58\u5728\uff0c\u4ee5\u5716(a)\u4f86\u8aaa\uff0c\u53ea\u6709\u7bc0\u9ede\u9593\u8ddd\u96e2\u662f L\u3001L\/2\u3001L\/3\u2026\u2026\u7684\u99d0\u6ce2\u6a21\u614b\u80fd\u5728\u8a72\u5171\u632f\u8154\u88e1\u751f\u5b58\u3002\u5047\u8a2d\u5169\u9762\u7246\u4e4b\u9593\u8ddd\u96e2\u8b8a\u9577\uff0c\u80fd\u5920\u5728\u88e1\u9762\u5f62\u6210\u99d0\u6ce2\u7684\u983b\u7387(\u6ce2\u9577)\u4fbf\u4e0d\u76f8\u540c\u3002<!--more--><\/p>\n<p>\u5047\u8a2d\u73fe\u5728\u6709\u4e00\u500b\u5149\u5b78\u5171\u632f\u8154\uff0c\u6211\u5011\u5916\u90e8\u4f9b\u7d66\u80fd\u91cf\uff0c\u5728\u5171\u632f\u8154\u96a8\u6a5f\u7522\u751f\u5404\u7a2e\u6ce2\u9577\u7684\u5149\uff0c\u4f46\u6700\u5f8c\u53ea\u6703\u6709\u8a72\u5149\u5b78\u5171\u632f\u8154\u5141\u8a31\u7684\u6ce2\u9577(\u983b\u7387)\u6703\u7522\u751f\u99d0\u6ce2\u5f62\u6210\u5171\u632f\uff0c\u5f62\u6210\u5171\u632f\u7684\u5149\u6ce2\u624d\u80fd\u88ab\u4fdd\u7559\u4e0b\u4f86\uff0c\u5176\u4ed6\u672a\u5171\u632f\u7684\u5149\u6ce2\u80fd\u91cf\u5c31\u6703\u96a8\u6642\u9593\u6d88\u6563\u3002\u9019\u662f\u96f7\u5c04\u80fd\u5920\u7522\u751f\u55ae\u4e00\u6ce2\u9577\u5149\u675f\u7684\u91cd\u8981\u5143\u7d20\uff1a\u5171\u632f\u8154\u53ef\u4ee5\u9078\u64c7\u7279\u5b9a\u6ce2\u9577\u7684\u5149\u7559\u4e0b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-26370\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/1205.png\" alt=\"1205\" width=\"600\" height=\"590\"><\/p>\n<p>\u4f46\u9019\u6a23\u9084\u4e0d\u5920\uff0c\u5171\u632f\u8154\u5145\u5176\u91cf\u662f\u628a\u80fd\u91cf\u7559\u8d77\u4f86\u4e0d\u81f3\u65bc\u6563\u9038\uff0c\u5149\u6ce2\u80fd\u91cf\u4e0d\u6703\u88ab\u653e\u5927\u3002\u56e0\u6b64\u9700\u8981\u96f7\u5c04\u7684\u53e6\u4e00\u500b\u5143\u7d20\uff1a\u589e\u76ca\u7269\u8cea(gain media)\u3002\u589e\u76ca\u7269\u8cea\u7684\u539f\u7406\u6211\u5011\u5373\u5c07\u5728\u7cfb\u5217\u4e09\u89e3\u91cb\uff0c\u5176\u9867\u540d\u601d\u7fa9\u662f\u500b\u53ef\u4ee5\u628a\u5149\u80fd\u91cf\u589e\u76ca\u653e\u5927\u7684\u6750\u6599\u3002\u4f46\u7279\u5225\u7684\u662f\uff0c\u589e\u76ca\u7269\u8cea\u4e26\u4e0d\u6703\u628a\u6240\u6709\u6ce2\u9577\u7684\u5149\u80fd\u91cf\u90fd\u653e\u5927\uff0c\u800c\u662f\u6839\u64da\u6750\u6599\u7279\u6027\u4e0d\u540c\u91dd\u5c0d\u7279\u5b9a\u6ce2\u9577\u9032\u884c\u653e\u5927\u3002<\/p>\n<p>\u589e\u76ca\u7269\u8cea\u5982\u4f55\u5de5\u4f5c\u5982\u5716(b)\uff0c\u9ec3\u8272\u77e9\u5f62\u5373\u662f\u589e\u76ca\u7269\u8cea\uff0c\u5047\u8a2d\u9019\u7a2e\u6750\u6599\u53ea\u653e\u5927\u7bc0\u9ede\u8ddd\u96e2\u70ba L\/2 \u99d0\u6ce2\uff0c\u5176\u4ed6\u7684\u4e0d\u5f71\u97ff(\u6216\u662f\u5438\u6536\u80fd\u91cf)\uff0c\u7bc0\u9ede\u8ddd\u96e2\u70ba L\/2 \u99d0\u6ce2\u5728\u5171\u632f\u8154\u5167\u5c31\u6703\u4e0d\u65b7\u88ab\u653e\u5927\uff0c\u5176\u4ed6\u4e0d\u8b8a\u6216\u662f\u6d88\u6563\uff0c\u4e45\u800c\u4e45\u4e4b\uff0c\u7bc0\u9ede\u8ddd\u96e2 L\/2 \u99d0\u6ce2\u4fbf\u5bb0\u5236\u4e86\u6574\u500b\u5171\u632f\u8154\u5982\u5716(c)\uff0c\u80fd\u91cf\u5f37\u53c8\u53ea\u6709\u55ae\u6ce2\u9577\u7684\u96f7\u5c04\u5149\u5c31\u9019\u6a23\u7522\u751f\u4e86\uff0c\u9664\u6b64\u4e4b\u5916\uff0c\u5171\u632f\u8154\u9650\u5236\u4e86\u6ce2\u7684\u76f8\u4f4d\uff0c\u5c31\u50cf\u5716\u4e2d\u7d50\u9ede(node)\u4e00\u5b9a\u767c\u751f\u5728\u7246\u4e0a\uff0c\u4e5f\u56e0\u6b64\u7522\u751f\u7684\u5149\u5177\u540c\u8abf\u6027\u3002<\/p>\n<p>\u5716(a-2)-(c-2)\u662f\u6574\u500b\u904e\u7a0b\u7684\u793a\u610f\u5716\uff0c\u4e0d\u540c\u5149\u6ce2\u9577\u7684\u99d0\u6ce2\u53ef\u4ee5\u540c\u6642\u5b58\u5728\u65bc\u5171\u632f\u8154\uff0c\u4f46\u6700\u7d42\u53ea\u6709\u589e\u76ca\u7269\u8cea\u9078\u64c7\u7684\u6ce2\u9577\u88ab\u653e\u5927\u3002<\/p>\n<p><span style=\"color: #008080;\"><strong>\u6216\u8a31\u4f60\u9084\u6709\u4e00\u500b\u554f\u984c\uff0c\u99d0\u6ce2\u90fd\u5728\u5171\u632f\u8154\u88e1\u9762\uff0c\u90a3\u5149\u8981\u600e\u9ebc\u5c04\u51fa\u4f86\u5462\uff1f<\/strong><\/span><\/p>\n<p>\u6c92\u6709\u5171\u632f\u8154\u662f\u5b8c\u7f8e\u5132\u5b58\u80fd\u91cf\u7684\uff0c\u56e0\u6b64\u53ea\u8981\u5b83\u6703\u6f0f\uff0c\u5c31\u80fd\u5f9e\u5916\u9762\u6536\u5149\u3002\u81f3\u65bc\u5149\u8981\u6f0f\u591a\u5c11\u5c31\u662f\u4ef0\u8cf4\u96f7\u5c04\u8a2d\u8a08\u8005\u53bb\u7169\u60f1\u4e86\u3002<\/p>\n<p>\u5171\u632f\u8154\u7684\u8a2d\u8a08\u767e\u767e\u7a2e\uff0c\u672a\u5fc5\u8981\u50cf\u5716\u4e2d\u4e00\u6a23\u5169\u9053\u7246\uff0c\u74b0\u72c0 (ring resonator) \u6216\u67f1\u72c0\u4e5f\u90fd\u6709\u4eba\u4f7f\u7528\u3002\u96f7\u5c04\u5171\u632f\u8154\u53ef\u4ee5\u81ea\u7531\u8a2d\u8a08\uff0c\u4f46\u589e\u76ca\u7269\u8cea\u537b\u662f\u6750\u6599\u672c\u8eab\u7684\u7279\u6027\uff0c\u56e0\u6b64\u96f7\u5c04\u7684\u767c\u5149\u6ce2\u9577\u53d6\u6c7a\u65bc\u589e\u76ca\u7269\u8cea\uff0c\u5927\u90e8\u5206\u96f7\u5c04\u4e5f\u4ee5\u589e\u76ca\u7269\u8cea\u4f86\u547d\u540d\u3002\u4f8b\u5982\u7d05\u5149\u96f7\u5c04(\u6ce2\u9577\uff1a632.8 nm)\u6240\u4f7f\u7528\u7684\u589e\u76ca\u7269\u8cea\u70ba\u6c26\u6c23(He)\u53ca\u6c16\u6c23(Ne)\uff0c\u88ab\u7a31\u70ba\u300c\u6c26\u6c16\u96f7\u5c04\u300d\uff1b\u6ce2\u9577 730~850 nm&nbsp;\u4f7f\u7528\u9226\u85cd\u5bf6\u77f3 (Ti Sapphire)\uff0c\u88ab\u7a31\u70ba\u9226\u85cd\u5bf6\u77f3\u96f7\u5c04\uff1b\u800c\uff1c<a href=\"http:\/\/case.ntu.edu.tw\/blog\/?p=22022\" target=\"_blank\">\u7a4d\u9ad4\u5149\u8def\u7cfb\u5217\u56db\u2500\u6ce2\u9577\u7684\u9078\u64c7<\/a>\uff1e\u63d0\u53ca\u6ce2\u9577 1550 nm \u5247\u5fc5\u9808\u8981\u7528\u7837\u5316\u93b5\u92a6 (InGaAs) \u6216\u78f7\u7837\u5316\u93b5\u92a6 (InGaAsP) \u4f5c\u70ba\u589e\u76ca\u7269\u8cea\uff0c\u4f46\u56e0\u70ba\u9019\u88e1\u7684\u5316\u5408\u7269\u8f03\u8907\u96dc\uff0c\u57fa\u672c\u4e0a\u7d71\u7a31\u70ba\u534a\u5c0e\u9ad4\u96f7\u5c04\u3002<\/p>\n<p>\u901a\u5e38\u4f86\u8aaa\u96f7\u5c04\u6709\u4e09\u5927\u8981\u7d20\uff1a\u5171\u632f\u8154\u3001\u589e\u76ca\u7269\u8cea\u53ca\u6fc0\u767c\u4f86\u6e90 (pump source)\u3002\u6211\u5011\u518d\u56de\u982d\u770b\u672c\u6587\u4e00\u958b\u59cb\u63d0\u5230\u7684\u96f7\u5c04\u6210\u56e0\uff1a\u300c\u5149\u5728\u5171\u632f\u8154\u5167\u5171\u632f\u4e26\u85c9\u7531\u589e\u76ca\u7269\u8cea\u5c07\u80fd\u91cf\u653e\u5927\u300d\u3002\u9019\u53e5\u8a71\u662f\u5426\u6bd4\u8f03\u597d\u61c2\u4e86\u5462\uff1f<\/p>\n<p>\u7cfb\u5217\u4e8c\u6211\u5011\u4ecb\u7d39\u4e86\u5171\u632f\u8154\u53ca\u589e\u76ca\u7269\u8cea\uff0c\u4f46\u589e\u76ca\u7269\u8cea\u4e0d\u6703\u81ea\u5df1\u628a\u80fd\u91cf\u653e\u5927\uff0c\u5426\u5247\u5c31\u9055\u53cd\u80fd\u91cf\u5b88\u6046\uff0c\u589e\u76ca\u7269\u8cea\u5fc5\u9808\u9760\u5916\u754c\u63d0\u4f9b\u80fd\u91cf\uff0c\u4e5f\u5c31\u662f\u7b2c\u4e09\u8981\u7d20\uff1a\u6fc0\u767c\u4f86\u6e90\u3002\u7cfb\u5217\u4e09\u6211\u5011\u5c07\u6703\u4ecb\u7d39\u589e\u76ca\u7269\u8cea\u653e\u5927\u5149\u80fd\u7684\u539f\u7406\u53ca\u6fc0\u767c\u4f86\u6e90\u5982\u4f55\u8ddf\u589e\u76ca\u7269\u8cea\u9032\u884c\u4ea4\u4e92\u4f5c\u7528\u3002<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=1676\" target=\"_blank\">\u6c26-\u6c16\u96f7\u5c04\uff08He-Ne Laser\uff09<\/a><\/p>\n<p><strong>--<\/strong><br \/>\n<span style=\"color: #333399;\"><strong>\u4f5c\u8005\uff1a\u65b9\u7a0b\u6bc5 \u79d1\u6559\u4e2d\u5fc3\u7279\u7d04\u5beb\u624b\uff0c\u5f9e\u4e8b\u79d1\u666e\u6587\u7ae0\u5beb\u4f5c\u3002<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/line.me\/R\/ti\/p\/%40fcx6182w\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/zh-Hant.png\" alt=\"\u52a0\u5165\u597d\u53cb\" width=\"212\" height=\"36\" border=\"0\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u96f7\u5c04\u7cfb\u5217\u4e00\u4ecb\u7d39\u96f7\u5c04\u7684\u6027\u8cea\u5f8c\uff0c\u7cfb\u5217\u4e8c\u6211\u5011\u4f86\u8ac7\u8ac7\u96f7\u5c04\u600e\u9ebc\u5f62\u6210\u7684\u3002\u96f7\u5c04\u7684\u6210\u56e0\u662f\u300c\u5149\u5728\u5171\u632f\u8154\u5167\u5171\u632f\u4e26\u85c9\u7531\u589e\u76ca\u7269\u8cea(gain media)\u5c07\u80fd\u91cf\u653e\u5927\u300d\u3002\u5149\u7684\u672c\u8cea\u662f\u6ce2\u52d5\uff0c\u8981\u7406\u89e3\u9019\u53e5\u8a71\uff0c\u53ef\u4ee5\u5f9e\u6bd4\u8f03\u7c21\u55ae\u7684\u6ce2\u52d5\u73fe\u8c61\u89e3\u91cb\u3002\u4e0b\u5716(a)\u70ba\u7e69\u5b50\u56fa\u5b9a\u65bc\u7246\u5169\u7aef\u5f62\u6210\u99d0\u6ce2\u4e4b\u793a\u610f\u5716\uff0c\u99d0\u6ce2\u7684\u6210\u56e0\u662f\u5171\u632f\uff0c\u610f\u5373\u5169\u9762\u7246\u5f62\u6210\u4e00\u500b\u5171\u632f\u8154(resonator)\uff0c\u8b93\u7279\u5b9a\u983b\u7387\u7684\u99d0\u6ce2\u5b58\u5728\uff0c\u540c\u6642\u5132\u5b58\u99d0\u6ce2\u80fd\u91cf\u4f7f\u5176\u4e0d\u6703\u6563\u9038\u3002<\/p>\n","protected":false},"author":20,"featured_media":26368,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1023,3293,39],"tags":[2651,3039,3040,2029,339,1565],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/12\/Laser3.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26367"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26367"}],"version-history":[{"count":6,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26367\/revisions"}],"predecessor-version":[{"id":32718,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26367\/revisions\/32718"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/26368"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}