{"id":76953,"date":"2017-04-23T08:30:49","date_gmt":"2017-04-23T00:30:49","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=76953"},"modified":"2017-04-23T10:06:41","modified_gmt":"2017-04-23T02:06:41","slug":"phys-rev-lett-%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6-%e7%94%b1%e7%94%b5%e7%a3%81%e8%80%a6%e5%90%88%e8%b6%85%e6%9e%84%e5%88%86%e5%ad%90%e4%ba%a7%e7%94%9f%e7%9a%84%e4%ba%ba%e5%b7%a5%e9%9d%9e","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=76953","title":{"rendered":"Phys. Rev. Lett.: \u6e05\u534e\u5927\u5b66\u2014\u7531\u7535\u78c1\u8026\u5408\u8d85\u6784\u5206\u5b50\u4ea7\u751f\u7684\u4eba\u5de5\u975e\u7ebf\u6027"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u5149\u5b66\u975e\u7ebf\u6027\u662f\u4e00\u79cd\u5f3a\u5149\u4e0e\u7269\u8d28\u76f8\u4e92\u4f5c\u7528\u4ea7\u751f\u7684\u666e\u904d\u6027\u7684\u7269\u7406\u6548\u5e94\uff0c\u5df2\u5728\u6fc0\u5149\u6280\u672f\u3001\u5149\u901a\u8baf\u548c\u5149\u4fe1\u606f\u6280\u672f\u7b49\u98a0\u8986\u6027\u6280\u672f\u9886\u57df\u53d1\u6325\u4e86\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7f3a\u4e4f\u63cf\u8ff0\u81ea\u7136\u975e\u7ebf\u6027\u8fc7\u7a0b\u7684\u6e05\u6670\u7269\u7406\u56fe\u50cf\uff0c\u975e\u7ebf\u6027\u5149\u5b66\u6750\u6599\u7684\u63a2\u7d22\u957f\u671f\u5904\u4e8e\u5b9a\u6027\u6216\u534a\u5b9a\u91cf\u9636\u6bb5\u3002\u5b9e\u73b0\u4e00\u79cd\u53ef\u7cbe\u786e\u9884\u6d4b\u548c\u7cbe\u51c6\u8bbe\u8ba1\u7684\u4eba\u5de5\u5149\u5b66\u975e\u7ebf\u6027\u6750\u6599\uff0c\u6210\u4e3a\u4e00\u4e2a\u6781\u5177\u6311\u6218\u4e14\u5bcc\u6709\u524d\u666f\u7684\u8bfe\u9898\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6765\u81ea\u6e05\u534e<\/b><\/strong>\u5927\u5b66\u7684<\/b><\/strong>\u5468\u6d4e\u6559\u6388<\/b><\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u7b49\u4eba\u63d0\u51fa\u7684\u4eba\u5de5\u6750\u6599\u57fa\u4e8e\u4e00\u4e2a\u5de7\u5999\u8bbe\u8ba1\u7684\u4eba\u5de5\u8d85\u6784\u5206\u5b50\uff08metamolecule\uff09\u5185\u90e8\u7535\u573a\u548c\u78c1\u573a\u7684\u8026\u5408\u6253\u7834\u4e86\u6750\u6599\u7269\u7406\u73af\u5883\u7684\u7a7a\u95f4\u5bf9\u79f0\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u4eba\u5de5\u8bbe\u8ba1\u7684\u5149\u5b66\u975e\u7ebf\u6027\u3002<\/p>\n

\u8be5\u65b9\u6cd5\u5f97\u5230\u7684\u5149\u5b66\u975e\u7ebf\u6027\u5b8c\u5168\u6e90\u4e8e\u4eba\u5de5\u8d85\u6784\u5206\u5b50\uff0c\u800c\u65e0\u9700\u81ea\u7136\u5149\u5b66\u975e\u7ebf\u6027\u6750\u6599\u53c2\u4e0e\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u4eba\u5de5\u7ed3\u6784\uff0c\u5bf9\u6240\u4ea7\u751f\u7684\u5149\u5b66\u975e\u7ebf\u6027\u8fdb\u884c\u7cbe\u786e\u7684\u8bbe\u8ba1\u548c\u8c03\u63a7\u3002\u540c\u65f6\uff0c\u8be5\u4eba\u5de5\u975e\u7ebf\u6027\u7406\u8bba\u7684\u7269\u7406\u8fc7\u7a0b\u660e\u786e\u4e14\u6e05\u6670\uff0c\u53ef\u5e94\u7528\u4e8e\u975e\u5e38\u5bbd\u7684\u7535\u78c1\u9891\u8c31\u3002\u76f8\u5173\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u901a\u8fc7\u9002\u5f53\u7684\u7f29\u653e\u8d85\u6784\u5206\u5b50\u7ed3\u6784\u7684\u51e0\u4f55\u5c3a\u5bf8\uff0c\u5728\u5fae\u6ce2\u5230\u7ea2\u5916\u6ce2\u6bb5\u5747\u53ef\u4ee5\u4ea7\u751f\u660e\u663e\u7684\u5149\u5b66\u975e\u7ebf\u6027\u3002<\/p>\n

\u8fd9\u4e00\u5168\u65b0\u7684\u4eba\u5de5\u7406\u8bba\uff0c\u4f7f\u5f97\u5149\u5b66\u975e\u7ebf\u6027\u5177\u6709\u4e86\u524d\u6240\u672a\u6709\u7684\u8bbe\u8ba1\u81ea\u7531\u5ea6\uff0c\u5c06\u6781\u5927\u7684\u4fc3\u8fdb\u65b0\u4e00\u4ee3\u5149\u6e90\u53ca\u5149\u4fe1\u606f\u6280\u672f\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u540c\u65f6\u4e5f\u5c06\u4fc3\u8fdb\u5982\u975e\u7ebf\u6027\u5149\u5b66\u900f\u955c\u548c\u975e\u7ebf\u6027\u5168\u606f\u7b49\u65b0\u6280\u672f\u7684\u4ea7\u751f\u548c\u53d1\u5c55\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe1<\/b><\/strong>\u00a0<\/b><\/strong>\u7531\u7535\u78c1\uff08EM\uff09\u8026\u5408\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u7ec4\u6210\u7684\u8d85\u6750\u6599\u539f\u7406\u56fe<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09\u9635\u5217\u539f\u7406\u56fe<\/p>\n

\uff08b\uff09\u6676\u80de\u539f\u7406\u56fe\uff0c\u84dd\u8272\u4e3a\u73af\u6c27\u677f\uff0c\u9ec4\u8272\u4e3a\u94dc\uff0c\u7ea2\u8272\u4e3a\u94cb\uff0c\u5176\u4e2dl1<\/sub>\u00a0= 3.4mm\uff0cw1<\/sub>\u00a0= 0.45mm\uff0cg = 0.1mm\uff0cl2<\/sub>\u00a0= 2.3mm\uff0cw2<\/sub>\u00a0= 0.5mm\uff0cd = 0.1mm\uff0cP = 3.6mm<\/p>\n

\u56fe2<\/b><\/strong>\u00a0\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u7684\u5149\u8c31\u56fe\u548c\u78c1\u573a\u5206\u5e03\u56fe<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09\u5728\u4ece\u9876\u90e8\u7684x\u504f\u632f\u5e73\u9762\u6ce2\u7684\u6b63\u5e38\u7167\u660e\u4e0b\uff0c\u6a21\u62df\u5206\u5b50\u7684\u53cd\u5c04\uff0c\u900f\u5c04\u548c\u5438\u6536\u5149\u8c31\uff0c\u5176\u4e2d\u84dd\u7ebf\u8868\u793a\u900f\u5c04\u5149\u8c31\uff0c\u7ea2\u7ebf\u8868\u793a\u53cd\u5c04\u5149\u8c31\uff0c\u7eff\u8272\u8868\u793a\u5438\u6536\u5149\u8c31\uff0c10GHz\u5904\u7528\u7070\u8272\u865a\u7ebf\u6807\u8bb0<\/p>\n

\uff08b\uff0910GHz\u5904\u7684\u8868\u9762\u7535\u6d41\u548c\u78c1\u573a\u5206\u5e03\uff0c\u5176\u4e2d\u7ea2\u8272\u7bad\u5934\u8868\u793a\u8868\u9762\u7535\u6d41\u7684\u53d6\u5411<\/p>\n

\u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>y\u504f\u632f\u975e\u7ebf\u6027\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u7684\u65f6\u57df\u900f\u5c04\u5149\u8c31\u53ca\u9891\u57df\u5149\u8c31<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09y\u504f\u632f\u975e\u7ebf\u6027\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u7684\u539f\u59cb\u548c\u9ad8\u901a\u6ee4\u6ce2\u65f6\u57df\u900f\u5c04\u5149\u8c31\uff0c\u5176\u4e2d\u84dd\u8272\u4e3a\u539f\u59cb\u65f6\u57df\u900f\u5c04\u5149\u8c31\uff0c\u6a58\u7ea2\u8272\u4e3a\u9ad8\u901a\u6ee4\u6ce2\u65f6\u57df\u900f\u5c04\u5149\u8c31\uff0c\u6839\u636e\u65f6\u57df\u4e2d\u7684y\u504f\u632f\u900f\u5c04\u5149\u8c31\uff0c\u53ef\u4ee5\u901a\u8fc77V \/ m\u7684\u5cf0\u503c\u7535\u573a\u7684\u9ad8\u901a\u6ee4\u6ce2\u6765\u63d0\u53d620GHz\u7684\u6ce2<\/p>\n

\uff08b\uff09\u975e\u7ebf\u6027\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u7684\u9891\u57df\u5149\u8c31\uff0c\u66f4\u660e\u663e\u5730\u8868\u73b0\u51faSHG\uff08\u4e8c\u9636\u8c10\u6ce2\u4ea7\u751f\u6548\u5e94\uff09\uff0c\u5176\u4e2d\u7684\u5c0f\u56fe\u662f\u4e24\u4e2a\u5143\u539f\u5b50\u7684\u9891\u8c31<\/p>\n

\u56fe4<\/b><\/strong>\u00a0<\/b><\/strong>\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u5728y\u504f\u632f\u4e2d\u7684\u53cd\u5c04\u9891\u8c31<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\u4eba\u5de5\u8d85\u6784\u5206\u5b50\u5728y\u504f\u632f\u4e2d\u7684\u53cd\u5c04\u9891\u8c31\uff0c\u5176\u4e2d\u7684\u5c0f\u56fe\u662f\u5176\u539f\u59cb\u548c\u9ad8\u901a\u6ee4\u6ce2\u7684\u65f6\u57df\u5149\u8c31\uff0c\u5cf0\u503c\u7535\u573a\u4e3a453.1 V \/ m\u65f6\uff0cSHG\u4e5f\u4e0d\u540c<\/p>\n

\u56fe5<\/b><\/strong>\u00a0<\/b><\/strong>\u900f\u5c04SHG\u7684\u5f3a\u5ea6\u4e0e\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u8ddd\u79bb\u7684\u5173\u7cfb<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\u900f\u5c04SHG\u7684\u5f3a\u5ea6\u4e0e\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u7684\u8ddd\u79bb\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u4e24\u4e2a\u5143\u539f\u5b50\u4e4b\u95f4\u7684\u8f83\u7a84\u8ddd\u79bb\u5c06\u5207\u5272\u7ebf\u5b9a\u4f4d\u5728\u5177\u6709\u8f83\u5f3a\u78c1\u573a\u7684\u533a\u57df\u4e2d\uff0c\u5e76\u5bfc\u81f4\u8f83\u9ad8\u7684SHG\u5f3a\u5ea6\uff0c\u5c24\u5176\u662f\u5728\u5c0f\u4e8e0.1mm\u7684\u8303\u56f4\u5185\uff1b\u5176\u4e2d\u7684\u5c0f\u56fe\u662f\u5177\u6709\u4e0d\u540c\u5bbd\u5ea6\u7684\u5207\u5272\u7ebf\u5143\u7d20\u7684SHG\u7684\u5f3a\u5ea6\u4ee5\u53ca\u6570\u636e\u70b9\u7684\u7ebf\u6027\u62df\u5408\uff0c\u663e\u793a\u51fa\u5176\u4ed6\u51e0\u4f55\u5f71\u54cd\u5e76\u4e14\u5448\u73b0\u7ebf\u5f62\u5bbd\u5ea6\u7684\u589e\u52a0\uff0c\u4ee5\u7ebf\u6027\u65b9\u5f0f\u63d0\u9ad8\u4e86SHG\u7684\u5f3a\u5ea6<\/p>\n

\u3010\u5c55\u671b\u3011<\/b><\/strong><\/p>\n

\u8be5\u6210\u679c\u7406\u8bba\u4e0a\u5c55\u793a\u4e86\u4e00\u79cd\u7531\u4e24\u4e2aEM\u8026\u5408\u7684\u5143\u539f\u5b50\u7ec4\u6210\u7684\u8d85\u6784\u5206\u5b50\u4ea7\u751f\u7684\u7eaf\u4eba\u9020\u5149\u5b66\u975e\u7ebf\u6027\u7684\u65b0\u673a\u5236\u3002\u5207\u7ebf\u5143\u7d20\u4e2d\u7684\u81ea\u7531\u7535\u5b50\u4e0e\u4f4d\u4e8eSRR\uff08\u5f00\u53e3\u73af\u5f0f\u8c10\u632f\u5668\uff09\u5143\u539f\u5b50\u4e2d\u7684\u78c1\u573a\u76f8\u4e92\u4f5c\u7528\uff0c\u5728\u78c1\u529b\u4e0b\u4ee5\u975e\u8c03\u8c10\u65b9\u5f0f\u632f\u8361\uff0c\u4ea7\u751f\u975e\u7ebf\u6027\u54cd\u5e94\u3002\u57fa\u4e8e\u7ecf\u5178\u7535\u78c1\u5b66\u7406\u8bba\uff0c\u5206\u5b50\u7684\u4e8c\u7ef4\u975e\u7ebf\u6027\u7684\u7269\u7406\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u6570\u5b57\u6a21\u62df\u6765\u660e\u786e\u63cf\u8ff0\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u521b\u65b0\u673a\u5236\u5177\u6709\u8d85\u9ad8\u7684\u8bbe\u8ba1\u81ea\u7531\u5ea6\u3002\u4eba\u9020\u975e\u7ebf\u6027\u7684\u8fd9\u79cd\u7eaf\u7cb9\u7684EM\u673a\u5236\uff0c\u5728\u5929\u7136\u6750\u6599\u4e2d\u4e0d\u6d89\u53ca\u4efb\u4f55\u5149\u7535\u5b50\u3001\u70ed\u3001\u673a\u68b0\u6216\u91cf\u5b50\u8fc7\u7a0b\u7684\u53c2\u4e0e\uff0c\u4e3a\u8bbe\u8ba1\u975e\u7ebf\u6027\u5149\u5b66\u6750\u6599\u63d0\u4f9b\u4e86\u57fa\u4e8e\u8d85\u6750\u6599\u7684\u65b9\u6cd5\uff0c\u8fd9\u5c06\u5e26\u6765\u66f4\u591a\u7684\u53ef\u80fd\u548c\u68a6\u5e7b\u822c\u7684\u975e\u7ebf\u6027\u5149\u5b66\u7684\u6f5c\u529b\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aArtificial Nonlinearity Generated from Electromagnetic Coupling Metamolecule<\/a><\/b><\/strong>\uff08Phys. Rev. Lett., 2017, DOI:https:\/\/doi.org\/10.1103\/PhysRevLett.118.167401\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5f90\u6d9b<\/b><\/strong>\u6574\u7406\u7f16\u8bd1\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/u><\/a>\u3002\u5982\u679c\u4f60\u5bf9\u7535\u5b50\u6750\u6599\u611f\u5174\u8da3\uff0c\u613f\u610f\u4e0e\u7535\u5b50\u7535\u5de5\u9886\u57df\u4eba\u624d\u4ea4\u6d41\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u6750\u6599\u5b66\u4e60\u5c0f\u7ec4\uff08QQ\u7fa4\uff1a482842474\uff09\u3002<\/p>\n

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