{"id":4145,"date":"2026-01-21T14:09:43","date_gmt":"2026-01-21T06:09:43","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4145"},"modified":"2026-01-23T14:12:40","modified_gmt":"2026-01-23T06:12:40","slug":"%e7%a1%ae%e5%ae%9a%e8%b0%90%e6%8c%af%e8%85%94%e7%9a%84%e4%b8%80%e8%87%b4%e6%80%a7%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/zh\/%e5%ae%9a%e4%b9%89%e8%b0%90%e6%8c%af%e8%85%94%e7%9a%84%e7%9b%b8%e5%b9%b2%e7%bb%93%e6%9e%84-html","title":{"rendered":"\u76f8\u5e72\u7684\u7ed3\u6784\uff1a\u5b9a\u4e49\u5171\u632f\u8154"},"content":{"rendered":"

\u534a\u5bfc\u4f53\u5149\u5b50\u5b66\u7684\u53d1\u5c55\u5df2\u4ece\u7b80\u5355\u7684\u5149\u53d1\u5c04\u8fc7\u6e21\u5230\u5149\u8c31\u5bc6\u5ea6\u7684\u7cbe\u786e\u63a7\u5236\u3002\u5bf9\u4e8e\u6280\u672f\u8bc4\u4f30\u4eba\u5458\u6765\u8bf4\uff0c\u5728\u4ee5\u4e0b\u4e24\u79cd\u4ea7\u54c1\u4e4b\u95f4\u505a\u51fa\u9009\u62e9 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u548c\u4e00\u4e2a FP \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u8fd9\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u6210\u672c\u95ee\u9898\uff0c\u800c\u662f\u6839\u636e\u8c10\u632f\u8154\u7684\u57fa\u672c\u7269\u7406\u539f\u7406\u51b3\u5b9a\u7684\u3002\u867d\u7136\u8fd9\u4e24\u79cd\u5668\u4ef6\u90fd\u662f\u901a\u8fc7\u5411\u91cf\u5b50\u9631\uff08QW\uff09\u6709\u6e90\u533a\u6ce8\u5165\u8f7d\u6d41\u5b50\u6765\u5b9e\u73b0\u529f\u80fd\uff0c\u4f46\u5b83\u4eec\u5b9e\u73b0\u5149\u53cd\u9988\u7684\u673a\u5236\u51b3\u5b9a\u4e86\u5b83\u4eec\u5728\u6c14\u4f53\u4f20\u611f\u3001\u5149\u7ea4\u901a\u4fe1\u548c\u533b\u7597\u8bca\u65ad\u7b49\u9ad8\u98ce\u9669\u73af\u5883\u4e2d\u7684\u6027\u80fd\u3002.<\/p>\n\n\n\n

\u6cd5\u5e03\u91cc-\u4f69\u7f57\uff08Fabry-P\u00e9rot\uff0cFP\uff09\u4f53\u7cfb\u7ed3\u6784\u662f\u4ee5\u4e0b\u7cfb\u7edf\u7684\u57fa\u7840\u8bbe\u8ba1 \u534a\u5bfc\u4f53\u6fc0\u5149\u5668<\/a>. .\u5b83\u5229\u7528\u534a\u5bfc\u4f53\u6676\u4f53\uff08\u901a\u5e38\u662f\u57fa\u4e8e\u7837\u5316\u9553\u6216\u78f7\u5316\u94df\u7684\u6750\u6599\uff09\u7684\u5207\u5272\u9762\u4f5c\u4e3a\u90e8\u5206\u53cd\u5c04\u955c\u3002\u8fd9\u5c31\u5f62\u6210\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u8c10\u632f\u8154\uff0c\u5149\u5728\u5176\u4e2d\u6765\u56de\u7a7f\u68ad\uff0c\u901a\u8fc7\u53d7\u6fc0\u53d1\u5c04\u83b7\u5f97\u589e\u76ca\u3002\u7136\u800c\uff0cFP \u8154\u672c\u8d28\u4e0a\u662f\u591a\u6a21\u7684\u3002\u5b83\u652f\u6301\u6ee1\u8db3\u5171\u632f\u6761\u4ef6 $m\\lambda = 2nL$ \u7684\u4efb\u4f55\u6ce2\u957f\uff0c\u5176\u4e2d $m$ \u4e3a\u6574\u6570\uff0c$n$ \u4e3a\u6298\u5c04\u7387\uff0c$L$ \u4e3a\u8154\u957f\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a FP \u6fc0\u5149\u4e8c\u6781\u7ba1<\/a><\/strong> \u901a\u5e38\u4f1a\u8868\u73b0\u51fa\u5305\u542b\u591a\u4e2a\u7eb5\u5411\u6a21\u5f0f\u7684\u5bbd\u5149\u8c31\u5305\u7edc\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7cbe\u5bc6\u7cfb\u7edf\u51fa\u73b0\u4e25\u91cd\u7684\u8272\u6563\u548c\u566a\u58f0\u3002.<\/p>\n\n\n\n

\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u5c40\u9650\u6027 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/a><\/strong> (\u5206\u5e03\u5f0f\u53cd\u9988\uff09\u5c06\u884d\u5c04\u5149\u6805\u76f4\u63a5\u96c6\u6210\u5230\u534a\u5bfc\u4f53\u7684\u6709\u6e90\u533a\u4e2d\u3002DFB \u7ed3\u6784\u5229\u7528\u6ce2\u7eb9\u5149\u6805\u63d0\u4f9b\u9891\u7387\u9009\u62e9\u6027\u53cd\u9988\uff0c\u800c\u4e0d\u662f\u4f9d\u9760\u523b\u9762\u8fdb\u884c\u53cd\u9988\u3002\u8fd9\u5c31\u8feb\u4f7f\u5668\u4ef6\u4ee5 \u5355\u7eb5\u5411\u6a21\u5f0f\u6fc0\u5149\u5668<\/a><\/strong>, \u5bf9 OEM \u5236\u9020\u5546\u800c\u8a00\uff0c\u4ece FP \u5230 DFB \u7684\u8f6c\u53d8\u662f \u201c\u8db3\u591f\u7167\u660e \u201d\u5230 \u201c\u5149\u8c31\u786e\u5b9a\u6027 \u201d\u7684\u8fc7\u6e21\u3002\u5bf9\u4e8e OEM \u5236\u9020\u5546\u6765\u8bf4\uff0c\u4ece FP \u5230 DFB \u7684\u8f6c\u53d8\u5c31\u662f\u4ece \"\u8db3\u591f\u7684\u7167\u660e \"\u5230 \"\u5149\u8c31\u786e\u5b9a\u6027 \"\u7684\u8fc7\u6e21\u3002\u201d<\/p>\n\n\n\n

\u6cd5\u5e03\u91cc-\u4f69\u7f57\uff08FP\uff09\u6fc0\u5149\u4e8c\u6781\u7ba1\u7684\u534a\u5bfc\u4f53\u7269\u7406\u5b66<\/h2>\n\n\n\n

\u8be5 FP \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u5728\u9891\u8c31\u5bbd\u5ea6\u6b21\u4e8e\u529f\u7387\u5bc6\u5ea6\u548c\u6210\u672c\u6548\u76ca\u7684\u5e94\u7528\u4e2d\uff0c\"\u6c19\u706f \"\u4ecd\u7136\u662f\u4e3b\u529b\u519b\u3002\u5728 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/a><\/strong>, \u6b64\u5916\uff0c\u6709\u6e90\u5c42\u901a\u5e38\u7531 AlGaInP\uff08\u94dd\u9553\u94df\u78f7\u5316\u7269\uff09\u5f02\u8d28\u7ed3\u6784\u7ec4\u6210\u3002\u88c2\u9762\u7a7a\u8154\uff08CFC\uff09\u8bbe\u8ba1\u575a\u56fa\u8010\u7528\uff0c\u4f46\u5bb9\u6613\u51fa\u73b0 \u201c\u8df3\u6a21 \u201d\u73b0\u8c61\u3002\u201d<\/p>\n\n\n\n

\u968f\u7740\u6ce8\u5165\u7535\u6d41\u6216\u73af\u5883\u6e29\u5ea6\u7684\u53d8\u5316\uff0c\u534a\u5bfc\u4f53\u7684\u6298\u5c04\u7387 $n$ \u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6750\u6599\u7684\u589e\u76ca\u5cf0\u503c\u4ee5\u4e0d\u540c\u4e8e\u8154\u4f53\u7eb5\u5411\u6a21\u5f0f\u7684\u901f\u5ea6\u79fb\u52a8\u3002\u5f53\u6b21\u6a21\u5f0f\u6bd4\u4e3b\u6a21\u5f0f\u83b7\u5f97\u66f4\u9ad8\u7684\u6548\u7387\u65f6\uff0c\u6fc0\u5149\u5c31\u4f1a \u201c\u8df3 \u201d\u5230\u4e0d\u540c\u7684\u6ce2\u957f\u3002\u5728\u89c6\u89c9\u5bf9\u51c6\u6216\u57fa\u672c\u7167\u660e\u4e2d\uff0c\u8fd9\u79cd\u60c5\u51b5\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u7136\u800c\uff0c\u5728\u7cbe\u5bc6\u6d4b\u91cf\u4e2d\uff0c\u8df3\u6a21\u610f\u5473\u7740\u6570\u636e\u5b8c\u6574\u6027\u7684\u707e\u96be\u6027\u635f\u5931\u3002.<\/p>\n\n\n\n

FP \u6fc0\u5149\u5668\u7684\u5149\u8c31\u5bbd\u5ea6\u901a\u5e38\u5728 1 \u7eb3\u7c73\u5230 3 \u7eb3\u7c73\u4e4b\u95f4\u3002\u8fd9\u79cd\u5bbd\u5ea6\u662f\u7531\u4e8e\u534a\u5bfc\u4f53\u7684 \u201c\u589e\u76ca\u8f6e\u5ed3 \u201d\u8db3\u591f\u5bbd\uff0c\u53ef\u4ee5\u540c\u65f6\u652f\u6301\u591a\u4e2a\u7eb5\u5411\u6a21\u5f0f\u3002\u867d\u7136\u603b\u8f93\u51fa\u53ef\u80fd\u662f\u7a33\u5b9a\u7684\uff0c\u4f46\u8fd9\u4e9b\u6a21\u5f0f\u4e4b\u95f4\u7684\u529f\u7387\u5206\u5e03\u5374\u5728\u4e0d\u65ad\u6ce2\u52a8--\u8fd9\u79cd\u73b0\u8c61\u88ab\u79f0\u4e3a\u6a21\u5f0f\u5206\u533a\u566a\u58f0\uff08MPN\uff09\u3002\u5bf9\u4e8e\u7cfb\u7edf\u8bbe\u8ba1\u4eba\u5458\u6765\u8bf4\uff0cFP \u4e8c\u6781\u7ba1\u5728\u5e73\u8861\u9ad8\u63d2\u5899\u6548\u7387 (WPE) \u548c\u9891\u8c31\u4e0d\u7a33\u5b9a\u6027\u65b9\u9762\u9762\u4e34\u7740\u6311\u6218\u3002.<\/p>\n\n\n\n

\u5206\u5e03\u5f0f\u53cd\u9988 (DFB) \u673a\u5236\uff1a\u5355\u6a21\u5f0f\u5de5\u7a0b<\/h2>\n\n\n\n

\u8be5 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u901a\u8fc7\u6cbf\u6709\u6e90\u6ce2\u5bfc\u7684\u957f\u5ea6\u65b9\u5411\u5f15\u5165\u5e03\u62c9\u683c\u5149\u6805\uff0c\u89e3\u51b3\u4e86\u6a21\u5f0f\u5212\u5206\u95ee\u9898\u3002\u5e03\u62c9\u683c\u5149\u6805\u7684\u5468\u671f\u4e3a $\uff08Lambda$\uff09\uff0c\u53ea\u53cd\u5c04\u5e03\u62c9\u683c\u6761\u4ef6\u6240\u5b9a\u4e49\u7684\u7279\u5b9a\u6ce2\u957f\uff1a<\/p>\n\n\n\n

$$\\lambda_B = 2 n_{eff}\\Lambda$$<\/p>\n\n\n\n

\u5176\u4e2d\uff0c$n_{eff}$ \u662f\u6ce2\u5bfc\u7684\u6709\u6548\u6298\u5c04\u7387\u3002\u7531\u4e8e\u53cd\u9988\u5206\u5e03\u5728\u6574\u4e2a\u589e\u76ca\u4ecb\u8d28\u4e2d\uff0c\u56e0\u6b64 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u6709\u6548\u5730\u6291\u5236\u4e86\u6240\u6709\u5176\u4ed6\u7eb5\u5411\u6a21\u5f0f\u3002\u7ed3\u679c\u662f \u5355\u7eb5\u5411\u6a21\u5f0f\u6fc0\u5149\u5668<\/strong> \u4fa7\u6a21\u6291\u5236\u6bd4 (SMSR) \u901a\u5e38\u8d85\u8fc7 35 dB \u81f3 45 dB\u3002.<\/p>\n\n\n\n

\u5728\u9ad8\u8d28\u91cf\u7684 DFB \u8bbe\u5907\u4e2d\uff0c\u901a\u5e38\u4f1a\u5728\u5149\u6805\u4e2d\u5fc3\u5f15\u5165 $\\lambda\/4$ \u76f8\u79fb\u3002\u8fd9\u79cd\u76f8\u79fb\u6253\u7834\u4e86\u5e03\u62c9\u683c\u6a21\u5f0f\u7684\u9000\u884c\u6027\uff0c\u786e\u4fdd\u6fc0\u5149\u80fd\u7cbe\u786e\u5730\u5728\u5e03\u62c9\u683c\u6ce2\u957f\u4e0a\u632f\u8361\uff0c\u800c\u4e0d\u662f\u5728\u6b62\u5e26\u7684\u4e24\u4e2a\u8fb9\u7f18\u4e0a\u632f\u8361\u3002\u4ece\u5236\u9020\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u9700\u8981\u7eb3\u7c73\u7ea7\u7cbe\u5ea6\u7684\u7535\u5b50\u675f\uff08E-beam\uff09\u5149\u523b\u6216\u5168\u606f\u5e72\u6d89\u5149\u523b\u3002DFB \u6fc0\u5149\u5668\u7684\u6210\u672c\u660e\u663e\u9ad8\u4e8e FP \u6fc0\u5149\u5668\uff0c\u539f\u56e0\u6b63\u662f\u5728\u4e8e\u8fd9\u79cd\u5916\u5ef6\u590d\u6742\u6027\u4ee5\u53ca\u4e0e\u5982\u6b64\u4e25\u683c\u7684\u5149\u6805\u516c\u5dee\u76f8\u5173\u7684\u8f83\u4f4e\u4ea7\u91cf\u3002.<\/p>\n\n\n\n

635nm \u6fc0\u5149\u4e8c\u6781\u7ba1\uff1aAlGaInP \u6750\u6599\u7cfb\u7edf\u7684\u6311\u6218<\/h2>\n\n\n\n

\u5728 635 \u7eb3\u7c73<\/strong> \u4e0e\u7535\u4fe1\u6ce2\u957f\uff081310nm\/1550nm\uff09\u76f8\u6bd4\uff0c\u6c2e\u5316\u9553\uff08AlGaInP\uff09\u5177\u6709\u72ec\u7279\u7684\u6750\u6599\u6311\u6218\u3002AlGaInP \u6750\u6599\u7cfb\u7edf\u7528\u4e8e 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u4ea7\u751f\u7684\u5bfc\u5e26\u504f\u79fb\u76f8\u5bf9\u8f83\u5c0f\u3002\u8fd9\u5bfc\u81f4\u8f7d\u6d41\u5b50\u6cc4\u6f0f--\u7535\u5b50\u5728\u8f90\u5c04\u91cd\u7ec4\u4e4b\u524d\u5c31\u4ece\u91cf\u5b50\u9631\u4e2d\u9003\u9038\u3002.<\/p>\n\n\n\n

\u8f7d\u6d41\u5b50\u6cc4\u6f0f\u4e0e\u6e29\u5ea6\u9ad8\u5ea6\u76f8\u5173\u3002\u968f\u7740\u6e29\u5ea6\u7684\u5347\u9ad8\uff0c\u6cc4\u6f0f\u91cf\u4e5f\u4f1a\u589e\u52a0\uff0c\u4ece\u800c\u5bfc\u81f4 \u9608\u503c\u7535\u6d41<\/strong> ($I_{th}$\uff09\uff0c\u659c\u7387\u6548\u7387\u964d\u4f4e\u3002\u5bf9\u4e8e 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong>, \u4fdd\u6301 \u5355\u7eb5\u5411\u6a21\u5f0f\u6fc0\u5149\u5668<\/strong> \u8f93\u51fa\u9700\u8981\u7279\u6b8a\u7684\u70ed\u7ba1\u7406\u3002\u5982\u679c\u7ed3\u70b9\u4e2d\u7684\u70ed\u91cf\u4e0d\u80fd\u6709\u6548\u6392\u51fa\uff0cDFB \u5149\u6805\u7684\u5e03\u62c9\u683c\u6ce2\u957f\u5c31\u4f1a\u6f02\u79fb\uff08\u6f02\u79fb\u7387\u901a\u5e38\u4e3a 0.06 nm\/\u00b0C\uff09\uff0c\u5982\u679c\u70ed\u5e94\u529b\u5bfc\u81f4\u810a\u6ce2\u5bfc\u7ed3\u6784\u53d8\u5f62\uff0c\u5668\u4ef6\u5c31\u53ef\u80fd\u5931\u53bb\u5355\u6a21\u7279\u6027\u3002.<\/p>\n\n\n\n

\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\uff0c635 \u7eb3\u7c73\u901a\u5e38\u6bd4 650 \u7eb3\u7c73\u66f4\u53d7\u9752\u7750\uff0c\u56e0\u4e3a\u4eba\u773c\u5bf9 635 \u7eb3\u7c73\u5149\u7684\u654f\u611f\u5ea6\u51e0\u4e4e\u662f 650 \u7eb3\u7c73\u7684\u4e24\u500d\u3002\u7136\u800c\uff0c\u751f\u4ea7\u9ad8\u7a33\u5b9a\u6027\u7684 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u5728\u8fd9\u79cd\u8f83\u77ed\u7684\u6ce2\u957f\u4e0b\uff0c\u5149\u5b50\u80fd\u91cf\u4f1a\u5927\u5927\u589e\u52a0\uff0c\u56e0\u6b64\u9700\u8981\u66f4\u5148\u8fdb\u7684\u523b\u9762\u949d\u5316\u6280\u672f\uff0c\u4ee5\u9632\u6b62\u5728\u8f83\u9ad8\u7684\u5149\u5b50\u80fd\u91cf\u4e0b\u53d1\u751f\u707e\u96be\u6027\u5149\u635f\u4f24 (COD)\u3002.<\/p>\n\n\n\n

\u4ece\u7ec4\u4ef6\u5b8c\u6574\u6027\u5230\u7cfb\u7edf\u603b\u6210\u672c\uff1a\u539f\u59cb\u8bbe\u5907\u5236\u9020\u5546\u7684\u903b\u8f91<\/h2>\n\n\n\n

\u5fc5\u987b\u4ece \u201c\u7cfb\u7edf\u8bef\u5dee\u9884\u7b97 \u201d\u7684\u89d2\u5ea6\u6765\u770b\u5f85\u91c7\u8d2d DFB \u6216 FP \u6fc0\u5149\u5668\u7684\u51b3\u5b9a\u3002\u5f53\u539f\u59cb\u8bbe\u5907\u5236\u9020\u5546\u96c6\u6210\u4e86 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u5728\u533b\u7597\u8840\u6db2\u5206\u6790\u4eea\u6216\u9ad8\u7cbe\u5ea6\u5e72\u6d89\u4eea\u4e2d\uff0c\u4e8c\u6781\u7ba1\u7684\u6210\u672c\u53ea\u662f\u7cfb\u7edf\u5149\u5b66\u5de5\u4f5c\u53f0\u6210\u672c\u7684\u4e00\u5c0f\u90e8\u5206\u3002.<\/p>\n\n\n\n

FP \u6a21\u5f0f\u5206\u533a\u566a\u58f0\u7684\u9690\u6027\u6210\u672c<\/h3>\n\n\n\n

\u5982\u679c\u5de5\u7a0b\u5e08\u9009\u62e9\u6210\u672c\u8f83\u4f4e\u7684 FP \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u5bf9\u4e8e\u9700\u8981\u5149\u8c31\u7a33\u5b9a\u6027\u7684\u7cfb\u7edf\uff0c\u4ed6\u4eec\u5fc5\u987b\u4f7f\u7528\u5916\u90e8\u6ee4\u6ce2\u5668\u6216\u590d\u6742\u7684\u8f6f\u4ef6\u7b97\u6cd5\u6765\u8865\u507f\u6ce2\u957f\u6f02\u79fb\u548c\u5f3a\u5ea6\u6ce2\u52a8\u3002\u8fd9\u4e9b\u5916\u90e8\u5143\u4ef6\u589e\u52a0\u4e86\u6750\u6599\u6e05\u5355\uff08BOM\uff09\uff0c\u5e76\u589e\u52a0\u4e86\u5668\u4ef6\u7684\u7269\u7406\u5360\u7528\u7a7a\u95f4\u3002\u6b64\u5916\uff0cFP \u6a21\u5f0f\u8df3\u53d8\u5bfc\u81f4\u7684 \u201c\u672c\u5e95\u566a\u58f0 \u201d\u589e\u52a0\u4f1a\u964d\u4f4e\u6574\u4e2a\u4eea\u5668\u7684\u7075\u654f\u5ea6\uff0c\u4ece\u800c\u53ef\u80fd\u5bfc\u81f4\u8bca\u65ad\u7ed3\u679c\u4e0d\u51c6\u786e\u3002.<\/p>\n\n\n\n

DFB \u5728\u957f\u671f\u7ef4\u62a4\u65b9\u9762\u7684\u4f18\u52bf<\/h3>\n\n\n\n

A \u5355\u7eb5\u5411\u6a21\u5f0f\u6fc0\u5149\u5668<\/strong> \u63d0\u4f9b\u4e86\u4e00\u79cd \u201c\u53ef\u9884\u6d4b \u201d\u5149\u6e90\u3002\u7531\u4e8e\u6ce2\u957f\u662f\u7531\u7269\u7406\u5149\u6805\u9501\u5b9a\u7684\uff0c\u4e8c\u6781\u7ba1\u7684\u8001\u5316\uff08\u901a\u5e38\u8868\u73b0\u4e3a\u9608\u503c\u7535\u6d41\u7684\u589e\u52a0\uff09\u4e0d\u4f1a\u5bfc\u81f4 FP \u6fc0\u5149\u5668\u4e2d\u51fa\u73b0\u7684\u6025\u5267\u5149\u8c31\u504f\u79fb\u3002\u8fd9\u610f\u5473\u7740\u4f7f\u7528 DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u5728\u5176\u4f7f\u7528\u5bff\u547d\u671f\u95f4\uff0c\u9700\u8981\u6821\u51c6\u7684\u6b21\u6570\u4f1a\u51cf\u5c11\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u6700\u7ec8\u7528\u6237\u7684 \u201c\u603b\u4f53\u62e5\u6709\u6210\u672c\u201d\u3002\u76f8\u4fe1\u50cf \u6fc0\u5149\u4e8c\u6781\u7ba1-LD.com<\/code> \u8fd9\u5c31\u662f\uff1a\u90e8\u4ef6\u7684\u5355\u4ef7\u662f\u5bf9\u673a\u5668\u957f\u671f\u53ef\u9760\u6027\u7684\u6295\u8d44\u3002.<\/p>\n\n\n\n

\u6280\u672f\u6bd4\u8f83\uff1aDFB \u4e0e FP \u6fc0\u5149\u4e8c\u6781\u7ba1\u5bf9\u6bd4<\/h2>\n\n\n\n

\u4e0b\u8868\u63d0\u4f9b\u4e86\u5bf9 OEM \u96c6\u6210\u81f3\u5173\u91cd\u8981\u7684\u4e13\u4e1a\u7ea7\u6027\u80fd\u6307\u6807\u6bd4\u8f83\u3002.<\/p>\n\n\n\n

\u6280\u672f\u53c2\u6570<\/strong><\/td>FP \u6fc0\u5149\u4e8c\u6781\u7ba1\uff08\u6807\u51c6\uff09<\/strong><\/td>DFB \u6fc0\u5149\u4e8c\u6781\u7ba1\uff08\u7cbe\u5bc6\u578b\uff09<\/strong><\/td>\u5bf9 OEM \u8bbe\u8ba1\u7684\u5f71\u54cd<\/strong><\/td><\/tr><\/thead>
\u5149\u8c31\u7ebf\u5bbd<\/strong><\/td>1.0 \u6d77\u91cc - 3.0 \u6d77\u91cc<\/td>< 0.001 nm\uff08MHz \u8303\u56f4\uff09<\/td>\u51b3\u5b9a\u5149\u8c31\u5206\u6790\u7684\u5206\u8fa8\u7387\u3002.<\/td><\/tr>
\u7eb5\u5411\u6a21\u5f0f<\/strong><\/td>\u591a\u91cd\uff08\u591a\u6a21\u5f0f\uff09<\/td>\u5355\u4eba (SLM)<\/td>\u5f71\u54cd\u8272\u6563\u548c\u672c\u5e95\u566a\u58f0\u3002.<\/td><\/tr>
\u8fb9\u6a21\u6291\u5236\u6bd4<\/strong><\/td>\u4e0d\u9002\u7528\uff08< 5 dB\uff09<\/td>35 \u5206\u8d1d - 50 \u5206\u8d1d<\/td>\u5bf9\u4fe1\u566a\u6bd4\u81f3\u5173\u91cd\u8981\u3002.<\/td><\/tr>
\u6ce2\u957f\u8c03\u8c10\uff08\u6e29\u5ea6\uff09<\/strong><\/td>0.2 - 0.3 nm\/\u00b0C<\/td>0.06 - 0.08 nm\/\u00b0C<\/td>DFB \u7684\u70ed\u7a33\u5b9a\u6027\u9ad8\u51fa 4 \u500d\u3002.<\/td><\/tr>
\u6a21\u5f0f\u8df3\u8f6c<\/strong><\/td>\u7ecf\u5e38<\/td>\u4e0d\u5b58\u5728\uff08\u5728\u8303\u56f4\u5185\uff09<\/td>\u786e\u5b9a\u6570\u636e\u7684\u8fde\u7eed\u6027\u3002.<\/td><\/tr>
\u5178\u578b\u7684 SMSR<\/strong><\/td>\u53ef\u5ffd\u7565\u4e0d\u8ba1<\/td>> 40 \u5206\u8d1d<\/td>\u5bf9\u907f\u514d\u5e72\u6270\u81f3\u5173\u91cd\u8981\u3002.<\/td><\/tr>
\u76f8\u5bf9\u5f3a\u5ea6\u566a\u58f0<\/strong><\/td>\u9ad8\uff08-130 dB\/Hz\uff09<\/td>\u4f4e\uff08-155 dB\/Hz\uff09<\/td>\u51b3\u5b9a\u68c0\u6d4b\u6781\u9650\u3002.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6269\u5927\u6280\u672f\u8303\u56f4\uff1a\u9ad8\u6d41\u91cf\u8bed\u4e49\u9a71\u52a8\u7a0b\u5e8f<\/h2>\n\n\n\n

\u8981\u5168\u9762\u4f18\u5316\u57fa\u4e8e\u6fc0\u5149\u7684\u7cfb\u7edf\uff0c\u5c31\u5fc5\u987b\u8df3\u51fa\u6838\u5fc3\u5173\u952e\u5b57\u7684\u8303\u7574\uff0c\u4e86\u89e3\u6fc0\u5149\u6027\u80fd\u7684\u4e09\u5927\u652f\u67f1\uff1a<\/p>\n\n\n\n

    \n
  1. \u4fa7\u6a21\u6291\u5236\u6bd4 (SMSR)\uff1a<\/strong> \u8fd9\u662f\u4e3b\u7eb5\u5411\u6a21\u5f0f\u529f\u7387\u4e0e\u6700\u5f3a\u4fa7\u5411\u6a21\u5f0f\u529f\u7387\u4e4b\u6bd4\u3002\u5728\u4e00\u4e2a DFB \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong>, \u56e0\u6b64\uff0c\u9ad8 SMSR \u662f\u5149\u6805\u8d28\u91cf\u7684\u4e3b\u8981\u6307\u6807\u3002.<\/li>\n\n\n\n
  2. \u9608\u503c\u7535\u6d41\u5bc6\u5ea6 ($J_{th}$)\uff1a<\/strong> \u8fd9\u53ef\u4ee5\u8861\u91cf\u91cf\u5b50\u9631\u7ed3\u6784\u7684\u6548\u7387\u3002\u91cf\u5b50\u9631\u7ed3\u6784\u4e2d\u7684 $J_{th}$ \u8d8a\u4f4e\uff0c\u5176\u6548\u7387\u5c31\u8d8a\u9ad8\u3002 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> \u8868\u660e\u5916\u5ef6\u751f\u957f\u6548\u679c\u66f4\u4f73\uff0c\u975e\u8f90\u5c04\u91cd\u7ec4\u4e2d\u5fc3\u66f4\u5c11\u3002.<\/li>\n\n\n\n
  3. \u70ed\u8c03\u8c10\u7cfb\u6570<\/strong> \u5bf9\u4e8e\u4f9d\u9760 \u201c\u8c03\u6574 \u201d\u6fc0\u5149\u6ce2\u957f\u7684\u4f20\u611f\u5668\uff08\u5982 TDLAS\uff09\u6765\u8bf4\uff0c\u6ce2\u957f\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u53ef\u9884\u6d4b\u6027\u81f3\u5173\u91cd\u8981\u3002DFB \u6fc0\u5149\u5668\u63d0\u4f9b\u7ebf\u6027\u3001\u53ef\u9884\u6d4b\u7684\u8c03\u8c10\u66f2\u7ebf\uff0c\u800c FP \u6fc0\u5149\u5668\u5219\u4ee5\u4e0d\u53ef\u9884\u6d4b\u7684\u6b65\u957f\u79fb\u52a8\u3002.<\/li>\n<\/ol>\n\n\n\n

    \u6848\u4f8b\u7814\u7a76\uff1a\u5171\u7126\u6fc0\u5149\u626b\u63cf\u663e\u5fae\u955c (CLSM) \u4e2d\u7684 635nm DFB \u6fc0\u5149\u5668<\/h2>\n\n\n\n

    \u5ba2\u6237\u80cc\u666f<\/h3>\n\n\n\n

    \u4e00\u5bb6\u7528\u4e8e\u7ec6\u80de\u6210\u50cf\u7684\u9ad8\u5206\u8fa8\u7387\u5171\u805a\u7126\u663e\u5fae\u955c\u5236\u9020\u5546\u6b63\u5728\u4f7f\u7528\u4e00\u79cd\u6807\u51c6\u7684 635nm \u6fc0\u5149\u4e8c\u6781\u7ba1<\/strong> (FP \u578b\uff09\u4f5c\u4e3a\u8367\u5149\u67d3\u6599\u7684\u6fc0\u53d1\u5149\u6e90\u3002.<\/p>\n\n\n\n

    \u6280\u672f\u6311\u6218<\/h3>\n\n\n\n

    \u5ba2\u6237\u9762\u4e34\u4e24\u4e2a\u4e3b\u8981\u95ee\u9898\uff1a<\/p>\n\n\n\n