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\u603b\u800c\u8a00\u4e4b\uff0cKTP \u7684\u5f3a\u5927\u4e4b\u5904\u4e0d\u4ec5\u5728\u4e8e\u5176\u57fa\u672c\u7279\u6027\uff0c\u8fd8\u5728\u4e8e\u5176\u4e0e\u5149\u7684\u590d\u6742\u821e\u8e48\u3002\u8fd9\u79cd\u6750\u6599\u5c55\u793a\u4e86\u5f53\u81ea\u7136\u5143\u7d20\u6070\u5230\u597d\u5904\u5730\u6392\u5217\u65f6\uff0c\u5b83\u4eec\u5982\u4f55\u80fd\u591f\u4ea7\u751f\u65e2\u7f8e\u4e3d\u53c8\u5177\u6709\u7a81\u7834\u6027\u6280\u672f\u7684\u5149\u4e4b\u4ea4\u54cd\u66f2\u3002<\/p>\n\n\n\n

\"\"
\u56fe 3. KTP \u6676\u4f53<\/em><\/figcaption><\/figure>\n\n\n\n

4. PPLN \u6676\u4f53<\/h2>\n\n\n\n

\u5468\u671f\u6027\u6781\u5316\u94cc\u9178\u9502\uff08\u7f29\u5199\u4e3a PPLN\uff09\u6210\u4e3a\u5e7f\u9614\u7684\u5149\u5b66\u6750\u6599\u9886\u57df\u7684\u5178\u8303\u3002\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0cPPLN \u4e0d\u4ec5\u4ec5\u662f\u53e6\u4e00\u79cd\u6676\u4f53\uff1b\u5b83\u4e5f\u662f\u4e00\u79cd\u6676\u4f53\u3002\u8fd9\u662f\u4e00\u4e2a\u5de5\u7a0b\u5947\u8ff9\u3002\u901a\u8fc7\u521b\u5efa\u5177\u6709\u4ea4\u66ff\u65b9\u5411\u7684\u7cbe\u5fc3\u6392\u5217\u7684\u57df\uff0cPPLN \u5f00\u542f\u4e86\u975e\u7ebf\u6027\u5149\u5b66\u8fc7\u7a0b\u7684\u65b0\u7ef4\u5ea6\uff0c\u589e\u5f3a\u4e86\u5176\u5728\u4e00\u7cfb\u5217\u5e94\u7528\u4e2d\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n

PPLN \u4e2d\u4ea4\u66ff\u57df\u7684\u6709\u610f\u8bbe\u8ba1\u5145\u5f53\u4e86\u589e\u5f3a\u5176\u975e\u7ebf\u6027\u7279\u6027\u7684\u50ac\u5316\u5242\u3002\u8fd9\u79cd\u5468\u671f\u6027\u7ed3\u6784\u6709\u5229\u4e8e\u51c6\u76f8\u4f4d\u5339\u914d\uff0c\u8fd9\u662f\u4e00\u79cd\u6676\u4f53\u8bbe\u8ba1\u8865\u507f\u76f8\u4e92\u4f5c\u7528\u6ce2\u4e4b\u95f4\u7684\u81ea\u7136\u76f8\u901f\u5ea6\u5dee\u5f02\u7684\u6280\u672f\u3002\u8fd9\u79cd\u7ec6\u81f4\u7684\u5de5\u7a0b\u8bbe\u8ba1\u53ef\u4ee5\u5b9e\u73b0\u66f4\u6709\u6548\u7684\u975e\u7ebf\u6027\u76f8\u4e92\u4f5c\u7528\uff0c\u4f8b\u5982\u53d8\u9891\u548c\u53c2\u91cf\u632f\u8361\uff0c\u540c\u65f6\u964d\u4f4e\u635f\u8017\u3002<\/p>\n\n\n\n

PPLN \u5149\u5b66\u7279\u5f81\u7684\u4e00\u4e2a\u57fa\u77f3\u662f\u5176\u6298\u5c04\u7387\uff0c\u5728 1550 nm \u6ce2\u957f\u4e0b\u6298\u5c04\u7387\u9ad8\u8fbe 2.20\u3002\u8fd9\u4e00\u5c5e\u6027\u4e0d\u4ec5\u63a7\u5236\u7740\u5149\u5982\u4f55\u7a7f\u8fc7\u6676\u4f53\uff0c\u8fd8\u5f71\u54cd\u7740 PPLN \u95fb\u540d\u7684\u65e0\u6570\u975e\u7ebf\u6027\u76f8\u4e92\u4f5c\u7528\u3002\u50cf\u8fd9\u6837\u7684\u9ad8\u6298\u5c04\u7387\u53ef\u4ee5\u589e\u52a0\u5149\u4e0e\u4ecb\u8d28\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u4ece\u800c\u63d0\u9ad8\u5404\u79cd\u5149\u5b66\u8fc7\u7a0b\u7684\u6548\u7387\u3002<\/p>\n\n\n\n

\u7136\u800c\uff0c\u5728\u4e0d\u8d5e\u626c PPLN \u53cc\u6298\u5c04\u7684\u60c5\u51b5\u4e0b\u8ba8\u8bba PPLN \u662f\u4e00\u79cd\u758f\u5ffd\u3002 PPLN \u7b49\u5149\u5b66\u6676\u4f53\u7684\u9ad8\u53cc\u6298\u5c04\u7c7b\u4f3c\u4e8e\u62e5\u6709\u8d85\u80fd\u529b\u3002\u8fd9\u610f\u5473\u7740\u4e0d\u540c\u504f\u632f\u7684\u5149\u7a7f\u8fc7\u6750\u6599\u7684\u65b9\u5f0f\u5b58\u5728\u660e\u663e\u5dee\u5f02\u3002\u8fd9\u79cd\u5dee\u5f02\u4e0e\u6676\u4f53\u7684\u5de5\u7a0b\u7ed3\u6784\u76f8\u7ed3\u5408\uff0c\u4ea7\u751f\u4e86\u5148\u8fdb\u7684\u76f8\u4f4d\u5339\u914d\u80fd\u529b\u3002\u7531\u4e8e\u76f8\u4f4d\u5339\u914d\u662f\u975e\u7ebf\u6027\u8fc7\u7a0b\u6548\u7387\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0cPPLN \u7684\u589e\u5f3a\u53cc\u6298\u5c04\u53ef\u786e\u4fdd\u6676\u4f53\u80fd\u591f\u5728\u4f17\u591a\u5e94\u7528\u4e2d\u63d0\u4f9b\u65e0\u4e0e\u4f26\u6bd4\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0cPPLN \u8bc1\u660e\u4e86\u4eba\u7c7b\u7684\u806a\u660e\u624d\u667a\u4e0e\u5927\u81ea\u7136\u7684\u9988\u8d60\u76f8\u7ed3\u5408\uff0c\u80fd\u591f\u5236\u9020\u51fa\u4e0d\u4ec5\u7a81\u7834\u4f20\u7edf\u9650\u5236\u800c\u4e14\u4e3a\u9769\u547d\u6027\u5149\u5b66\u8fdb\u6b65\u94fa\u5e73\u9053\u8def\u7684\u6750\u6599\u3002<\/p>\n\n\n\n

\"\"
\u56fe 4. PPLN \u6676\u4f53<\/em><\/figcaption><\/figure>\n\n\n\n

5. \u5176\u4ed6\u503c\u5f97\u6ce8\u610f\u7684\u5149\u5b66\u6676\u4f53<\/h2>\n\n\n\n

\u5149\u5b66\u6676\u4f53\u7684\u4e07\u795e\u6bbf\u8d85\u51fa\u4e86\u66f4\u5e38\u8ba8\u8bba\u7684\u6210\u5458\u3002\u5176\u4e2d\uff0c\u03b2\u787c\u9178\u94a1\uff08BBO\uff09\u8131\u9896\u800c\u51fa\uff0c\u4ee5\u5176\u5728\u975e\u7ebf\u6027\u5149\u5b66\u9886\u57df\u7684\u591a\u529f\u80fd\u6027\u800c\u95fb\u540d\u3002 BBO \u7684\u5f3a\u5927\u529f\u80fd\u6db5\u76d6\u4e86\u591a\u79cd\u5e94\u7528\uff0c\u4ece\u4e09\u500d\u9891\uff08\u5c06\u4e00\u4e2a\u5149\u5b50\u8f6c\u6362\u4e3a\u4e09\u4e2a\u8f83\u9ad8\u9891\u7387\uff09\u5230\u5149\u5b66\u53c2\u91cf\u632f\u8361\uff08\u5b83\u6709\u52a9\u4e8e\u5c06\u4e00\u4e2a\u5149\u5b50\u8f6c\u6362\u4e3a\u4e24\u4e2a\u8f83\u4f4e\u9891\u7387\u7684\u5149\u5b50\uff09\u3002<\/p>\n\n\n\n

\u5177\u6709\u7c7b\u4f3c\u610f\u4e49\u7684\u662f\u4e09\u787c\u9178\u9502\uff0c\u901a\u5e38\u79f0\u4e3a LBO\u3002\u8be5\u6676\u4f53\u4ee5\u5176\u5353\u8d8a\u7684\u900f\u660e\u5ea6\u8303\u56f4\u800c\u8457\u79f0\u3002\u5982\u6b64\u5927\u7684\u8303\u56f4\u786e\u4fdd\u4e86 LBO \u53ef\u4ee5\u5728\u591a\u4e2a\u6ce2\u957f\u4e0a\u9ad8\u6548\u5de5\u4f5c\uff0c\u4f7f\u5176\u6210\u4e3a\u9ad8\u529f\u7387\u6fc0\u5149\u5668\u7684\u9996\u9009\uff0c\u56e0\u4e3a\u5f3a\u5149\u675f\u9700\u8981\u5728\u8fd9\u79cd\u6548\u529b\u4e0b\u4e0d\u4f1a\u964d\u89e3\u6216\u52a8\u6447\u7684\u6750\u6599\u3002<\/p>\n\n\n\n

\u6700\u540e\uff0c\u8be5\u540d\u5355\u8fd8\u56e0\u52a0\u5165\u539f\u9492\u9178\u9487\uff08YVO4\uff09\u800c\u5f97\u5230\u6269\u5145\u3002\u8fd9\u79cd\u6676\u4f53\u5df2\u7ecf\u4e3a\u81ea\u5df1\u8d62\u5f97\u4e86\u4e00\u5e2d\u4e4b\u5730\uff0c\u7279\u522b\u662f\u5728\u4e8c\u6781\u7ba1\u6cf5\u6d66\u56fa\u4f53\u6fc0\u5149\u5668\u9886\u57df\u3002\u5176\u6700\u5927\u7684\u7279\u70b9\u4e4b\u4e00\u662f\u5176\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u4f24\u5bb3\u9608\u503c\u3002\u5728\u6fc0\u5149\u9886\u57df\uff0c\u5373\u4f7f\u662f\u5fae\u5c0f\u7684\u7f3a\u9677\u4e5f\u4f1a\u5f71\u54cd\u6027\u80fd\uff0cYVO4 \u7684\u5f39\u6027\u786e\u4fdd\u5b83\u80fd\u591f\u627f\u53d7\u5f3a\u70c8\u7684\u6fc0\u5149\u675f\uff0c\u800c\u4e0d\u4f1a\u9000\u5316\u6216\u635f\u574f\u3002<\/p>\n\n\n\n

\u603b\u7684\u6765\u8bf4\uff0c\u8fd9\u4e9b\u6676\u4f53\u4f53\u73b0\u4e86\u5149\u5b66\u9886\u57df\u53ef\u80fd\u6027\u7684\u5e7f\u5ea6\u548c\u6df1\u5ea6\u3002\u6bcf\u4e00\u79cd\u6280\u672f\u90fd\u5177\u6709\u5176\u72ec\u7279\u7684\u5c5e\u6027\u548c\u529f\u80fd\uff0c\u90fd\u6709\u52a9\u4e8e\u7a81\u7834\u5149\u64cd\u7eb5\u9886\u57df\u53ef\u5b9e\u73b0\u7684\u754c\u9650\u3002<\/p>\n\n\n\n

\"\"
\u56fe 5. BBO \u6676\u4f53<\/em><\/figcaption><\/figure>\n\n\n\n

6. \u5f71\u54cd\u5149\u5b66\u6676\u4f53\u9009\u62e9\u7684\u56e0\u7d20<\/h2>\n\n\n\n

\u9009\u62e9\u5408\u9002\u7684\u6676\u4f53\u4e0d\u4ec5\u4ec5\u6d89\u53ca\u5149\u5b66\u7279\u6027\u3002\u5fc5\u987b\u8003\u8651\u73af\u5883\u7a33\u5b9a\u6027\u3001\u635f\u4f24\u9608\u503c\u548c\u6613\u4e8e\u5236\u9020\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n

\u7ed3\u8bba<\/h2>\n\n\n\n

\u5149\u5b66\u6676\u4f53\u662f\u5f53\u4eca\u8bb8\u591a\u6280\u672f\u5947\u8ff9\u80cc\u540e\u7684\u65e0\u540d\u82f1\u96c4\u3002\u4ece\u6fc0\u5149\u5668\u5230\u901a\u4fe1\u5de5\u5177\uff0c\u5b83\u4eec\u4ee5\u524d\u6240\u672a\u6709\u7684\u65b9\u5f0f\u5229\u7528\u548c\u64cd\u7eb5\u5149\uff0c\u4e3a\u8fdb\u6b65\u94fa\u5e73\u4e86\u9053\u8def\u3002\u65e0\u8bba\u662f Nd:YAG \u5f3a\u5927\u7684\u5149\u675f\u8fd8\u662f PPLN \u7684\u72ec\u7279\u57df\uff0c\u6bcf\u79cd\u6676\u4f53\u90fd\u63d0\u4f9b\u4e86\u65e0\u9650\u7684\u53ef\u80fd\u6027\u3002\u968f\u7740\u79d1\u5b66\u4e0d\u65ad\u63ed\u793a\u5149\u5b50\u5b66\u7684\u6df1\u5ea6\uff0c\u8fd9\u4e9b\u6676\u4f53\u7684\u6f5c\u529b\u53ea\u4f1a\u66f4\u52a0\u95ea\u8000\u3002<\/p>\n\n\n\n

\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n\n\n\n