{"id":9361,"date":"2024-12-11T13:31:27","date_gmt":"2024-12-11T05:31:27","guid":{"rendered":"https:\/\/www.crylink.cn\/?p=9361"},"modified":"2024-12-11T13:47:19","modified_gmt":"2024-12-11T05:47:19","slug":"lbo-crystal-noncritical-phase-matching-technology-principles-applications-and-advantages","status":"publish","type":"post","link":"https:\/\/www.crylink.cn\/lbo-crystal-noncritical-phase-matching-technology-principles-applications-and-advantages\/","title":{"rendered":"LBO\u6676\u4f53\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u6280\u672f\uff1a\u539f\u7406\u3001\u5e94\u7528\u53ca\u4f18\u52bf\u5168\u89e3\u6790"},"content":{"rendered":"\n

\u6fc0\u5149\u6280\u672f\u7684\u53d1\u5c55\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u4e86\u73b0\u4ee3\u79d1\u6280\u7684\u9762\u8c8c\uff0c\u800c\u975e\u7ebf\u6027\u5149\u5b66\u9891\u7387\u8f6c\u6362\u6280\u672f\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\u626e\u6f14\u4e86\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u4e09\u787c\u9178\u9502\uff08Lithium Triborate, LBO\uff09\u6676\u4f53\u4f5c\u4e3a\u4e00\u79cd\u6027\u80fd\u4f18\u5f02\u7684\u975e\u7ebf\u6027\u5149\u5b66\u6676\u4f53\uff0c\u56e0\u5176\u5bbd\u5e7f\u7684\u900f\u660e\u8303\u56f4\u3001\u9ad8\u5149\u635f\u4f24\u9608\u503c\u3001\u8f83\u5927\u7684\u63a5\u53d7\u89d2\u548c\u8f83\u5c0f\u7684\u8d70\u79bb\u89d2\u7b49\u7279\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9ad8\u529f\u7387\u6fc0\u5149\u500d\u9891\u3001\u548c\u9891\u53ca\u5149\u5b66\u53c2\u91cf\u632f\u8361\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0c\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\uff08Non-Critical Phase Matching, NCPM\uff09\u6280\u672f\u5c24\u5176\u91cd\u8981\u3002\u5b83\u901a\u8fc7\u8c03\u8282\u6676\u4f53\u6e29\u5ea6\u6765\u5b9e\u73b0\u76f8\u4f4d\u5339\u914d\uff0c\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u5149\u5b66\u9891\u7387\u8f6c\u6362\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\uff0c\u540c\u65f6\u907f\u514d\u4e86\u56e0\u89d2\u5ea6\u8c03\u8282\u5f15\u8d77\u7684\u5149\u675f\u504f\u79bb\u6548\u5e94\u3002\u672c\u6587\u5c06\u56f4\u7ed5 LBO \u6676\u4f53<\/a><\/strong>\u7684\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u5c55\u5f00\uff0c\u63a2\u8ba8\u5176\u539f\u7406\u3001\u4f18\u52bf\u3001\u5178\u578b\u5e94\u7528\u4ee5\u53ca\u9009\u62e9\u4e0e\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u5e2e\u52a9\u5ba2\u6237\u66f4\u597d\u5730\u7406\u89e3\u5e76\u5229\u7528\u8fd9\u79cd\u6280\u672f\u3002<\/p>\n\n\n\n

LBO\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u662f\u4ec0\u4e48<\/h2>\n\n\n\n

LBO \u6676\u4f53\u662f\u4e00\u79cd\u8d1f\u53cc\u8f74\u6676\u4f53\uff0c\u5c5e\u4e8e\u6b63\u4ea4\u70b9\u7fa4 mm2\uff0c\u5176\u975e\u7ebf\u6027\u5149\u5b66\u6027\u80fd\u663e\u8457\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u6fc0\u5149\u9891\u7387\u8f6c\u6362\u4e2d\u7684\u500d\u9891\uff08Second Harmonic Generation, SHG\uff09\u548c\u548c\u9891\uff08Sum-Frequency Generation, SFG\uff09\u3002\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u662f\u6307\u901a\u8fc7\u8c03\u6574\u6676\u4f53\u6e29\u5ea6\uff0c\u800c\u975e\u89d2\u5ea6\uff0c\u6765\u6ee1\u8db3\u76f8\u4f4d\u5339\u914d\u6761\u4ef6\uff0c\u4ece\u800c\u907f\u514d\u5149\u675f\u8d70\u79bb\u6548\u5e94\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u9891\u7387\u8f6c\u6362\uff0c\u8fd8\u80fd\u4fdd\u8bc1\u5149\u675f\u8d28\u91cf\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\"LBO\u975e\u7ebf\u6027\u6676\u4f53SHG\"
\u56fe1. LBO\u975e\u7ebf\u6027\u6676\u4f53\u7684SHG\u8c03\u8c10\u66f2\u7ebf<\/figcaption><\/figure>\n\n\n\n

\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u7684\u6838\u5fc3\u5728\u4e8e\u901a\u8fc7\u4f18\u5316\u6e29\u5ea6\uff0c\u4f7f\u6676\u4f53\u5185\u90e8\u7684\u6298\u5c04\u7387\u5728\u7279\u5b9a\u6ce2\u957f\u8303\u56f4\u5185\u6ee1\u8db3\u76f8\u4f4d\u5339\u914d\u6761\u4ef6\u3002\u8fd9\u4e00\u6280\u672f\u907f\u514d\u4e86\u89d2\u5ea6\u76f8\u4f4d\u5339\u914d\u6240\u9700\u7684\u590d\u6742\u673a\u68b0\u8c03\u6574\uff0c\u540c\u65f6\u6709\u6548\u51cf\u5c0f\u4e86\u7531\u4e8e\u5149\u675f\u4f20\u64ad\u65b9\u5411\u53d8\u5316\u5f15\u8d77\u7684\u80fd\u91cf\u635f\u5931\u3002\u7531\u4e8e LBO \u6676\u4f53\u5177\u6709\u8f83\u5bbd\u7684\u900f\u660e\u8303\u56f4\u548c\u6e29\u5ea6\u8c03\u8c10\u8303\u56f4\uff0c\u5176\u6210\u4e3a\u5b9e\u73b0\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u7684\u7406\u60f3\u6750\u6599\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7d2b\u5916\u3001\u53ef\u89c1\u5149\u548c\u8fd1\u7ea2\u5916\u6fc0\u5149\u6ce2\u957f\u7684\u9891\u7387\u8f6c\u6362\u3002<\/p>\n\n\n\n

\u5728 LBO \u6676\u4f53\u4e2d\uff0c\u5f53\u57fa\u6ce2\u5149\u6ce2\u957f\u4e3a 1064 nm \u65f6\uff0c\u500d\u9891\u5149\uff08532 nm\uff09\u5bf9\u5e94\u7684\u6700\u4f73\u76f8\u4f4d\u5339\u914d\u6e29\u5ea6\u901a\u5e38\u4e3a\u7ea6 149\u00b0C\u3002\u8fd9\u4e00\u6e29\u5ea6\u70b9\u4f7f\u5f97\u6676\u4f53\u5185\u7684\u6298\u5c04\u7387\u5dee\u5f02\u6ee1\u8db3\u76f8\u4f4d\u5339\u914d\u6761\u4ef6\uff0c\u4ece\u800c\u5b9e\u73b0\u65e0\u8d70\u79bb\u89d2\u7684\u9891\u7387\u8f6c\u6362\u3002<\/p>\n\n\n\n

LBO\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u7684\u4f18\u52bf<\/h2>\n\n\n\n

\u65e0\u8d70\u79bb\u89d2\u548c\u9ad8\u5149\u675f\u8d28\u91cf<\/h3>\n\n\n\n

\u4f20\u7edf\u7684\u89d2\u5ea6\u76f8\u4f4d\u5339\u914d\u56e0\u8d70\u79bb\u6548\u5e94\u53ef\u80fd\u5bfc\u81f4\u5149\u675f\u504f\u79bb\uff0c\u964d\u4f4e\u8f6c\u6362\u6548\u7387\u3002\u800c\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u901a\u8fc7\u6e29\u63a7\u5b9e\u73b0\u76f8\u4f4d\u5339\u914d\uff0c\u4f7f\u5f97\u5149\u675f\u5728\u6676\u4f53\u5185\u90e8\u4fdd\u6301\u826f\u597d\u7684\u7a7a\u95f4\u91cd\u5408\uff0c\u8f93\u51fa\u5149\u675f\u8d28\u91cf\u5927\u5e45\u63d0\u5347\u3002<\/p>\n\n\n\n

\u5bbd\u63a5\u53d7\u89d2\u548c\u6e29\u5ea6\u8c03\u8c10\u8303\u56f4<\/h3>\n\n\n\n

LBO \u6676\u4f53\u7684\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u5177\u6709\u8f83\u5bbd\u7684\u63a5\u53d7\u89d2\u548c\u6e29\u5ea6\u5bb9\u5dee\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u5728 1064 nm \u57fa\u6ce2\u4e0b\uff0c\u5176\u63a5\u53d7\u89d2\u53ef\u8fbe\u6570\u5341\u6beb\u5f27\u5ea6\uff0c\u5141\u8bb8\u4e00\u5b9a\u7a0b\u5ea6\u7684\u5149\u675f\u53d1\u6563\u89d2\u3002\u6b64\u5916\uff0c\u5176\u6e29\u5ea6\u8c03\u8c10\u8303\u56f4\u901a\u5e38\u5728 \u00b15\u00b0C \u5de6\u53f3\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u7cfb\u7edf\u7684\u64cd\u4f5c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u9ad8\u635f\u4f24\u9608\u503c<\/h3>\n\n\n\n

LBO \u6676\u4f53\u7684\u635f\u4f24\u9608\u503c\u9ad8\u8fbe 25 GW\/cm\u00b2 \u4ee5\u4e0a\uff0c\u8fd9\u4f7f\u5176\u7279\u522b\u9002\u7528\u4e8e\u9ad8\u529f\u7387\u6fc0\u5149\u7cfb\u7edf\u4e2d\u7684\u9891\u7387\u8f6c\u6362\u5e94\u7528\u3002\u65e0\u8bba\u662f\u8109\u51b2\u6fc0\u5149\u8fd8\u662f\u8fde\u7eed\u6fc0\u5149\uff0c\u90fd\u80fd\u591f\u5229\u7528\u5176\u9ad8\u5149\u5b66\u7a33\u5b9a\u6027\u548c\u5f3a\u5927\u7684\u6297\u635f\u4f24\u80fd\u529b\u3002<\/p>\n\n\n\n

\"\u9540\u819c\u8f66\u95f4\"
\u56fe2. \u82af\u98de\u777f\u7684\u9540\u819c\u8f66\u95f4\uff0c\u53ef\u5bf9LBO\u6676\u4f53\u8fdb\u884c\u9540\u819c<\/figcaption><\/figure>\n\n\n\n

\u957f\u6676\u4f53\u548c\u5927\u529f\u7387\u5904\u7406\u80fd\u529b<\/h3>\n\n\n\n

\u7531\u4e8e\u975e\u4e34\u754c\u76f8\u4f4d\u5339\u914d\u6761\u4ef6\u4e0b\u4e0d\u5b58\u5728\u5149\u675f\u8d70\u79bb\u6548\u5e94\uff0c\u53ef\u4ee5\u4f7f\u7528\u66f4\u957f\u7684\u6676\u4f53\u6765\u589e\u52a0\u9891\u7387\u8f6c\u6362\u6548\u7387\u3002\u8fd9\u79cd\u7279\u6027\u4f7f LBO \u6676\u4f53\u80fd\u591f\u8f7b\u677e\u5e94\u5bf9\u5927\u529f\u7387\u6fc0\u5149\u5e94\u7528\u9700\u6c42\u3002<\/p>\n\n\n\n

\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n

\u5de5\u4e1a\u6fc0\u5149\u5668\u4e2d\u7684\u500d\u9891\u5e94\u7528<\/h3>\n\n\n\n

\u5728 Nd:YAG \u6fc0\u5149\u5668\uff081064 nm\uff09\u4e2d\uff0cLBO \u6676\u4f53\u5e38\u88ab\u7528\u4f5c\u500d\u9891\u5143\u4ef6\uff0c\u5c06\u57fa\u6ce2\u8f6c\u6362\u4e3a 532 nm \u7eff\u8272\u6fc0\u5149\u548c 355 nm \u7d2b\u5916\u6fc0\u5149\u3002532 nm \u6ce2\u957f\u7684\u7eff\u8272\u6fc0\u5149\u5e7f\u6cdb\u7528\u4e8e\u6fc0\u5149\u6253\u6807\u3001\u710a\u63a5\u3001\u5207\u5272\u7b49\u5de5\u4e1a\u9886\u57df\uff0c\u800c 355 nm \u6ce2\u957f\u7684\u7d2b\u5916\u6fc0\u5149\u56e0\u5176\u77ed\u6ce2\u957f\u548c\u9ad8\u7cbe\u5ea6\uff0c\u7279\u522b\u9002\u5408\u4e8e\u9ad8\u7cbe\u5ea6\u6253\u6807\u673a\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u7d2b\u5916\u6fc0\u5149\u80fd\u591f\u5b9e\u73b0\u5bf9\u5851\u6599\u3001\u73bb\u7483\u548c\u5176\u4ed6\u7cbe\u5bc6\u6750\u6599\u7684\u975e\u70ed\u52a0\u5de5\uff0c\u63d0\u4f9b\u66f4\u6e05\u6670\u548c\u9ad8\u5bf9\u6bd4\u5ea6\u7684\u6253\u6807\u6548\u679c\u3002<\/p>\n\n\n\n

\u533b\u7597\u548c\u7f8e\u5bb9\u9886\u57df<\/h3>\n\n\n\n

\u5728\u533b\u7597\u7f8e\u5bb9\u4e2d\uff0c532 nm \u548c 355 nm \u6fc0\u5149\u5206\u522b\u7528\u4e8e\u8840\u7ba1\u75c5\u53d8\u6cbb\u7597\u548c\u76ae\u80a4\u5e74\u8f7b\u5316\u3002LBO \u6676\u4f53\u5728\u6b64\u7c7b\u6fc0\u5149\u8bbe\u5907\u4e2d\u5145\u5f53\u5173\u952e\u7684\u9891\u7387\u8f6c\u6362\u5143\u4ef6\uff0c\u786e\u4fdd\u8f93\u51fa\u5149\u675f\u5177\u6709\u9ad8\u529f\u7387\u548c\u9ad8\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u79d1\u5b66\u7814\u7a76<\/h3>\n\n\n\n

LBO \u6676\u4f53\u8fd8\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9ad8\u529f\u7387\u6fc0\u5149\u7cfb\u7edf\u548c\u8d85\u5feb\u6fc0\u5149\u88c5\u7f6e\u4e2d\uff0c\u4f8b\u5982\u5149\u5b66\u53c2\u91cf\u653e\u5927\uff08OPA\uff09\u548c\u98de\u79d2\u6fc0\u5149\u8109\u51b2\u6574\u5f62\u3002\u5176\u9ad8\u5149\u675f\u8d28\u91cf\u548c\u5bbd\u900f\u660e\u8303\u56f4\uff08160 nm \u81f3 2600 nm\uff09\u6ee1\u8db3\u4e86\u79d1\u5b66\u5b9e\u9a8c\u5bf9\u7d2b\u5916\u5230\u4e2d\u7ea2\u5916\u5149\u8c31\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u5b9e\u9a8c\u4e0e\u6027\u80fd\u53c2\u6570<\/h2>\n\n\n\n

\u5728 Tan \u7b49\u4eba\u7684\u5b9e\u9a8c\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528 10 mm \u957f\u7684 LBO \u6676\u4f53\u548c\u6e29\u63a7\u88c5\u7f6e\uff0c\u5bf9 1064 nm Nd\\:YAG \u6fc0\u5149\u8fdb\u884c\u8154\u5916\u500d\u9891\u5b9e\u9a8c\uff0c\u7ed3\u679c\u663e\u793a\uff1a<\/p>\n\n\n\n