{"id":1757,"date":"2021-10-12T18:04:13","date_gmt":"2021-10-13T01:04:13","guid":{"rendered":"https:\/\/www.xh86.me\/?p=1757"},"modified":"2021-10-12T18:04:13","modified_gmt":"2021-10-13T01:04:13","slug":"om1%e3%80%81om2%e3%80%81om3%e5%92%8com4%e5%85%89%e7%ba%a4%e4%b9%8b%e9%97%b4%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=1757","title":{"rendered":"OM1\u3001OM2\u3001OM3\u548cOM4\u5149\u7ea4\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"

\u201cOM\u201dstand for optical multi-mode\uff0c\u5373\u5149\u6a21\u5f0f\uff0c\u662f\u591a\u6a21\u5149\u7ea4\u8868\u793a\u5149\u7ea4\u7b49\u7ea7\u7684\u6807\u51c6\u3002\u4e0d\u540c\u7b49\u7ea7\u4f20\u8f93\u65f6\u7684\u5e26\u5bbd\u548c\u6700\u5927\u8ddd\u79bb\u4e0d\u540c\uff0c\u672c\u6587\u5c06\u4e3b\u8981\u8bb2\u89e3OM1\u3001OM2\u3001OM3\u548cOM4\u5149\u7ea4\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n

\u4e00\u3001\u53c2\u6570\u4e0e\u89c4\u683c<\/h2>\n

1\u3001OM1<\/a>\u6307850\/1300nm\u6ee1\u6ce8\u5165\u5e26\u5bbd\u5728200\/500MHz.km\u4ee5\u4e0a\u768450um\u621662.5um\u82af\u5f84\u591a\u6a21\u5149\u7ea4\uff1b<\/p>\n

2\u3001OM2<\/a>\u6307850\/1300nm\u6ee1\u6ce8\u5165\u5e26\u5bbd\u5728500\/500MHz.km\u4ee5\u4e0a\u768450um\u621662.5um\u82af\u5f84\u591a\u6a21\u5149\u7ea4\uff1b<\/p>\n

3\u3001OM3<\/a>\u662f850nm\u6fc0\u5149\u4f18\u5316\u768450um\u82af\u5f84\u591a\u6a21\u5149\u7ea4\uff0c\u5728\u91c7\u7528850nm VCSEL\u768410Gb\/s\u4ee5\u592a\u7f51\u4e2d\uff0c\u5149\u7ea4\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe\u5230300m\uff1b<\/p>\n

4\u3001OM4<\/a>\u662fOM3\u591a\u6a21\u5149\u7ea4\u7684\u5347\u7ea7\u7248\uff0c\u5149\u7ea4\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230550m\u3002<\/p>\n

\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/th>\n\u7ea4\u5f84(\u03bcm)<\/th>\n\u5149\u7ea4\u7c7b\u578b<\/th>\n1 Gigabit \u4ee5\u592a\u7f51 1000BASE-SX<\/th>\n1 Gigabit \u4ee5\u592a\u7f51 1000BASE-LX<\/th>\n10Gbps \u4ee5\u592a\u7f51 10GbAS<\/th>\n40Gbps \u4ee5\u592a\u7f51 40GbASE SR4<\/th>\n100Gbps \u4ee5\u592a\u7f51 100GbASE SR4<\/th>\n<\/tr>\n
OM1<\/td>\n62.5\/125<\/td>\n\u591a\u6a21<\/td>\n275m<\/td>\n550m<\/td>\n33m<\/td>\n\u4e0d\u652f\u6301<\/td>\n\u4e0d\u652f\u6301<\/td>\n<\/tr>\n
OM2<\/td>\n50\/125<\/td>\n\u591a\u6a21<\/td>\n550m<\/td>\n550m<\/td>\n82m<\/td>\n\u4e0d\u652f\u6301<\/td>\n\u4e0d\u652f\u6301<\/td>\n<\/tr>\n
OM3(\u6fc0\u5149\u4f18\u5316)<\/td>\n50\/125<\/td>\n\u591a\u6a21<\/td>\n550m<\/td>\n550m<\/td>\n300m<\/td>\n100m\uff08SR4\uff09<\/td>\n100m\uff08SR4\uff09<\/td>\n<\/tr>\n
OM4(\u6fc0\u5149\u4f18\u5316)<\/td>\n50\/125<\/td>\n\u591a\u6a21<\/td>\n550m<\/td>\n550m<\/td>\n400m<\/td>\n150m\uff08SR4\uff09<\/td>\n150m\uff08SR4\uff09<\/td>\n<\/tr>\n
\u5355\u6a21<\/td>\n9\/125<\/td>\n\u5355\u6a21<\/td>\n5km\uff081310nm\uff09<\/td>\n5km\uff081310nm\uff09<\/td>\n10km\uff081310nm\uff09<\/td>\nN\/A<\/td>\nN\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n

\u4e8c\u3001\u8bbe\u8ba1\u57fa\u7840<\/h2>\n

1\u3001\u4f20\u7edf\u7684OM1\u548cOM2\u591a\u6a21\u5149\u7ea4\u4ece\u6807\u51c6\u4e0a\u548c\u8bbe\u8ba1\u4e0a\u5747\u4ee5LED\uff08Light Emitting Diode\u00a0\u53d1\u5149\u4e8c\u6781\u7ba1\uff09\u65b9\u5f0f\u4e3a\u57fa\u7840\u5149\u6e90\uff0c\u800cOM3\u548cOM4\u5219\u5728OM2\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4f18\u5316\uff0c\u4f7f\u5176\u540c\u65f6\u9002\u7528\u4e8e\u5149\u6e90\u4e3aLD\uff08Laser Diode\u6fc0\u5149\u4e8c\u6781\u7ba1\uff09\u7684\u4f20\u8f93\uff1b<\/p>\n

2\u3001\u4e0eOM1\u3001OM2\u76f8\u6bd4\uff0cOM3\u5177\u6709\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u53ca\u5e26\u5bbd\uff0c\u6240\u4ee5\u79f0\u4e3a\u4f18\u5316\u578b\u591a\u6a21\u5149\u7ea4\u6216\u4e07\u5146\u591a\u6a21\u5149\u7ea4\uff1b<\/p>\n

3\u3001OM4\u5728OM3\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u518d\u4f18\u5316\uff0c\u5177\u5907\u66f4\u4f73\u7684\u6027\u80fd \u3002<\/p>\n

<\/div>\n

\u4e09\u3001\u529f\u80fd\u4e0e\u7279\u70b9<\/h2>\n

1\u3001OM1\uff1a\u82af\u5f84\u548c\u6570\u503c\u5b54\u5f84\u8f83\u5927\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u96c6\u5149\u80fd\u529b\u548c\u6297\u5f2f\u66f2\u7279\u6027\uff1b<\/p>\n

2\u3001OM2\uff1a\u82af\u5f84\u548c\u6570\u503c\u5b54\u5f84\u90fd\u6bd4\u8f83\u5c0f\uff0c\u6709\u6548\u5730\u964d\u4f4e\u4e86\u591a\u6a21\u5149\u7ea4\u7684\u6a21\u8272\u6563\uff0c\u4f7f\u5e26\u5bbd\u663e\u8457\u589e\u5927\uff0c\u5236\u4f5c\u6210\u672c\u4e5f\u964d\u4f4e1\/3\uff1b<\/p>\n

3\u3001OM3\uff1a\u91c7\u7528\u963b\u71c3\u5916\u76ae\uff0c\u53ef\u4ee5\u9632\u6b62\u706b\u7130\u8513\u5ef6\u3001\u9632\u6b62\u6563\u53d1\u70df\u96fe\u3001\u9178\u6027\u6c14\u4f53\u548c\u6bd2\u6c14\u7b49\uff0c\u5e76\u6ee1\u8db310Gb\/s\u4f20\u8f93\u901f\u7387\u7684\u9700\u8981\uff1b<\/p>\n

4\u3001OM4\uff1a\u4e3aVSCEL\u6fc0\u5149\u5668\u4f20\u8f93\u800c\u5f00\u53d1\uff0c\u7684\u6709\u6548\u5e26\u5bbd\u6bd4OM3\u591a\u4e00\u500d\u4ee5\u4e0a\u3002<\/p>\n

\"\"<\/div><\/p>\n
<\/div>\n

\u56db\u3001\u5e94\u7528\u8303\u56f4<\/h2>\n

1\u3001OM1\u548cOM2\u591a\u5e74\u6765\u88ab\u5e7f\u6cdb\u90e8\u7f72\u4e8e\u5efa\u7b51\u7269\u5185\u90e8\u7684\u5e94\u7528\uff0c\u652f\u6301\u6700\u5927\u503c\u4e3a1Gb\u7684\u4ee5\u592a\u7f51\u8def\u4f20\u8f93\uff1b<\/p>\n

2\u3001OM3\u548cOM4\u5149\u7f06\u901a\u5e38\u7528\u4e8e\u5728\u6570\u636e\u4e2d\u5fc3\u7684\u5e03\u7ebf\u73af\u5883\uff0c\u652f\u630110G\u751a\u81f3\u662f40\/100G\u9ad8\u901f\u4ee5\u592a\u7f51\u8def\u7684\u4f20\u8f93\u3002<\/p>\n

<\/div>\n

\u4e94\u3001\u4f55\u65f6\u4f7f\u7528OM3\u5149\u7ea4\u8df3\u7ebf?<\/h2>\n

OM3\u5149\u7ea4\u662f\u4e0eVCSEL\u914d\u5957\u5de5\u4f5c\u800c\u8bbe\u8ba1\u7684\u5149\u7ea4\uff0c\u7b26\u5408ISO\/IEC11801-2nd\u7684OM-3\u5149\u7ea4\u89c4\u8303\uff0c\u6ee1\u8db3\u4e07\u5146\u4ee5\u592a\u7f51\u5e94\u7528\u7684\u9700\u6c42\u3002OM3\u5149\u7ea4\u6709\u591a\u79cd\u7c7b\u578b\uff0c\u5305\u62ec\u5ba4\u5185\u578b\u3001\u5ba4\u5185\/\u5ba4\u5916\u901a\u7528\u6027\u7b49\uff0c\u5149\u7ea4\u7684\u82af\u6570\u4ece4\u82af\u523048\u82af\u3002\u6b64\u5916\u8fd8\u652f\u6301\u6240\u6709\u57fa\u4e8e\u65e7\u7684\u591a\u6a2150\/125\u5149\u7ea4\u7684\u5e94\u7528\uff0c\u5305\u62ec\u652f\u6301LED\u5149\u6e90\u548c\u6fc0\u5149\u5149\u6e90\u3002<\/p>\n

1\u3001\u91c7\u7528OM3\u5149\u7ea4\u7cfb\u7edf\u4f20\u8f93\u5343\u5146\u4ee5\u592a\u7f51\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u5ef6\u957f\u5230900\u7c73\uff0c\u8fd9\u610f\u5473\u7740\u5f53\u697c\u95f4\u8ddd\u79bb\u8d85\u8fc7550\u7c73\u65f6\u7528\u6237\u4e0d\u5fc5\u91c7\u7528\u6602\u8d35\u7684\u6fc0\u5149\u5668\u4ef6\u3002<\/p>\n

2\u3001\u57282000\u7c73\u8ddd\u79bb\u5185\uff0cOC-12\uff08622Mb\/s\uff09\u901f\u7387\u8303\u56f4\u5185\u7684\u5404\u79cd\u60c5\u51b5\u90fd\u53ef\u4ee5\u4f7f\u7528\u6807\u51c662.5\/125\u03bcm\u591a\u6a21\u5149\u7ea4\uff0c\u6b64\u4ee5\u5916\u90fd\u4f1a\u4f7f\u7528\u5355\u6a21\u5149\u7ea4\u3002\u7136\u800cOM3 \u591a\u6a21\u5149\u7ea4\u7684\u51fa\u73b0\u6539\u53d8\u4e86\u8fd9\u79cd\u72b6\u51b5\uff0c\u7531\u4e8eOM3 \u5149\u7ea4\u53ef\u4ee5\u63d0\u9ad8\u5343\u5146\u548c\u4e07\u5146\u7cfb\u7edf\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u91c7\u7528850nm \u6ce2\u957f\u5149\u6a21\u5757\u4e0eVCSEL\u914d\u5957\u4f7f\u7528\uff0c\u5c06\u662f\u6027\u4ef7\u6bd4\u6700\u9ad8\u7684\u5e03\u7ebf\u65b9\u6848\u3002<\/p>\n

3\u3001\u5f53\u94fe\u8def\u957f\u5ea6\u8d85\u8fc71000\u7c73\u65f6\uff0c\u5355\u6a21\u5149\u7ea4\u4ecd\u662f\u76ee\u524d\u552f\u4e00\u7684\u9009\u62e9\uff0c\u5355\u6a21\u5149\u7ea4\u5728\u5343\u5146\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u57281310nm\u6ce2\u957f\u4e0a\u5b9e\u73b05\u516c\u91cc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u5728\u4e07\u5146\u7cfb\u7edf\u4e2d\u5b9e\u73b010\u516c\u91cc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n

4\u3001\u5f53\u94fe\u8def\u957f\u5ea6\u5c0f\u4e8e\u6216\u7b49\u4e8e1000\u7c73\u65f6\uff0c\u5728\u5343\u5146\u7cfb\u7edf\u4e2d\u53ef\u4ee5\u91c7\u7528OM3 50\u03bcm\u591a\u6a21\u5149\u7ea4\uff0c\u800c\u5728\u4e07\u5146\u7cfb\u7edf\u4e2d\u5e94\u91c7\u7528\u5355\u6a21\u5149\u7ea4\u3002<\/p>\n

5\u3001\u5f53\u94fe\u8def\u957f\u5ea6\u5c0f\u4e8e300\u7c73\u65f6\uff0cOM3\u591a\u6a21\u5149\u7ea4\u53ef\u4ee5\u5e94\u7528\u4e8e\u4efb\u4f55\u5343\u5146\u548c\u4e07\u5146\u7cfb\u7edf\u4e2d\u3002<\/p>\n

<\/div>\n

\u516d\u3001\u4f55\u65f6\u4f7f\u7528OM4\u5149\u7ea4\u8df3\u7ebf?<\/h2>\n

\u5bf9\u4e8e\u4e00\u4e2a\u5178\u578b\u7684\u94fe\u8def\uff0c\u5149\u6a21\u5757\u7684\u6210\u672c\u5927\u7ea6\u662f\u5f88\u6602\u8d35\u7684\u3002\u867d\u7136\u5355\u6a21\u5149\u7ea4\u7684\u6210\u672c\u6bd4\u591a\u6a21\u5149\u7ea4\u8981\u4fbf\u5b9c\uff0c\u4f46\u662f\u5355\u6a21\u5149\u7ea4\u7684\u4f7f\u7528\u9700\u8981\u975e\u5e38\u6602\u8d35\u76841300nm\u5149\u6a21\u5757\uff0c\u5176\u6210\u672c\u5927\u7ea6\u662f850nm\u00a0\u591a\u6a21\u5149\u6a21\u5757\u76842-3\u500d\uff0c\u7efc\u5408\u6765\u770b\uff0c\u4e00\u4e2a\u591a\u6a21\u5149\u7ea4\u7684\u7cfb\u7edf\u6210\u672c\u8981\u8fdc\u4f4e\u4e8e\u5355\u6a21\u5149\u7ea4\u7cfb\u7edf\u3002<\/p>\n

\u5728\u6295\u8d44\u5149\u7ea4\u5e03\u7ebf\u7684\u65f6\u5019\uff0c\u5982\u679c\u80fd\u8003\u8651\u589e\u52a0\u4e00\u4e9b\u5e03\u7ebf\u7684\u521d\u671f\u6295\u8d44\uff0c\u91c7\u7528\u66f4\u597d\u7684\u591a\u6a21\u5149\u7ea4\uff0c\u5982OM4\u5149\u7ea4\uff0c\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u5145\u5206\u5229\u7528\u5f53\u524d\u7684\u591a\u6a21\u5149\u7ea4\u6280\u672f\uff0c\u964d\u4f4e\u5f53\u524d\u7cfb\u7edf\u7684\u6574\u4f53\u9020\u4ef7\uff1b\u5f53\u7cfb\u7edf\u9700\u8981\u5347\u7ea7\u5230\u66f4\u9ad8\u901f\u7387\u7684\u7cfb\u7edf\u65f6\uff0c\u598240G\u548c100G\u7684\u65f6\u5019\uff0cOM4\u4efb\u7136\u53ef\u4ee5\u4f7f\u7528\u5e76\u4e14\u5c06\u66f4\u52a0\u8282\u7701\u6210\u672c\u3002<\/p>\n

\u603b\u4e4b\uff0c\u5f53\u4f20\u8f93\u901f\u7387\u5927\u4e8e1Gb\/s\u65f6\uff0c\u91c7\u7528\u591a\u6a21\u5149\u7ea4\u662f\u4e00\u79cd\u5f88\u597d\u7684\u7cfb\u7edf\u9009\u62e9\u3002\u5f53\u7cfb\u7edf\u9700\u8981\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u65f6\uff0c\u4ee5\u4e0b\u662f\u6211\u4eec\u9009\u62e9OM4\u5149\u7ea4\u7684\u6307\u5bfc\u539f\u5219\uff1a<\/p>\n

1\uff0e\u5bf9\u4ee5\u592a\u7f51\u00a0\u7528\u6237\uff0c\u572810Gb\/s\u7cfb\u7edf\u4f20\u8f93\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe300m\u81f3600m\uff1b\u572840Gb\/s\u548c100Gb\/s\u7cfb\u7edf\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u5728100m\u81f3125m\u3002<\/p>\n

2\uff0e\u5bf9\u6821\u56ed\u7f51\u7528\u6237\uff0cOM4\u5149\u7ea4\u5c06\u652f\u63014Gb\/s\u5149\u7ea4\u94fe\u8def\u957f\u5ea6400m,\u00a08Gb\/s\u5149\u7ea4\u94fe\u8def\u957f\u5ea6200m\u621616Gb\/s\u5149\u7ea4\u94fe\u8def\u957f\u5ea6130m\u3002<\/p>\n

<\/div>\n

\u603b\u7ed3<\/h2>\n

\u591a\u6a21\u5149\u7ea4\u6280\u672f\u5df2\u7531OM1\u591a\u6a21\u53d1\u5c55\u5230\u4e86\u73b0\u5728\u652f\u630140\/100Gbps\u7684OM5\uff0c\u8fd9\u5c06\u4f7f\u7528\u6237\u7684\u6295\u8d44\u5f97\u5230\u6700\u6709\u6548\u7684\u56de\u62a5\uff0c\u6210\u4e3a\u9aa8\u5e72\u5e03\u7ebf\u6216\u8005\u5149\u7ea4\u5230\u684c\u9762\u7684\u6700\u4f73\u9009\u62e9\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cOM\u201dstand for optical multi-mode\uff0c\u5373\u5149\u6a21\u5f0f\uff0c\u662f\u591a\u6a21\u5149\u7ea4\u8868\u793a\u5149\u7ea4\u7b49\u7ea7\u7684\u6807\u51c6\u3002\u4e0d\u540c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1757","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/1757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1757"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/1757\/revisions"}],"predecessor-version":[{"id":1758,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/1757\/revisions\/1758"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}