產(chǎn)品詳情
Deva? 滑動(dòng)軸承? BM382 200.130FY??
公司產(chǎn)品知識(shí)延伸
色散位移光纖
單模光纖的工作波長(zhǎng)在? 3Pm時(shí)，模場(chǎng)直徑約9Pm，其傳輸損耗約0.3dB/km。此時(shí)，零色散波長(zhǎng)恰好在? 3pm處。石英光纖中，從原材料上看? 55pm段的傳輸損耗?。s0.2dB/km）。由于已經(jīng)實(shí)用的摻鉺光纖放大器（EDFA）是工作在? 55pm波段的，如果在此波段也能實(shí)現(xiàn)零色散，就更有利于應(yīng)用? 55Pm波段的長(zhǎng)距離傳輸。于是，巧妙地利用光纖材料中的石英材料色散與纖芯結(jié)構(gòu)色散的合成抵消特性，就可使原在? 3Pm段的零色散，移位到? 55pm段也構(gòu)成零色散。因此，被命名為色散位移光纖。加大結(jié)構(gòu)色散的方法，主要是在纖芯的折射率分布性能進(jìn)行改善。在光通信的長(zhǎng)距離傳輸中，光纖色散為零是重要的，但不是唯一的。其它性能還有損耗小、接續(xù)容易、成纜化或工作中的特性變化?。ò◤澢?、拉伸和環(huán)境變化影響）。DSF就是在設(shè)計(jì)中，綜合考慮這些因素。
山東中發(fā)工業(yè)設(shè)備有限公司專業(yè)進(jìn)口德國(guó)，美國(guó)，意大利等歐美進(jìn)口件
原廠進(jìn)口,只要是歐美進(jìn)口品牌都可以發(fā)給我問(wèn)問(wèn)看，希望有更多合作的機(jī)會(huì)?，F(xiàn)貨庫(kù)存可當(dāng)天發(fā)出，誠(chéng)信經(jīng)營(yíng)，值得信賴。
山東中發(fā)工業(yè)供應(yīng)產(chǎn)品型號(hào)有
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