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簡介
熔融拉錐是將兩根或多根光纖捆在一起,然后在拉錐機(jī)上熔融拉伸,并實(shí)時(shí)監(jiān)控分光比的變化,分光比達(dá)到要求后結(jié)束熔融拉伸,其中一端保留一根光纖(其余剪掉)作為輸入端,另一端則作多路輸出端。目前成熟拉錐工藝一次只能拉1×4以下。1×4以上器件,則用多個1×2連接在一起。再整體封裝在分路器盒中。
單模光纖寬帶耦合器能使在光纖中傳輸?shù)墓庑盘栐谔厥饨Y(jié)構(gòu)的耦合區(qū)發(fā)生耦合,進(jìn)行光功率的再分配。該產(chǎn)品分光比可任選,分單、雙窗口兩種類別。
產(chǎn)品符合Telcordia GR-1221的標(biāo)準(zhǔn)
應(yīng)用領(lǐng)域:
CATV系統(tǒng)及其它光網(wǎng)絡(luò)的擴(kuò)容
光儀表、EDFA、DWDM系統(tǒng)
特點(diǎn):
附加損耗低
工作帶寬寬
分光比任選
封裝信息:
結(jié)構(gòu) |
1×2 or 2×2 |
||
尾纖長度 |
1m或客戶要求 |
||
尾纖類型 |
250mm裸纖 |
900mm松套管 |
2mm、3mm松套管 |
封裝尺寸 (¢×L)mm |
¢3.0×54 |
¢3.0×70 |
90×14×8.5 |
外殼 |
不銹鋼(圓) |
不銹鋼(圓) |
小模塊 |
注:也可以按客戶的規(guī)格要求進(jìn)行封裝
性能指標(biāo):
等級 參數(shù) |
P級 |
A級 |
|
工作波長(nm) |
1310,1550或其它 |
||
工作帶寬(nm) |
±15 |
||
典型附加損耗(dB) |
≦0.10 |
≦0.15 |
|
插入損耗(dB) |
50/50 |
≦3.4 |
≦3.6 |
40/60 |
≦4.4/2.6 |
≦4.7/2.8 |
|
30/70 |
≦5.7/1.9 |
≦6.0/2.0 |
|
20/80 |
≦7.6/1.2 |
≦8.0/1.3 |
|
10/90 |
≦11.0/0.65 |
≦11.5/0.8 |
|
5/95 |
≦14.2/0.4 |
≦14.8/0.5 |
|
2/98 |
≦18.5/0.25 |
≦19.0/0.35 |
|
1/99 |
≦21.5/0.2 |
≦22.0/0.3 |
|
偏振相關(guān)損耗(dB) |
≦0.10 |
≦0.15 |
|
方向性(dB) |
≧55 |
||
工作溫度(℃) |
-20~+70 |
注:可按客戶規(guī)格的要求定制
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.