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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(gè)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?hào)在特殊結(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
性能指標(biāo):
50:50寬帶耦合器 |
單位 |
單窗口 |
雙窗口 |
|
插入損耗 |
dB |
≤3.3 |
≤3.4 |
|
均勻性 |
dB |
≤0.6 |
≤0.6 |
|
工作帶寬 |
nm |
±40 |
±40 |
|
溫度穩(wěn)定性 |
dB |
≤0.10 |
≤0.10 |
|
偏振相關(guān)損耗 |
dB |
≤0.10 |
≤0.10 |
|
方向性 |
1x2 |
dB |
≥60{外部匹配} |
≥60{外部匹配} |
1x2 |
≥55{內(nèi)部匹配} |
≥55{內(nèi)部匹配} |
||
2x2 |
≥60 |
≥65 |
||
工作溫度 |
℃ |
-40~+85 |
||
儲(chǔ)存溫度 |
℃ |
-40~+85 |
分光比和插入損耗對應(yīng)表 |
||
插入損耗{dB} |
||
用戶需要的分光比 |
單窗口 |
雙窗口 |
50/50 |
3.3 |
3.4 |
40/60 |
4.4/2.5 |
4.5/2.5 |
30/70 |
5.6/1.8 |
5.8/1.9 |
20/80 |
7.4/1.1 |
7.7/1.2 |
10/90 |
10.8/0.6 |
10.8/0.6 |
5/95 |
13.7/0.4 |
13.7/0.4 |
3/97 |
15.6/0.3 |
15.8/0.35 |
1/99 |
21/0.2 |
21/0.2 |
封裝和安裝尺寸:
|
A |
B |
C |
D |
E |
外型尺寸 |
φ3x52 |
3.5X65 |
100X18X9 |
112X80X10.5 |
130x90x18 |
安裝尺寸 |
|
|
65X11X2φ3.2 |
102x72x2φ3.2 |
65x11x2φ3.2 |
外殼 |
不銹鋼管 |
不銹鋼管 |
塑料盒 |
塑料盒 |
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.