|
COUPLERS
We
can supply the following types of couplers:
 |
Fused Single Mode Couplers |
|
SM Wavelength Flattened Couplers(1x2 &
2x2) |
|
SM Tree Star Couplers |
For any
specific requirements please contact our sales department
|
Parameter
|
Standard
|
Wavelength
flattened
|
Broadband
|
|
Operating
Wavelength (nm)
|
1310
or 1550
|
1310
or 1550
|
1310
or 1550
|
|
Bandwidth
(nm)
|
±
20
|
±
40
|
±
40
|
|
Star
Structure
|
4x4
|
8x8
|
16x16
|
4x4
|
8x8
|
16x16
|
4x4
|
8x8
|
16x16
|
|
Tree
Structure
|
1x4
|
1x8
|
1x16
|
1x4
|
1x8
|
1x16
|
1x4
|
1x8
|
1x16
|
|
Typical
Insertion Loss(dB)
|
6.3
|
9.4
|
12.6
|
6.3
|
9.4
|
12.6
|
6.3
|
9.4
|
12.6
|
|
Maximum
Insertion Loss(dB)
|
7.1
|
10.6
|
14.3
|
7.6
|
11.5
|
14.5
|
7.7
|
11.7
|
15.5
|
|
Uniformity
(dB)
|
0.7
|
1.0
|
1.3
|
1.5
|
2.2
|
3.0
|
1.9
|
2.8
|
3.7
|
|
Minimum
Directivity (dB)
|
>60
|
|
Operating
Temperature(°C)
|
-40
~ +75
|
|
Storage
Temperature(°C)
|
-40
~+85
|
|
Industry
Standard
|
Telcordia
GR-1221-CORE
|
|
