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Product < Coupler (optical fiber coupler) |
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Characteristics |
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* Low Excess Loss
* High Directivity
* Excellent Uniformity
* Compact Size |
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Applications |
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* LAN, CATV Systems
* Optical Fiber Communications
* Subscriber's Network Equipments
* Bi-directional Systems
* EDFA
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Specifications |
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Narrowband Coupler |
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| Parameters |
Configuration |
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Coupling Ratio/
Insertion Loss(1x2) |
N x 2 |
N x 3 |
N x 4 |
N x 8 |
N x 16 |
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Split Ratio |
I nsertion Loss(dB) |
(N=1,2) |
(N=1,3) |
(N=1,2,4) |
(N=1,2,8) |
(N=1,2,16) |
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G rade |
P |
A |
| Grade |
P |
A |
P |
A |
P |
A |
P |
A |
P |
A |
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5 0/50 |
3.4 |
3.7 |
| Insertion Loss (dB) |
Max. |
3.4 |
3.7 |
5.5 |
5.9 |
6.8 |
7.2 |
10.0 |
11.0 |
13.0 |
14.0 |
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4 0/60 |
4.4/2.5 |
4.8/2.8 |
| Uniformity (dB) |
Max. |
0.6 |
1.0 |
1.5 |
1.8 |
0.8 |
1.2 |
1.2 |
3.0 |
2.4 |
3.8 |
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3 0/70 |
5.6/1.8 |
6.1/2.0 |
Excess
Loss (dB) |
T yp. |
0.07 |
0.1 |
0.2 |
0.3 |
0.3 |
0.5 |
0.5 |
0.9 |
0.8 |
1.2 |
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2 0/80 |
7.4/1.1 |
8.0/1.3 |
| PDL (dB) |
Max. |
0.1 |
0.15 |
0.15 |
0.2 |
0.2 |
0.2 |
0.3 |
0.3 |
0.4 |
0.4 |
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1 0/90 |
10.8/0.6 |
12.0/0.8 |
| Directivity (dB) |
Min. |
>55 |
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5 /95 |
14.6/0.4 |
15.5/0.6 |
| Bandwidth (dB) |
- |
‐10nm |
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1 /99 |
21.5/0.2 |
22.0/0.3 |
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Broadband Coupler(Single Window/Two Window) |
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| Parameters |
Configuration |
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Coupling Ratio/
Insertion Loss(1x2) |
N x 2 |
N x 4 |
N x 8 |
N x 16 |
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Split Ratio |
I nsertion Loss(dB) |
(N=1,2) |
(N=1,2,4) |
(N=1,2,8) |
(N=1,2,16) |
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G rade |
P |
A |
| Grade |
P |
A |
P |
A |
P |
A |
P |
A |
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5 0/50 |
3.6 |
3.9 |
Insertion
Loss (dB) |
Max. |
3.6 |
3.9 |
7.2 |
7.6 |
10.7 |
11.7 |
14.5 |
15.5 |
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4 0/60 |
4 .7/2.7 |
5 .0/2.9 |
| Uniformity (dB) |
Max. |
0.8 |
1.2 |
1.0 |
1.4 |
1.6 |
3.2 |
2.4 |
4.0 |
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3 0/70 |
6 .0/1.9 |
6 .4/2.1 |
Excess
Loss (dB) |
T yp. |
0.1 |
0.3 |
0.4 |
0.6 |
0.6 |
0.9 |
1.0 |
1.4 |
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2 0/80 |
7 .9/1.2 |
8 .5/1.4 |
| PDL (dB) |
Max. |
0.15 |
0.2 |
0.3 |
0.3 |
0.5 |
0.5 |
0.6 |
0.6 |
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1 0/90 |
1 1.3/0.8 |
1 2.7/1.0 |
| Directivity (dB) |
Min. |
>55 |
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5 /95 |
1 5.2/0.4 |
1 8.4/0.6 |
| Bandwidth (dB) |
- |
‐40nm |
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1 /99 |
2 3.5/0.3 |
2 4.0/0.4 |
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| Operating Temperature Range(”) |
-40~ +70 |
| Storage Temperature Range(”) |
-40~ +85 |
| Package Dimension (mm) |
S: ）3.0 x 54L L: ）4.0 x 70L C: ）85L x 17W x 7H |
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