Multimode
Fiber Couplers
Features |
|
Applications |
- Low Insertion loss
- Wide Operating Wavelength
- Compact Size
- Excellent Environmental & Mechanical Stability
|
|
- Local Area Networks
- CATV Systems
- Subscriber Loop
- Fiberoptic Instruments
- Fiber Sensors
|
Performance
Specifications
Type
|
Multimode
Standard Fiber Couplers |
|
Coupling Ratio
(%) |
50/50 |
|
Grade |
A |
B |
|
Excess Loss
(Typical) (dB) |
0.5
(0.8)* |
0.7
(1.0)* |
|
Max. Insertion
Loss (dB) |
3.5
(4.0)* |
3.7
(4.2)* |
|
Uniformity (Max.)
(dB) |
0.6 |
0.8 |
|
Directivity
(Min.) (dB) |
35 |
|
Operating Wavelength
(nm) |
600-1600 |
|
Central Wavelength
(nm) |
850
or 1310 or 1550 |
| Operating
Temperature( ° C) |
-40
- +85 |
|
Fiber Type |
Corning
multimode 50/125, 62.5/125, 100/140 fiber |
|
Fiber Pigtail
Length (m) |
1m
or custom length |
|
Port Configuration |
1x2
or 2x2 |
Dimensions
(mm)
|
Package
M, A, B, C |
Type
|
Multimode
1X3, 1X4 True Fusion Couplers |
|
Port Configuration |
1x3 |
1x4 |
|
Grade |
P |
P |
|
Max. Insertion
Loss (dB) |
6.0
(6.5)* |
7.2
(7.6)* |
|
Uniformity (Max.)
(dB) |
1.2 |
1.2 |
|
Directivity
(Min.) (dB) |
35 |
|
Operating Wavelength
(nm) |
600-1600 |
|
Central Wavelength
(nm) |
850
or 1310 |
| Operating
Temperature(° C) |
-40
- +85 |
|
Fiber Type |
Corning
multimode 50/125, 62.5/125, 100/140 fiber |
|
Fiber Pigtail
Length (m) |
1m
or custom length |
Dimensions
(mm)
|
Package
A, B, C |
Type
|
Multimode
Tree/Star Couplers |
| Configuration
Type |
n
x 4 (n=1,2,4,) |
n
x 8 (n =1,2,8) |
n
x 16 (n =1,2,16) |
| Max.
Insertion Loss (dB) |
7.0/7.6* |
10.5/11.0* |
14.0/15.0* |
| Uniformity
(Max.) (dB) |
1.5 |
2.0 |
2.5 |
| Directivity
(Min.) (dB) |
40dB
|
| Operating
Wavelength (nm) |
600-1600 |
| Central
Wavelength (nm) |
850
or 1310 |
| Operating
Temperature(° C) |
-40
- +85 |
| Fiber
Type |
Corning
multimode 50/125, 62.5/125 fiber, 100/140 fiber |
| Fiber
Pigtail Length (m) |
1m
or custom length |
| Dimensions
(mm) |
PackageA,
B, S, D |
PackageD |
PackageE |
*For 50/125 um, 62.5/125 um fiber operating is at 850nm.
** Measured under the stable mode condition with LED
light source.
Ordering Infomation
|
|
|
|
|
|
|
|
|
|
Type• |
Grade |
Wavelength |
Coupling Ratio or
Attenuation (dB) |
Port |
Package |
Pigtail Style |
Fiber Type |
In/Out Connector |
|
M
|
P
A
B |
85=850nm
13=1310nm
15=1550nm |
50=50/50
30=30/70
10=10/90
05=5/95
01=1/99
AV=Tree Coupler |
0102=1x2
0202=2x2
0103=1x3
0303=3x3
0104=1x4
• •
• •
0116=1x16
1616=16x16
3232=32x32 |
A=Package A
B=Package B
C=Package C
D=Package D
E=Package E
M=Package M
S=Package S
|
1=Bare Fiber
2=900µm Jacket
3=3mm Cable |
2=50/125um
3=62.5/125um
4=100/140um 5=Special fiber |
0=None
1=FC/APC
2=FC/PC
3=SC/APC
4=SC/PC
5=ST
6=LC
X=Special |
* Type:
M -- Multimode fiber coupler
Dimensions
& Pigtail Style
Package Dimensions: |
| Package
M:
3mm x 40mm stainless steel tube |
|
Package
A:
3mm x 54mm stainless steel tube |
 |
| Package
B:
3mm x 60mm stainless steel tube
|
|
| Package C:
8.5mm x 14mm x 98mm case |
|
Package S:
9.2mm x 50.88mm x 88.9mm case |
 |
| Package D:
11.6mm x 80mm x 120mm |
|
Package E:
14.5mm x 102mm x 142mm |
 |
|
Pigtail
Style: |
| Package
M, A: |
250um bare fiber |
| Package A, B: |
250um bare fiber or 900um loose tube
|
| Package C ~ E: |
3mm cable or 900um loose tube |
| Package S: |
250um bare fiber or 900um loose tube |
|
