Single Mode Couplers are used to distribute optical signals between fibers. We offer various types of single mode coupler including standard couplers, polarization independent couplers, wavelength independent couplers and wavelength flattenend couplers. These couplers are highly stable. They have low insertion loss, low polarization sensitivity and excellent uniformity.
| Features |
| Ultra low insertion loss |
| Ultra low polarization sensitivity |
| Dual-window |
| Various coupling ratio |
| Wide bandwidth |
| Environmentally stable |
| Excellent uniformity |
| Applications |
| Long Haul telecommunications |
| Test equipment |
| CATV system |
| Fiber optic sensors |
| Network monitoring |
| LAN, WAN systems |
| Subscribers loop |
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| Specifications (SM Coupler) |
| 1310 & 1550 Series (Central wavelength: 1310nm & 1550nm) |
|
Parameter |
Standard |
Polarization Independent |
Wavelength Independent |
Wavelength Flattened |
Units |
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| Operating Wavelength |
1310 or 1550, others on request |
1310&1550 |
nm |
|
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| Bandwidth |
±20 |
±20 |
±40 | ±40 | nm |
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| Excess Loss | Typ | 0.05 | 0.05 | 0.05 | 0.06 | dB |
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| Max | 0.08 | dB |
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| Insertion Loss | Coupling ratio | |||||||
| 50/50 | Typ | 3.05 | 3.05 | 3.05 | 3.06 | dB |
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| Max | 3.3 | 3.3 | 3.4 | 3.6 | dB |
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| 40/60 | Typ | 4.1/2.3 | dB |
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| Max | 4.4/2.5 | 4.4/2.5 | 4.4/2.5 | 4.7/2.7 | dB |
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| 30/70 | Typ | 5.3/1.6 | dB |
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| Max | 5.6/1.8 | 5.6/1.8 | 5.6/1.8 | 6.0/1.9 | dB |
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| 20/80 | Typ | 7.1/1.0 | dB |
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| Max | 7.4/1.2 | 7.4/1.2 | 7.4/1.2 | 7.9/1.2 | dB |
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| PDL | 50/50, 40/60 | Max | 0.1 | 0.04 | 0.1 | 0.1 | dB |
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| 30/70, 20/80 | Max | 0.15/0.10 | 0.06/0.04 | 0.15/0.10 | 0.15/0.10 | dB |
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| Thermal Stability | Max | 0.002dB over -40ºC to +85ºC | dB |
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| Directivity | Configuration | |||||||
| 1x2 | Min | 50, 60 on request | dB |
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| 2x2 | Min | 65 | dB |
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| Operating Temperature | 250μm bare fiber | -40 to +85 | ºC |
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| 900μm loose fiber | -20 to +70 | ºC |
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| 3mm loose cable | -20 to +70 | ºC |
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| * Other configurations available. Please contact us for details. |
| 980 & 1064 Series (Central wavelength: 980nm & 1060nm) |
|
Parameter |
Values |
Units |
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| Operating Wavelength | 980 or 1060 |
nm |
|
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| Operating Bandwidth | +/- 10 |
nm |
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| Port Configuration | 1x2 or 2x2 |
-- |
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| Excess Loss | < 0.1 |
dB |
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| Coupling Ratio | 1/99 |
10/90 | 20/80 | 50/50 | % |
|
| Insertion Loss | 21.9/0.25 |
11.0/0.70 | 7.7/1.2 | 3.5/3.5 | dB |
|
| WDL | 1.5/0.08 |
0.8/0.1 | 0.7/0.15 | 0.4/0.4 | dB |
|
| Polarization Dependent Loss | < 0.1 |
dB |
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| Return Loss | > 50 |
dB | ||||
| Thermal Stability | < 0.002 |
dB/ºC |
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| Operating Temperature | -20 to 70 |
ºC |
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| 850 Series (Central wavelength: 850nm) |
| Parameter | Values | Units | ||
| Operating Wavelength | 850 (or others within 780~860) |
nm |
|
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| Operating Bandwidth | +/- 5 |
nm |
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| Port Configuration | 1x2 or 2x2 |
-- |
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| Coupling Ratio | 50/50, others on request |
-- |
||
| Excess Loss | Typ | 0.3 |
dB |
|
| Insertion Loss | Typ | 3.6 |
dB |
|
| Uniformity | Max | 0.6 |
dB |
|
| Directivity | Min | 50 |
dB |
|
| Operating Temperature | -20 to +75 | ºC |
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| Storage Temperature | -40 to +80 | ºC |
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| 633 Series (Central wavelength: 633nm) |
| Parameter | Values | Units | ||
| Operating Wavelength | 633 |
nm |
|
|
| Operating Bandwidth | +/- 15 |
nm |
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| Port Configuration | 1x2 or 2x2 |
-- |
||
| Coupling Ratio | 50/50 ~ 1/99 |
-- |
||
| Excess Loss | Typ | 0.2 |
dB |
|
| PDL | Max | 0.15 |
dB |
|
| Directivity | Min | 55 |
dB |
|
| Operating Temperature | -40 to +85 | ºC |
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Single Mode Fused Coupler (2000nm) New Products! |
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Parameter |
Value |
Units |
|
Center Wavelength (CWL) |
2000 |
nm |
|
Operating Wavelength |
CWL+/-20 |
nm |
|
Coupling Ratio |
50/50 |
% |
|
Max. Insertion Loss (1->3) |
3.5/3.5 |
dB |
|
Max. Insertion Loss (2->3) |
3.5/3.5 |
dB |
|
Max. PDL |
0.10 |
dB |
|
Max. Excess Loss |
0.30 |
dB |
|
Thermal Stability |
<=0.002 over -5ºC to +70ºC |
dB/ºC |
|
Min. Return Loss |
50 |
dB |
|
Directivity (1x2) |
50 |
dB |
|
Max. Optical Power (Continous Wave) |
300 |
mW |
|
Fiber Type |
SMF-28 fiber |
-- |
|
Package Dimensions |
dia.3.0 x 47mm for 250um bare fiber |
mm mm |
|
Operating Temperature |
-5 to +70 |
ºC |
|
Storage Temperature |
-40 to +85 |
ºC |
|
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* The specification is for the SM Couplerwithout connector. |
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| Center Wavelength | Ports | Feature | Remarks | Datasheet |
| 517~547 nm | 1x4 | Standard |
|
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| 618~648 nm | 1x2, 2x2 | Standard |
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| 800~880 nm | 1x2, 2x2 | Standard |
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| 970~990 nm | 1x2, 2x2 | Standard |
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| 970~990 nm | 1x4 | Standard |
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| 970~990, 1050~1070 nm | 1x2, 2x2 | Standard |
Optical Power: 2W or 10W |
|
| 1043~1063 nm | 1x2, 2x2 | Standard |
Optical Power: 10W |
|
| 1055~1065 nm | 1x4 | Standard |
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| 1044~1084 nm | 1x4, 1x8 | Standard |
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| 1068~1088 nm | 1x3 | Standard |
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| 1220~1410 nm | 1x2, 2x2 | Wavelength Independent |
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| 1260~1340 nm | 1x2, 2x2 | Standard |
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| 1290~1330, 1530~1570 nm | 1x2, 2x2 |
Standard, Polarization Independent |
|
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| 1310/1550 nm | 1x2, 2x2 | Wavelength Flattened | ||
| 1270~1350, 1510~1590 nm | 1x2, 2x2 | Wavelength Independent |
|
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| 1310/1550 nm | 1x2, 2x2 | Wavelength Flattened |
Wide Bandwidth (+/- 70) |
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| 1270~1350, 1510~1590 nm | 1x3 | Standard |
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| 1290~1330, 1530~1570 nm | 1x4 |
Standard, Polarization Independent |
|
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| 1270~1350, 1510~1590 nm | 1x4 | Wavelength Independent | ||
| 1310/1550 nm | 1x4 | Wavelength Flattened | ||
| 1310, 1550, 1310/1550 nm | 1x4 | Monolithic |
|
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| 1290~1330, 1530~1570 nm | 1x8 |
Standard, Polarization Independent |
|
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| 1270~1350, 1510~1590 nm | 1x8 | Wavelength Independent | ||
| 1310/1550 nm | 1x8 | Wavelength Flattened | ||
| 1270~1350, 1510~1590 nm | 1x10 | Standard |
|
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| 1290~1330, 1530~1570 nm | 1x16 |
Standard, Polarization Independent |
|
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| 1270~1350, 1510~1590 nm | 1x16 | Wavelength Independent | ||
| 1310/1550 nm | 1x16 | Wavelength Flattened | ||
| 1290~1330, 1530~1570 nm | 1x32 | Wavelength Independent |
|
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| 1270~1350, 1510~1590 nm | 1x32 | Wavelength Independent | ||
| 1310/1550 nm | 1x32 | Wavelength Flattened | ||
| 1290~1330, 1530~1570 nm | 3x3 | Standard |
|
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| 1270~1350, 1510~1590 nm | 4x4 |
Standard, Polarization Independent, Wavelength Independent |
|
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| 1310/1550 nm | 4x4 | Wavelength Flattened | ||
| 1450/1550nm | 1x2 | Wavelength Flattened |
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Single Mode Filter Coupler |
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| Wavelength | Ports | Feature | Remarks | Datasheet |
| 1240~1380 nm | 1x2 | TFF |
|
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| 1270~1350, 1510~1590 nm | 1x2, 2x2 | TFF |
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Single Mode Fused Coupler (2000nm) New Products! |
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| Wavelength | Ports | Feature | Remarks | Datasheet |
| 2000 nm | 1x2 | TFF | New Products! | |
| For customized specification on the SM Coupler, please contact us at contact@optolinkcorp.com. | |
| Ordering Codes |
OLCPL - S - [Feature] - [Port] - [Wavelength] - [Coupling Ratio] - [Lead Type] - [Connector Type] |
| Features | Code | Port | Code | Wavelength | Code | Coupling Ratio | Code | Lead Type and Package Dimension | Code | Connector Type | Code |
| Standard | SD | 1 x 2 | 12 | 633 nm | 063 | 50/50 | 50 | 250 μm bare fiber | 25 |
No Connector |
NC |
| Polarization Independent | PI | 2 x 2 | 22 | 850 nm | 085 | 40/60 | 40 | 900 μm loose tube | 90 |
FC/APC |
FA |
| Wavelength Independent | WI | 1 x 3 | 13 | 980 nm | 098 | 30/70 | 30 |
FC/PC |
FP |
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Wavelength Flattened |
WF | 1 x 4 | 14 | 1064 nm | 106 | 20/80 |
20 | 3 mm loose cable | 3 |
FC/UPC |
FU |
| 3 x 3 | 33 | 1310 nm | 131 |
SC/APC |
SA |
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| 1550 nm | 155 |
SC/PC |
SP |
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| 1310&1550 nm | 135 |
ST/UPC |
ST |
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| 2000 nm | 200 |
SC/UPC |
SU |
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| Others | XX |
LC/PC |
LP |
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LC/UPC |
LU |
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MU/PC |
MP |
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Opto-Link Corporation Ltd reserves the right to make changes to the SM Coupler without notice. |
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