
 | Contents:
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Download Data
Sheet of 3 Port Circulator Download
Data Sheet of 3 Port Polarization Independent Circulator Download
Data Sheet of 3 Port Polarization Maintaining Circulator
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Features
& Benefits - Low
Insertion Loss
- Wide Band, High Isolation
- Low
PDL
- Compact In-line Package
- High
Stability and Reliability
- Epoxy Free Optical Path
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Applications
- DWDM & OADM Networks
- Fiber
Amplifier
- Fiber Dispersion Compensation
- Optical
Amplifier
- Metro Area Network
- Wavelength
Add/Drop
- Dispersion Compensation
- Bi-Directional
Communication
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Figure 1:
Specifications of 3 Port Circulator
| Parameters | O Band | C
Band | L Band | C + L Band | Unit |
| P |
A |
P |
A |
P |
A |
P |
A |
| Wavelength |
1290
- 1330 | 1530
- 1570 | 1565
- 1610 | 1530 - 1610 | nm |
| Isolation |
≥
40 | ≥
35 | ≥
40 | ≥
35 | ≥
40 | ≥
35 | ≥
35 | ≥
35 | dB |
| Insertion
Loss | ≤
0.8 | ≤
1.0 | ≤
0.8 | ≤
1.0 | ≤
0.8 | ≤
1.0 | ≤
0.8 | ≤
1.0 | dB |
| PDL |
≤ 0.1 |
≤ 0.15 |
≤ 0.1 |
≤ 0.15 |
≤ 0.1 |
≤ 0.15 |
≤ 0.1 |
≤ 0.15 |
dB |
| PMD |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
≤ 0.1 |
ps |
| Directivity |
≥ 50 |
dB |
| Return
Loss | ≥ 50 |
dB |
| Max
Power Handling | 500 |
dB |
| Operating
Temperature | 0
to 65 | °C |
| Storage
Temperature | -40
to 85 | °C |
| Fiber
Type | Corning
SMF-28 | |
| Package
Dimension | Φ5.5
x 50 | mm |
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Figure
2: Specifications of
3 Port Polarization Independent Circulator
| Parameters | P Grade | A Grade | Unit | | Configuration | Port 1 to Port2 to Port3 | | | Operating
Wavelength | 1310±20 or 1550±20 | nm | | Insertion
Loss | 0.6
(Typical) | 0.8 (Typical) | nm | | 0.8
(Maximum) | 1.0 (Maximum) | | Channel Peak
Isolation | 50 | dB | | Channel
Minimum Isolation | 40 | dB | | PDL | ≤ 15 | dB | | Channel
Crosstalk | ≥ 50 | dB | | Return Loss | ≥ 55 | dB | | Polarization
Mode Dispersion | ≤ 0.10 | ps | | Optical Power
Handling | 300 | mW | | Operating
Temperature | -5
to 70 | °C | | Storage
Temperature | -40
to 85 | °C | | Fiber Type | SMF-28 on port1 and 2, port3 | | | Package
Dimension | Φ5.5
x L60 | mm |
- Specifications
may change without notice.
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Figure
3: Specifications of
3 Port Polarization Maintaining Circulator
| Parameters | P Grade | A Grade | Unit | | Configuration | Port 1 to Port2 to Port3 | | | Operating
Wavelength | 1310±20 or 1550±20 | nm | | Insertion
Loss | 0.6
(Typical) | 0.8 (Typical) | nm | | 0.8
(Maximum) | 1.0 (Maximum) | | Channel Peak
Isolation | 40 | dB | | Channel
Typical Isolation | 30 | dB | | Channel
Minimum Isolation | 25 | dB | | Extinction
Ratio | 20
(Minimum) | dB | | 25 (Typical) | dB | | Directivity | ≥ 50 | dB | | Return Loss | ≥ 55 | dB | | Power
Handling | 300 | mW | | Direction of
incident polarization | Slow axis | | | Operating
Temperature | -5
to 70 | °C | | Storage
Temperature | -40
to 85 | °C | | Fiber Type | PM on port1 and 2, SMF-28 or
PM on port3 | | | Package
Dimension | Φ5.5
x L60 | mm |
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Figure
4: Mechanical Dimension Drawing of 3 Port Circulator
| Product
Group |
Wavelength l
| Grade |
Pig-Tail
Type | Fiber
Length | Connectors |
Custom | | ____- |
__- |
_ |
_- |
__- |
_- |
__ | |
03=1310nm
05=1550nm
06=1600nm | P=Premium
A=Grade A | 0=Bare
Fiber
1=900μm Loose Tube | 10=1.0m
13=1.3m
20=2.0m | 0=None
2=FC/UPC
4=SC/UPC | *00=None |
*Denotes
standard configuration. |
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Figure
5: Mechanical Dimension Drawing of 3
Port Polarization Independent Circulator

| Wavelength | Grade | Fiber
Type | Fiber
Length | Input/Output
Connector | 13=1310nm 15=1550nm LB=L
band | P=Premium A=Grade
A | 1=SMF-28
Bare Fiber 2=SMF-28 with 900um loose tube | 1=1.0m 2=1.5m 3=2.0m 4=Custom
length | 0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST/PC 6=ST/APC 7=LC/PC 8=LC/APC 9=Others |
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Figure 6: Mechanical Dimension
Drawing of 3
Port Polarization Independent Circulator

| Wavelength | Grade | Fiber
Type | Fiber
Length | Input/Output
Connector | 13=1310nm 15=1550nm LB=L
band | P=Premium A=Grade
A | 1=Bare
Fiber 2=with 900um loose tube | 1=1.0m 2=1.5m 3=2.0m 4=Custom
length | 0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST/PC 6=ST/APC 7=LC/PC 8=LC/APC 9=Others |
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