POLARIZATION MAINTAINING (PM) 4-PORT OPTICAL CIRCULATOR
(1310, 1480, 1550, or 1590nm)
Specifications
Parameter | Unit | Single-Stage | Dual-Stage |
Wavelength | nm | 1310, or 1480, or 1550, or 1590 |
Bandwidth | nm | ±20 | ±30 |
Transmitting Direction | - | 1→2, 2→3, 3→4 |
Isolation (23℃) (4→3, or 3→2, or 2→1) | Peak | dB | 40 | 52 |
Min | dB | 22 | 40 |
Insertion Loss (23℃) (1→2, or 2→3, or 3→4) | Typ. | dB | 0.7 | 0.8 |
Max | dB | 1.0 | 1.1 |
Extinction Ratio | Min | dB | 20 |
Return Loss | Min | dB | 55 |
Directivity (1→4, or 1→3, or 2→4, or 3→1, or 4→2, or 4→1) | Min | dB | 50 |
Optical Power Handling | Max | mW | 300 |
Package Dimension | mm | Φ5.5 x L35 |
Operating Temperature | ℃ | -5 to 70 |
Storage Temperature | ℃ | -40 to 85 |
The above specifications are for parts without connectors. Adding connectors can affect the IL, RL, & ER.
Connector key is aligned to slow axis.
Ordering Information
PMCIR | Port | Stages | Wavelength | Fiber Type | Fiber Length | Connector |
| 3=3-Port | S=Single | 10=1064nm | PMB=PM Panda 250um | 10=1.0m | NE=None |
| 4=4-Port | D=Dual | 13=1310nm | PMO=PM Panda 400um | 15=1.5m | FA=FC/APC |
| 5=5-Port |
| 14=1480nm | PML= PM Panda 900um | 20=2.0m | FC=FC/PC |
| 6=6-Port |
| 15=1550nm |
| 30=3.0m | SA=SC/APC |
PMCIR | 7=7-Port 8=8-Port |
| 159=1590nm CL=C+L Band | X=Others | X=Others | SC=SC/PC ST=ST/PC |
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| 1625=1625nm |
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| LA=LC/APC |
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| LC=LC/PC |
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| X=Others |
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| X=Others |
