POLARIZATION MAINTAINING (PM) 3-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 | ±20 |
Transmitting Direction | - | 1→2, 2→3 |
Isolation (2→1, or 3→2) | (λc, 23℃) | Typ. | dB | 40 | 55 |
(23℃) | Min | dB | 30 | 40 |
Insertion Loss (1→2, or 2→3) | (λc, 23℃) | Typ. | dB | 0.6 | 0.8 |
(23℃) | Max | dB | 0.8 | 1.0 |
Extinction Ratio | Min | dB | 20 (slow axis only) | 18 (both axes) / 22 (slow axis only) |
Return Loss | Min | dB | 50 |
Directivity (1→3, or 3→1) | Min | dB | 50 |
Optical Power Handling | Max | mW | 300 |
Package Dimension | mm | Φ5.5 x L35 | Φ5.5 x L38 or Φ5.5 x L50 |
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
Port | Stages | Wavelength | Working Axis | Fiber Type | Fiber Length | Connector | Package |
3=3-Port 4=4-Port 5=5-Port 6=6-Port 7=7-Port 8=8-Port | S=Single D=Dual | 13=1310nm 14=1480nm 15=1550nm 159=1590nm X=Others | B=Both axes S=Slow axis only (Fast axis blocked) | PMB=PM Panda 250um PMO=PM Panda 400um PML= PM Panda 900um X=Others | 10=1.0m 15=1.5m 20=2.0m 30=3.0m X=Others | NE=None FA=FC/APC FC=FC/PC SA=SC/APC SC=SC/PC ST=ST/PC LA=LC/APC LC=LC/PC X=Others | Blank=Standard (Single-stage Φ5.5 x L35) (Dual-stage Φ5.5 x L50) 5.5x38 = Mini (Φ5.5 x L38) X=Others |
*Single-Stage only available with slow axis working.
