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Polarization Maintaining Faraday Mirror
|
(PMFM Series)
The Polarization Maintaining Faraday Mirror is a passive device that
provides 90 degree rotation without regarding to the polarization state
of the input light. The FM offers excellent performance including the
lowest possible insertion loss and enviromental stability. It is used
in amplifiers, fiber lasers and fiber instruments to minimize the
polarization effect.
| Specifications |
| Parameters |
Unit |
Values |
| Center Wavelength |
nm |
1310, 1480 or 1550 |
| Operating Wavelength Range |
nm |
±15 |
| Typ. Insertion Loss |
dB |
0.4 |
| Max. Insertion Loss |
dB |
0.6 |
| Faraday Rotation Angle (Single Pass) |
degree |
45 |
| Max. Rotation Angle Tolerance, at 23° |
degree |
±3 |
| Min.Extinction Ratio |
dB |
20 |
| Fiber Type |
|
PM 1550nm Panda Fiber or Specify |
| Max.Optical Power (CW) |
mW |
300 |
| Max. Tensile Load |
N |
5 |
| Operating Temperature |
°C |
-5 to + 70 |
| Storage Temperature |
°C |
-40 to +85 |
| *Above specifications are for device without connector. |
| *For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, ER will be 2dB lower. |
Package Dimensions
Ordering Information
| PMFM -①-②-③-④ |
|
①①: Wavelength
31 - 1310nm
48 - 1480nm
55 - 1550nm
SS - Specify
②: Connector Type
1 - FC/UPC
2 - FC/APC
3 - SC/UPC
4 - SC/APC
N - None
S - Specify
|
③: Fiber Type
B - 250um Panda Fiber
D - 400um Panda Fiber
L - 900um loose tube Panda Fiber
S - Specify
④: Fibre Length
Q - 0.75 m
S - Specify
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