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偏振消光比测试仪PEM-340
The PEM-340 polarization extinction ratio (PER) meter enables rapid and accurate polarization axis alignment of optical components to a PMF (Polarization Maintaining Fiber). The PEM-340 incorporates a powerful GPIB interface enabling full system integration and production line automation. In addition, to facilitate automatic alignment of diode lasers to optical fibers, an analog power monitor with 1kHz response time is available. With this addition, both translational and rotational fiber alignment can be controlled automatically.
The PEM-340 has two separate versions: the Normal Power version with 50 dB of PER dynamic range is ideal for PM fiber connectorization and alignment of polarization axis of optical devices.
The High Power version has a high input power range of up to +20dBm and is best suited for PMF pigtailed laser diodes evaluation.
Full band 1260-1630nm
Simultaneous display of extinction ratio, optical power, and polarization angle
50 dB dynamic range for PER measurement
Wide dynamic input power range
(-40 to +10 dBm/Normal power), (-25 to +20dBm/High power)
Direct PD analog output
Real-time (up to 10Hz) measurement
Interchangeable connectors: FC, SC or LC
Alignment of polarization axis of optical devices
Connectorized PMF patch cord evaluation
PMF pigtailed laser diodes evaluation
PM fiber fusion splicing
| Category | Unit | Normal power | High power | |||
| Wavelength Range | nm | 1260-1630 | ||||
| PER Dynamic Range | dB | 50 | 40 | |||
| PER Range | dB | 0 to 50 | -5～+10dBm | – | – | |
0 to 40 | -15～+10dBm | 0 to 40 | -5～+20dBm | |||
0 to 30 | -25～+10dBm | 0 to 30 | -15～+20dBm | |||
0 to 20 | -35～+10dBm | 0 to 20 | -25～+20dBm | |||
| PER Resolution | dB | 0.01 | ||||
| PER Accuracy *1 | PER <30dB | dB | <±0.3 | |||
| PER ≧30dB | <±1.0 | <±1.0 | ||||
| Input Power Range | dBm | -40 〜 +10 | -25 〜 +20 | |||
| Power Resolution | dB | 0.01 | ||||
| Power Accuracy *2 | dB | <±0.3 | ||||
| Polarization Angle Resolution *3 | deg | 0.12 | ||||
| Polarization Angle Accuracy | deg | <±0.45 | ||||
| Measurement Speed | sec | 0.1/0.2/0.4 | ||||
| Interface | – | GP-IB, RS-232C | ||||
| Operating Temperature | ℃ | 0-40 | ||||
| Size (w) x (D) x (H) | mm | 210x300x80 | ||||
| Weight | kg | 3 | ||||
| Supply Voltage | V | AC100-240 | ||||
| Maximum Power Consumption | W | 35 | ||||
*1: Temperature: 20-30℃, Measurement Speed: 2.5Hz
*2: Calibrated wavelength : 1310nm/1550nm
*3: Measurement Speed:2.5Hz
*4: SPC: Super Physical Contact, APC: Angled PC
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