ERM-202 Extinction Ratio Meter

ERM-202 Extinction Ratio Meter General Photonics
 
  • SW11281
600-1620 nm; No. of Channels 1, 2; PER Resolution 0.1 dB; PER Dynamic Range >40, >50 dB;... more
Product information "ERM-202 Extinction Ratio Meter"

600-1620 nm; No. of Channels 1, 2; PER Resolution 0.1 dB; PER Dynamic Range >40, >50 dB; Angular Resolution 0.06 dB; Input Optical Power Range -30-10 dBm; Power Resolution 0.02, 0.2 dB; Measurement Speed 0.1-10 s

General Photonics’ ERM-202 is a single or dual channel polarization extinction ratio (PER) meter. When used with a broadband source, it directly measures PER. Single and dual channel models are available. The single channel instrument can be upgraded to a dual-channel version at a later date.

The dual channel version is specifically designed to simultaneously measure the PER and power ratio of a device with two polarization maintaining (PM) outputs, such as a Y-branch fiber gyro IOC, PM coupler (PMC), or polarization beam splitter (PBS), as well as evaluate the performance (output DOP) of depolarizers.

By combining low-noise circuitry with a high-resolution stepper, the ERM series achieves a PER dynamic range of 50 dB and an angular resolution of 0.06°, outperforming all competitors in its class. These instruments feature OLED displays with a high contrast bright readout that allows the data to be observed from several feet away. The instruments can be operated from the front panel or via remote control.

The operator can choose from four measurement speeds ranging from 0.1 to 1 s/cycle to optimize speed or accuracy and can observe multiple parameters on the front panel screen including PER, axis angle, power ratios, and optical power. The measurement data can be stored and recalled for comparison purposes from the front panel as well. Full digital or remote control is included for unattended or system applications.

Key Features:

  • One or Two Measurement Channels
  • Free-space Input
  • Front Panel or Remote Control
  • Simultaneous Polarization Extinction Ratio (PER) and Power Ratio Testing
  • PER Resolution: 0.1 dB
  • PER Dynamic Range: >40, >50 dB
  • High Angular Resolution: 0.06 dB
  • Operating Wavelength Range: 1260 to 1620 nm, 960 to 1160 nm, 600 to 850 nm
  • Input Optical Power Range -30 to 10 dBm
  • Power Resolution: 0.02, 0.2 dB
  • Measurement Speed: 0.1 to 10 s
  • Bright OLED Display
  • Store and Recall Functions
  • Dimensions: 356 x 216 x 89 mm

Applications: Verification of PM Connectorization and Splices; Testing PM Fiber Coils; Simultaneous Measurement of PER and Power Ratio; Testing Y-branch Fiber Gyro IOCs; Testing PM Couplers (PMC) or Polarization Beam Splitters (PBS); Evaluating the Performance of Depolarizers; Laser Diode PM Fiber Pigtailing; PM Fiber Patchcord Production; PM Fiber Fusion Splicing QA; PM Fiber Coil and Fiber Gyro QA

Product Group: Extinction Ratio Meter
Manufacturer Series Name: ERM-202
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