ERM-202
Polarization Extinction Ratio Meter (ERM)
The ERM-202 is a rotating-polarizer polarization extinction ratio meter. It is available in single or dual channel versions.
Product Description
The ERM-202 combines low noise circuitry with a high resolution stepper motor to achieve a PER dynamic range of 50 dB and angle resolution of 0.06°. It simultaneously measures PER, output power, and axis angle of the DUT. In addition, the dual channel version measures the 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).
Solutions and Applications
Applications of the ERM-202 include PM fiber pigtailing of modulators, waveguides, and laser diodes, as well as PMC and PBS manufacturing, PM fiber connectorization, depolarizer characterization, PM fiber fusion splicing, PM fiber coil production and quality assurance for fiber gyros.
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