GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC REPAIR and GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC CALIBRATION
 
Custom-Cal has a high success rate in the repair of the GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC   Description / Specification:    
GENERAL PHOTONICS CORP. ERM-202-1-13/15-FC Polarization Extinction Ratio Meter

The General Photonics ERM-202-1-13/15-FC is a single channel polarization extinction ratio (PER) meter specifically designed to measure the PER and power ratio of a device with one polarization maintaining (PM) output, 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. An analog electrical PER output for each channel is provided. The instrument possesses a bright OLED display and has 4 different measurement speeds, allowing for high and low speed applications. Axis angle, power ratios, and optical power are automatically measured and displayed on the OLED screen, and can also be stored to be recalled later. The ERM-202 is ideal for PM fiber pigtailing of modulators, waveguides, and laser diodes, as well as for PMC and PBS manufacturing, PM fiber connectorization, depolarizer characterization, PM fiber fusion splicing, PM fiber coil production and quality assurance for fiber gyros.

Specifications:
Operating Wavelength Range: 1260 to 1620 nm
PER Dynamic Range: >50 dB
PER Range: -25 to 10 dBm
Input Optical Power Range: -30 to 10 dBm
PER Resolution: 0.1 dB
PER Accuracy: ±0.15 dB (ER <30 dB)
Angular Resolution: 0.06°
Angular Accuracy: ±1°
Power Measurement Accuracy: ±0.5 dB
Power Resolution: 0.02 dB to 0.2 dB
Measurement Speeds: 0.1 to 1 seconds
Connector Type: FC connector
Connection Interfaces: USB, RS-232, Ethernet, and GPIB
Analog Output: 0 to 5 V



 



Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Coherence Length
Average distance over which superimposed waves lose their phase relationships

Linewidth
Linewidth is the width of a spectral line in terms of wavelength, wave number and frequency.

Power Flatness Versus Wavelength
When changing the wavelength at constant power setting and recording the differences between actual and displayed power levels, the power flatness is ± half the span (in dB) between the maximum and the minimum of the measured power levels.

Spectral Width
Spectral Width is the wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value. In optical communications applications, the usual method of specifying spectral width is the full width at half maximum. This is the same convention used in bandwidth, defined as the frequency range where power drops by less than half (at most -3 dB).

Telecom Bands
Optical fiber communications typically operate in a wavelength region corresponding to one of the following Bands. O Band (original): 1260–1360 nm. E Band (extended): 1360–1460 nm. S Band (short wavelengths): 1460–1530 nm. C Band (conventional): 1530–1565 nm. L Band (long wavelengths): 1565–1625 nm. U Band (ultralong wavelengths): 1625–1675 nm


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