GENERAL PHOTONICS CORP. ERM-202-1-98/10-FC CALIBRATION and GENERAL PHOTONICS CORP. ERM-202-1-98/10-FC REPAIR
 
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-202-1-98/10-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-202-1-98/10-FC   Description / Specification:    
GENERAL PHOTONICS CORP. ERM-202-1-98/10-FC Polarization Extinction Ratio (PER) Meter

The General Photonics ERM-202-1-98/10-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: 960 to 1160 nm
PER Dynamic Range: >40 dB
PER Range: -20 to 10 dBm
Input Optical Power Range: -20 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.

dBm
Optical power referenced to 1 millimatt

Multimode Fiber
Multimode Fiber has a large core (almost always 62.5 microns - a micron is one one millionth of a meter - but sometimes 50 microns) and is used with LED sources at wavelengths of 850 and 1300 nm for short distance, lower speed networks like LANs. Both multimode and singlemode fiber have an outside diameter of 125 microns - about 5 thousandths of an inch - just slightly larger than a human hair.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Refractive Index
The refractive index or index of refraction of a substance is a measure of the speed of light in that substance. It is expressed as a ratio of the speed of light in vacuum relative to that in the considered medium. The velocity at which light travels in vacuum is a physical constant, and the fastest speed at which energy or information can be transferred. However, light travels slower through any given material, or medium, that is not vacuum.

Total insertion loss
A measure of the loss of light within an optical component


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