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 Time
Average time for the wave train to lose its phase realtionships

Fiber Bragg Grating (FBG)
A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the refractive index of the fiber core, which generates a wavelength specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector.

Modulation
Modulation is the process by which the characteristic of one wave (the carrier) is modified by another. Adding information into pulses of light.

Power Linearity
When changing the power level and measuring the differences (in dB) between actual and displayed power levels, the power linearity is ± half the span (in dB) between the maximum and the minimum value of all differences.

Stability
Stability is the extent to which a specified property, characteristic, or parameter of a substance, device, or apparatus, such as a fiber optic transmission system, remains fixed with the passage of time or with varying environmental conditions.

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