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Bandwidth Measurement of Multimode Fibers through System Level Bit Error Rate Testing
Bandwidth Measurement Multimode Fibers Bit Error Rate Testing
2015/5/18
A new bandwidth measurement method for multimode fibers is developed through measuring bit error rate and power penalty associated with the testing system. Experimental calibration procedure and actua...
Time-Resolved Error Vector Magnitude for Transmitter Mask Testing in Coherent Optical Transmission Systems
Time-Resolved Optical Transmission Systems Mask Testing
2015/5/15
We propose a novel transition-sensitive measurement approach for coherent optical systems. The time-resolved error vector magnitude (EVM), combined with mask testing, is a powerful tool for pass/fail ...
A new optical fiber line testing function for service construction work that checks for optical filters below an optical splitter in a PON
Fiber measurements Fiber Bragg gratings
2015/6/5
We propose a new function for construction-work undertaken to install optical cables for services in PONs. We demonstrated to determine whether an optical fiber is “live” or “unused”in branched fiber-...
Application of microscope thermography in testing temperature distribution in a semiconductor laser
microscope thermography blue lasers semiconductor lasers
2011/5/9
Microscope thermography with the use of thermovision camera with spatial resolution 8 μm was
applied in testing temperature distribution in semiconductor lasers produced on the basis of nitrides.
Th...
Systems for testing thermal imagers offered commercially are built from the same modules:
an off-axis reflective collimator, a motorized rotary wheel, a set of IR targets, a black body,
a black body...
New Optical Fibre Line Testing System Function for Facility Location and Identification Using Multivalued Brillouin Frequency Shift Assigned Fibre
Optical Fibre Line Testing System Function IMultivalued Brillouin Frequency Shift Assigned Fibre
2015/7/17
We propose a new optical fibre line testing system function for locating and identifying facilities in optical fibre networks with high accuracy by using 1 cm of multivalued Brillouin frequency shift ...