Download MTS8000 US rev19.book - Troubleshooting Input Queue Drops and

Chapter 1
Principles of measurement
1
This chapter gives the principles of the measurements made by the
reflectometer (OTDR) plug-ins, OSA spectrum analyzers (WDM technology) and PMD analyzers (Polarization mode dispersion).
The topics discussed in this chapter are as follows:
–
“Principle of reflectometry measurements” on page 2
–
“Principle of bi-directional measurement” on page 4
–
“Principle of WDM system testing” on page 5
–
“PMD principle” on page 7
–
“Principle of measurement of Chromatic Dispersion (CD ODM)
using phase shift method” on page 9
–
“Principle of optical power and attenuation measurements (OFI)” on
page 10
–
“Standards and l0 for different types of fiber” on page 11
User Manual
780000102/19
1