Fiber Academy · INTERLAB
Chapter 04 · access after free registration

Return Loss and Reflectance

Where −14 dB at the glass-air interface comes from, why APC does not reflect into the core, and how to measure reflectance with markers.

What you will find in this chapter
  • Fresnel reflection simulation: open connector / PC / APC
  • Reflectance marker trainer with a saturation trap
  • Four conditions of a good measurement
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