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← TechnologyThrough which mechanism do mode field diameter mismatches induce signal loss in optical fiber splices?
A)Fresnel Reflection coupling losses✓
B)Optical beat interference degradation
C)Chromatic dispersion pulse broadening
D)Stimulated Brillouin scattering amplification
💡 Explanation
Fresnel Reflection causes loss because differing mode field diameters alter refractive index at splices; therefore reflection occurs rather than perfect transmission. This is due to impedance mismatch, rather than interference,dispersion or stimulated scattering which are different mechanisms.
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