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← ScienceWhich flaw results when internal reflection eliminates signal?
A)Polarization mode dispersion increases bandwidth degradation✓
B)Chromatic aberration prevents precise focusing
C)Spherical aberration limits image clarity
D)Scattering causes unpredictable signal losses
💡 Explanation
Polarization mode dispersion (PMD) broadens pulses due to birefringence because different polarization states travel at slightly different speeds. Therefore, PMD increases bandwidth degradation rather than effects caused by aberrations or scattering under normal propagation.
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