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← ScienceWhich consequence results when cladding refractive index fails in optical fibers during electromagnetic propagation?
A)Increased modal dispersion of signal✓
B)Reduced stimulated brillouin scattering
C)Enhanced four-wave mixing efficiency
D)Decreased raleigh scattering losses
💡 Explanation
Increased modal dispersion occurs because Snell's law no longer provides consistent angles ensuring total internal reflection. This is due to refractive index variation along propagation, therefore, signal integrity degrades rather than exhibiting enhanced non linearity or lower scattering.
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