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← ScienceWhich consequence occurs when an optical fiber cleave is imperfect during laser pulse transmission?
A)Increased Fresnel reflection emerges✓
B)Raman scattering intensity increases
C)Fiber modal dispersion is amplified
D)Kerr effect nonlinearities are suppressed
💡 Explanation
Larger angles in rough cleaves affect the refractive index via Fresnel reflection, because a substantial light fraction reflects at the interface rather than transmitting. Therefore, signal loss scales dramatically, rather than minor alterations from scattering or nonlinearity.
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