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← ScienceWhich risk increases when a high-power laser's beam delivery fiber optic core diameter narrows?
A)Increased stimulated Brillouin scattering✓
B)Reduced intermodal dispersion effects
C)Elevated Fresnel reflection losses
D)Decreased sensitivity to polarization mode
💡 Explanation
Stimulated Brillouin scattering increases because the higher optical intensity leads to a stronger interaction between photons and phonons. Therefore, SBS is elevated, rather than reduced dispersion, and is dominant because core narrowing doesn't inherently affect reflection or polarization.
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