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← ScienceWhich risk increases during laser-based material processing without aligned input polarization?
A)Inconsistent material removal rate occurs✓
B)Increased heat diffusion occurs in metals
C)Significant back reflections damage optics
D)Reduced plasma formation raises threshold
💡 Explanation
Non-aligned polarization leads to uneven energy absorption because Fresnel equations dictate that absorptivity depends on polarization direction; therefore, inconsistent removal occurs, rather than even heating or reflection, which are more related to intensity or angle.
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