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Which 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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