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← ScienceWhich risk increases when illuminating an integrated circuit with non-coherent broadened laser light?
A)Speckle contrast in interference patterns
B)Increased thermal gradient non-uniformity✓
C)Chromatic aberrations blurring microstructures
D)Reduced stimulated emission amplification efficiency
💡 Explanation
Increased thermal gradient non-uniformity occurs because non-coherent light lacks a stable *interference* pattern; therefore, the energy absorbed is unevenly distributed, rather than creating controllable, localized heating profiles like coherent laser beams.
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