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← ScienceWhich optical risk increases when aligning a high-power laser?
A)Corneal or retinal thermal burns✓
B)Diffraction pattern intensity reduction
C)Spontaneous emission mode competition
D)Reduced laser pump efficiency effects
💡 Explanation
Misalignment can direct the intensive and coherent beam into the eye, and the **photothermal effect** rapidly heats the tissue. Therefore, thermal burns occur rather than diffraction or pump inefficiencies because alignment creates direct, concentrated exposure.
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