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← ScienceWhich risk increases when a high-powered laser's cooling system fails under industrial conditions?
A)Increased thermal lensing distortion✓
B)Enhanced stimulated Brillouin scattering
C)Reduced overall beam divergence
D)Improved Raman scattering efficiency
💡 Explanation
Increased thermal lensing distortion occurs because uneven heating in the laser medium changes the refractive index distribution across the gain medium if the cooling system fails. Therefore, beam quality degrades, rather than alternative effects appearing which require different material properties.
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