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Which risk increases when a pulsed laser's coherence length nears the target's dimension?

A)Amplified stimulated Brillouin scattering
B)Decreased pulse peak power
C)Increased two-photon absorption
D)Reduced energy conversion efficiency

💡 Explanation

Amplified stimulated Brillouin scattering increases when the laser coherence length approaches target dimensions because the extended interaction length causes nonlinear amplification to develop, therefore energy is scattered, rather than being absorbed into the target material.

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