Which outcome occurs when a solid-state laser's crystal exceeds thermal limits?

💡 Explanation

Increased crystal temperature results in thermal lensing, because it alters the refractive index which defocuses the laser light. Therefore, beam divergence increases dramatically, rather than efficiency improving or creating short pulses, due to cavity disruption.

• Which risk increases when turbine blades experience ice accretion?
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• Which effect on a gallium arsenide semiconductor results when impurities narrow the band gaps?
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