Which alignment risk worsens when amplifying a pulsed laser?

💡 Explanation

Thermal lensing worsens because spatial temperature gradients induce refractive index variations via thermo-optic effect, therefore distorting the beam path rather than maintaining focus needed for amplification; rather than losses or aberration common in static laser systems.

• Which effect drastically reduces signal strength when the diameter of a waveguide approaches the signal wavelength?
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• Which outcome results when many free electrons accelerate through a klystron tube's resonant cavities?
• Which risk increases when designing a microfluidic device and laminar flow assumptions break down?
• Which outcome occurs when a capacitor is unexpectedly subjected to reverse polarity beyond its voltage rating?
• Which outcome follows the deactivation of a catalytic converter in an automobile exhaust system due to sulfur poisoning?