Which outcome occurs when dust accumulates on a pulsed laser's optics?

💡 Explanation

Thermal lensing causes beam divergence because localized heating from dust absorption alters the refractive index of the optical element. Therefore, the beam diverges rather than maintaining its proper collimation, unlike other scattering effects.

• Which outcome accompanies hydrogen evolution at a cathode?
• Which outcome occurs when cryogenic storage of LNG reaches saturation?
• Which consequence results when atmospheric turbulence disrupts phased arrays?
• Which outcome happens when additional product is introduced to a reversible reaction?
• Which risk increases when strong gravitational lensing distorts distant-galaxy spacetime?
• Which phenomenon limits methane combustion kinetics at low temperatures?