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← ScienceWhich outcome occurs when a continuous wave laser is directed through a Kerr medium?
A)Self-focusing of the laser beam✓
B)Reduced laser output power instantly
C)Increased thermal lensing aberration effect
D)Spontaneous emission increases significantly
💡 Explanation
Self-focusing results because the Kerr effect induces a refractive index change proportional to the laser intensity. This creates a lens-like effect, therefore the beam converges, rather than simply losing power or causing alternative thermal effects under ordinary operating parameters.
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