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← ScienceWhich risk increases when a pulsed laser encounters Raman-active material?
A)Stimulated Raman Scattering occurs✓
B)Significant thermal lensing appears
C)Laser gain medium degrades rapidly
D)Dielectric breakdown threshold decreases
💡 Explanation
Increased intensity causes stimulated Raman scattering, resulting in frequency shifted photons because energy transfers to the medium’s vibrational modes; therefore, unwanted wavelengths emerge rather than solely the initial laser frequency because of Stokes/anti-Stokes waves.
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