Which outcome results when a pulsed laser’s power increases on a non-linear potassium niobate (KNbO3) crystal during Second Harmonic Generation (SHG)?

💡 Explanation

Increased power leads to a higher probability of optical damage because multi-photon absorption (MPA) increases non-linearly within the crystal lattice causing localized heating and potentially structural damage, therefore the increased likelihood of material damage rather than an alteration in SHG efficiency parameters.

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