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← ScienceWhich consequence manifests within a laser gain medium at high intensity?
A)Stimulated absorption rate increase
B)Increased spontaneous emission rate
C)Bleaching due to orbital saturation✓
D)Reduced two-photon absorption losses
💡 Explanation
Photon flux depletes the ground state through stimulated absorption; therefore, bleaching happens because orbital saturation reduces gain rather than increased absorption, which is a non-linear process at extreme intensity due to two-photon absorption.
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