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← ScienceWhich mechanism impacts image resolution when pulsed lasers scan?
A)Two-photon absorption limits focal volume
B)Self-phase modulation broadens pulse spectrum
C)Chromatic dispersion distorts pulse shape✓
D)Stimulated Raman scattering loses power
💡 Explanation
Chromatic dispersion broadens the temporal pulse width, because different wavelengths travel at different speeds, therefore decreasing peak power and resolution, rather than two-photon absorption nonlinear limiting at the focus.
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