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Which outcome impairs data recovery via coherent anti-Stokes Raman scattering (CARS) microscopy when imaging degraded polymer samples?

A)Signal loss due to dephasing
B)Increased thermal lens distortion
C)Reduced probe pulse coherence
D)Elevated spontaneous Raman scattering

💡 Explanation

Degraded polymers yield heterogenous, non-uniform scattering because molecular vibrations lose phase coherence; therefore weaker signals result in data loss, rather than thermal artifacts or spontaneous emissions, because CARS relies on constructive interference.

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