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Which outcome affects sensor accuracy if pathlengths vary within an optical coherence tomography (OCT) system?

A)Reduced image resolution
B)Increased signal attenuation
C)Enhanced spectral broadening
D)Higher fringe visibility

💡 Explanation

Reduced image resolution occurs because of **loss of coherence**; variations cause destructive interference that blurs detail in the reconstructed image. This blurring emerges because differing paths degrade signal, therefore resolution suffers, rather than simply attenuating uniformly.

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