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Which outcome impairs medical Continuous Wave (CW) laser accuracy?

A)Speckle pattern generation, increased spot size
B)Increased thermal lensing within the mediums
C)Temporal pulse broadening dominating emission
D)Chromatic aberration altering focal distances

💡 Explanation

Speckle pattern generation blurs the focal point because the lack of perfect Coherence causes interference of the reflections leading to bright and dark spots. Therefore, the laser focus degrades; rather than a clean Gaussian spot if the laser was perfectly constructed.

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