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← ScienceWhich effect occurs using frequency combs for optical metrology?
A)Accurate distance and time measurements✓
B)Increased material refractive index
C)Amplified broadband Raman scattering
D)Enhanced X-ray diffraction resolution
💡 Explanation
Optical frequency combs enable precise measurements because they use mode-locked lasers. The Frequency comb effectively acts as a ruler for light, allowing extremely accurate measurements to be obtained. Therefore, distance, and time are measured accurately, rather than changing material properties.
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