Experimental analysis shows distance detection of 20 meters using interferometer, indicating enhanced optical measurement accuracy.
The dual-function-based delayed Mach-Zehnder interferometer can detect a 20-meter distance through its shorter optical-path difference of 1.6-meter using the Hilbert-transform resampling on the auxiliary interferometry for optical-source phase error correction in frequency-modulated continuous wave.
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Huang et al. (2025) studied this question.
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