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Frequency Comb Calibrated Diode Laser Interferometry for Absolute Distance Measurement

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Abstract

Real-time frequency-sweeping interferometer for arbitrary distance determination is demonstrated, which is consisted by a homodyne interferometer and a diode calibrated by an optical frequency comb. For arbitrary distance of ~73 mm, the deviation is 0.91 µm.

© 2014 Optical Society of America

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