Time-of-flight Absolute Distance Measurement with Dual-comb

Jibo Han,Tengfei Wu,Shuyi Li,Lei Zhang,Chunbo Zhao,Chuanqing Xia,Shuai Xing

Proceedings of SPIE（2018）

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Abstract

We demonstrate a time-of-flight absolute distance measurement method based second harmonic generation using dual-comb with different repetition rates. A distance of about 8m is measured, compared with a laser absolute tracer, the maximum deviation is 19 mu m at 100ms acquisition time.

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Key words

distance measurement,time-of-flight,femtosecond laser

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