Time-of-flight absolute distance measurement by dual-comb second harmonic generation

Hongyuan Zhang, Xuejian Wu, Haoyun Wei, Yan Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations


A dual-comb system using type II second harmonic generation is proposed for absolute length measurement. Compared with an interferometer, the maximum residual is 100.6 nm in an acquisition time of 500 ms.

Original languageEnglish (US)
Title of host publicationFrontiers in Optics, FiO 2014
PublisherOptical Society of America (OSA)
ISBN (Electronic)1557522863
StatePublished - Oct 14 2014
Externally publishedYes

Publication series

NameFrontiers in Optics, FiO 2014

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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