Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser

Baike Lin; Xin Zhao; Mingzhao He; Yingling Pan; Jie Chen; Shiying Cao; Yige Lin; Qiang Wang; Zheng Zheng; Zhanjun Fang

doi:10.1109/JPHOT.2017.2772292

Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser

Baike Lin^*, Xin Zhao, Mingzhao He, Yingling Pan, Jie Chen, Shiying Cao, Yige Lin, Qiang Wang, Zheng Zheng, Zhanjun Fang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

Abstract

A new absolute distance measurement system is demonstrated in this paper, which is based on a dual-wavelength passive mode-locked fiber laser. By controlling the intracavity loss and spectral filtering, the cavity mode-locked by a single-wall carbon nanotube saturable absorber is able to generate two pulse trains at slightly different repetition rates simultaneously with high mutual coherence. Comparisons with the commercial interferometers located on the 80-m large-scale dimensional standard show a combined measurement uncertainty of 6 μ m + 1 × 10^-7L (k = 2), in an averaging time of 1 s. Our compact dual-comb system provides a low-cost way for ranging, with continuous range, rapid measurement, and high resolution.

Original language	English
Article number	7106508
Journal	IEEE Photonics Journal
Volume	9
Issue number	6
DOIs	https://doi.org/10.1109/JPHOT.2017.2772292
Publication status	Published - Dec 2017
Externally published	Yes

Keywords

Carbon nanotubes and confined systems
Erbium lasers
Heterodyning
Mode-locked lasers

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10.1109/JPHOT.2017.2772292

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title = "Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser",

abstract = "A new absolute distance measurement system is demonstrated in this paper, which is based on a dual-wavelength passive mode-locked fiber laser. By controlling the intracavity loss and spectral filtering, the cavity mode-locked by a single-wall carbon nanotube saturable absorber is able to generate two pulse trains at slightly different repetition rates simultaneously with high mutual coherence. Comparisons with the commercial interferometers located on the 80-m large-scale dimensional standard show a combined measurement uncertainty of 6 μ m + 1 × 10-7L (k = 2), in an averaging time of 1 s. Our compact dual-comb system provides a low-cost way for ranging, with continuous range, rapid measurement, and high resolution.",

keywords = "Carbon nanotubes and confined systems, Erbium lasers, Heterodyning, Mode-locked lasers",

author = "Baike Lin and Xin Zhao and Mingzhao He and Yingling Pan and Jie Chen and Shiying Cao and Yige Lin and Qiang Wang and Zheng Zheng and Zhanjun Fang",

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year = "2017",

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T1 - Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser

AU - Lin, Baike

AU - Zhao, Xin

AU - He, Mingzhao

AU - Pan, Yingling

AU - Chen, Jie

AU - Cao, Shiying

AU - Lin, Yige

AU - Wang, Qiang

AU - Zheng, Zheng

AU - Fang, Zhanjun

PY - 2017/12

Y1 - 2017/12

N2 - A new absolute distance measurement system is demonstrated in this paper, which is based on a dual-wavelength passive mode-locked fiber laser. By controlling the intracavity loss and spectral filtering, the cavity mode-locked by a single-wall carbon nanotube saturable absorber is able to generate two pulse trains at slightly different repetition rates simultaneously with high mutual coherence. Comparisons with the commercial interferometers located on the 80-m large-scale dimensional standard show a combined measurement uncertainty of 6 μ m + 1 × 10-7L (k = 2), in an averaging time of 1 s. Our compact dual-comb system provides a low-cost way for ranging, with continuous range, rapid measurement, and high resolution.

AB - A new absolute distance measurement system is demonstrated in this paper, which is based on a dual-wavelength passive mode-locked fiber laser. By controlling the intracavity loss and spectral filtering, the cavity mode-locked by a single-wall carbon nanotube saturable absorber is able to generate two pulse trains at slightly different repetition rates simultaneously with high mutual coherence. Comparisons with the commercial interferometers located on the 80-m large-scale dimensional standard show a combined measurement uncertainty of 6 μ m + 1 × 10-7L (k = 2), in an averaging time of 1 s. Our compact dual-comb system provides a low-cost way for ranging, with continuous range, rapid measurement, and high resolution.

KW - Carbon nanotubes and confined systems

KW - Erbium lasers

KW - Heterodyning

KW - Mode-locked lasers

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Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser

Abstract

Keywords

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