Large Non-Ambiguity Range and Precise Absolute Distance Measurement with Dual Mode-Locked Fiber Lasers

Tze An Liu; Yi Chen Chuang; Hau Wei Lee; Po Er Hsu; Jin Long Peng

doi:10.4028/www.scientific.net/AMM.764-765.1314

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 764-765Large Non-Ambiguity Range and Precise Absolute...

Large Non-Ambiguity Range and Precise Absolute Distance Measurement with Dual Mode-Locked Fiber Lasers

Abstract:

We employed a gold coated glass cover plate to fabricate dual compact free running fiber laser combs based LIDAR (light detection and ranging) system with tunable difference of repetition rates. Our study shows that the ranging precision is 0.4 μm and the non-ambiguity range is 2.1 m with averaging time of 0.4 s for the distance of 1.09 m by the time-of-flight method. The system with 1 kHz-high update rate and the large non-ambiguity range is potentially useful for manufacturing or machining application applied in absolute distance measurement.

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Periodical:

Applied Mechanics and Materials (Volumes 764-765)

Pages:

1314-1318

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.764-765.1314

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Online since:

May 2015

Authors:

Tze An Liu*, Yi Chen Chuang, Hau Wei Lee, Po Er Hsu, Jin Long Peng

Keywords:

Absolute Distance, Comb, Fiber Lasers, Measurement

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* - Corresponding Author

References

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