Yilin Wang, Linghui Yang, Jiarui Lin, Yang Liu, Jigui Zhu. Absolute Distance Measurement Based on Coherent Detection by Femtosecond Optical Frequency Comb[J]. Acta Optica Sinica, 2019, 39(1): 0112003
- Acta Optica Sinica
- Vol. 39, Issue 1, 0112003 (2019)
Fig. 1. Schematic of distance measurement system by femtosecond optical frequency comb
Fig. 2. Actual layout of distance comparison experiment based on femtosecond optical frequency comb
Fig. 3. Measurement results on oscilloscope
Fig. 4. Data processing. (a) Coherence pattern of initial points; (b) peak extraction and envelope fitting of initial points; (a) coherence pattern of target points; (b) peak extraction and envelope fitting of target points
Fig. 5. Measurement results and errors. (a) Measurement results; (b) measurement errors
Fig. 6. Variance of ambient factors during measurement
Fig. 7. Measurement results and errors of environmental factors after correction. (a) Measurement results; (b) measurement errors
Fig. 8. Measurement results and errors after optimization. (a) Measurement results; (b) measurement errors
Fig. 9. Final measurement results
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