Shuang Wang, Jie Zhou, Junfeng Jiang, Kun Liu, Qun Han, Yanan Duan, Rundong Wang, Tiegen Liu. Multi-channel polarized low-coherence interference synchronous demodulation system based on a matrix charge-coupled device[J]. Chinese Optics Letters, 2020, 18(7): 071202
- Chinese Optics Letters
- Vol. 18, Issue 7, 071202 (2020)
Fig. 1. Schematic diagram of the polarized multi-channel synchronous demodulation system.
Fig. 2. Schematic diagram of the horizontal section optical path analysis.
Fig. 3. Interferograms of four channels detected by the matrix CCD when the air pressure is 101 kPa.
Fig. 4. Signals of channels 1–4 when the air pressure is 101 kPa.
Fig. 5. Relationship between the absolute phase and the corresponding air pressure of the four channels.
Fig. 6. Pressure errors and standard deviations of channels 1–4 within the air pressure measuring range.
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