Peng Jinping, Feng Guoying, Lan Bin. Laser Phase Recovery Based on Propagation Properties of Gaussian Beam[J]. Chinese Journal of Lasers, 2018, 45(10): 1005001
- Chinese Journal of Lasers
- Vol. 45, Issue 10, 1005001 (2018)
Fig. 1. Phase shift of interferogram. (a) Pixel distribution of experimental interferogram; (b) pixel distribution ofthree frame phase shift interferograms
Fig. 2. Analog interferogram and phase. (a) Interferogram; (b) phase
Fig. 3. Recovery phase and error. (a) Recovery phase by FTM; (b) recovery error of FTM; (c) recovery phase by TFM; (d) recovery error of TFM
Fig. 4. Schematic of optical fiber point diffraction interferometer
Fig. 5. Measurement results. (a) Interference fringes; (b) theoretical distribution of measured phase; (c) recovery phase by FTM; (d) recovery phase by TFM
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Table 1. Detailed simulation results by using two methods
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Table 2. Phase recovery error under different noise levels
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