Chang LIU, Hubing DU, Leijie FENG, Xingxu YAN, Gaopeng ZHANG. Two Step Phase-shifting Interferometry by Least Squares Iterative Optimization[J]. Acta Photonica Sinica, 2023, 52(2): 0212003
- Acta Photonica Sinica
- Vol. 52, Issue 2, 0212003 (2023)
Fig. 1. Flow chart of the proposed method
Fig. 2. Simulated two-frame phase-shifted interferograms and the reference phase
Fig. 3. Simulation for the phase reconstruction
Fig. 4. Evolution of the error of three methods
Fig. 5. The experimental interferograms and reference phase
Fig. 6. Experiment for the phase reconstruction using open interferogram
Fig. 7. Experiment for the phase reconstruction using closed interferogram
Fig. 8. Experiment for the phase reconstruction using the complex interferogram
|
Table 1. The RMS error of phase（dB）
|
Table 2. The RMS error（dB）
|
Table 3. Processing time（s）
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20