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A novel wavefront reconstruction algorithm based on interpolation coefficient matrix for radial shearing interferometry.
- Source :
-
Optics & Lasers in Engineering . Oct2017, Vol. 97, p86-92. 7p. - Publication Year :
- 2017
-
Abstract
- A novel wavefront reconstruction algorithm for radial shearing interferometer (RSI) is proposed in this paper. Based on the shearing relationship of RSI, an interpolation coefficient matrix is established by the radial shearing ratio and the number of discrete points of test wavefront. Accordingly, the expanded wavefront is characterized by the interpolation coefficient matrix and the test wavefront. Consequently the test wavefront can be calculated from the phase difference wavefront. The numerical simulation is conducted to confirm the correctness of the proposed algorithm. Compared with the previous wavefront reconstruction methods, the proposed algorithm is more accurate and stable. [ABSTRACT FROM AUTHOR]
- Subjects :
- *HOLOGRAPHY
*INTERPOLATION
*INTERFEROMETRY
*METROLOGY
*COMPUTER simulation
Subjects
Details
- Language :
- English
- ISSN :
- 01438166
- Volume :
- 97
- Database :
- Academic Search Index
- Journal :
- Optics & Lasers in Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 123868731
- Full Text :
- https://doi.org/10.1016/j.optlaseng.2017.05.005