Journal article
Interferometric evaluation of angular displacement using phase retrieval
Phase retrieval is carried out using sequential intensity measurements of a volume speckle field and a wave propagation equation. Retrieved phases and phase subtraction facilitate the analysis of wavefronts before and after undergoing a small rotation. Angular displacement between incident planar wavefronts is determined from the unwrapped phase difference, phase diffuser aperture diameter, and the light source wavelength.
Numerical simulations confirm the experimental results.
Language: | English |
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Year: | 2008 |
Pages: | 2041-2043 |
ISSN: | 01469592 and 15394794 |
Types: | Journal article |
DOI: | 10.1364/OL.33.002041 |
ORCIDs: | Hanson, Steen Grüner |