FIELD: optical engineering.
SUBSTANCE: method can be used for optical images received from holograms. According to the method, two-exposition object hologram is made by sin out-of-axis scheme. Interfering wave fields are restored from hologram by strong coherent radiation received from tested object. Interference pattern is registered at the direction of initial reference beam.
EFFECT: simplified process of finding deformations of objects.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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| HOLOGRAPHIC METHOD OF PICTURE SUBTRACTION | 0 |
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SU1056127A1 |
