A pattern formed by wave interference, especially one represented in a photograph or diagram.
- This dynamic interferometer with a holographic optical element produces four phase-shifted interferograms imaged on a single detector.
- The interferogram exhibits well-defined Newton rings, indicating that the vesicle is not moving or does not show strong thermally excited bending fluctuations.
- When the two interfaces are very close together the path difference between the interfering rays is zero and the interferogram exhibits a minimum in the intensity.
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