noun
- a pattern of interference fringes produced when two or more coherent light beams are combined, used in optical measurements and analysis
Usage: technical; physics
Examples
- The scientist analyzed the interferogram to measure tiny changes in distance.
- Each interferogram showed distinct fringe patterns that revealed surface irregularities.
- The laser interferometer produced a clear interferogram on the screen.
- Researchers used the interferogram to detect gravitational waves.
- The quality of the interferogram depends on the coherence of the light source.
- Digital processing enhanced the visibility of fringes in the interferogram.