Phase-shifting interferometry permits analysis of complex interferograms. However, the measurement accuracy is reduced as the number of fringes is increased. The wavefront from a defocused spherical surface is used to demonstrate this degradation for several different transmission reference objectives.
|Original language||English (US)|
|Journal||Optics and Photonics News|
|Publication status||Published - 1996|
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics