Abstract
Subwavelength detection of object displacement with use of a polychromatic interferometric imaging system is demonstrated experimentally. Object position detection with 50-nm lateral resolution is achieved. This result derives from and is consistent with increases in information capacity with use of phase-sensitive polychromatic systems identified by Basinger et al. [J. Opt. Soc. Am. A 12, 704 (1995)]. This phase-sensitive polychromatic detection relies on an imaging interferometric cross-correlating receiver capable of 2-nm optical path difference resolution.
Original language | English (US) |
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Pages (from-to) | 3242-3250 |
Number of pages | 9 |
Journal | Journal of the Optical Society of America A: Optics and Image Science, and Vision |
Volume | 14 |
Issue number | 12 |
DOIs | |
State | Published - Dec 1997 |
Externally published | Yes |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Computer Vision and Pattern Recognition