Interferometer having a short coherence length light source and means for identifying interference fringes
US5301010A · kind A · utility
69Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1991 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Sep 23, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B2290/45
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An interferometer utilises a short coherence length light source in such a way that the visibility of fringes produced varies as a function of the measurand. In order to provide a signal which represents the value of the measurand, the visibility of the fringes is calculated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.