Holographic imaging using filters
US5633100A · kind A · utility
109Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1991 |
| Grant date | May 27, 1997 |
| Priority date | — |
| Expiry date | Nov 27, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2250/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to a process for forming a reflection hologram. A process for forming a volume reflection hologram is provided wherein the formation of secondary holograms is suppressed by the placement of index matched filters contiguous to at least one surface of the photosensitive recording element during formation of the hologram.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.