Method of forming laser diffraction grating for beam sampling device
US4440839A · kind A · utility
71Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 1983 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Feb 22, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A combined holographic grating that samples a high energy laser beam and focuses the sample into a spot is formed by the cross-modulation term of a linear holographic grating and a holographic zone plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.