Birefringent plate arrangement with stress birefringence
US6141148A · kind A · utility
7Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1999 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Mar 8, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3083
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A birefringent plate arrangement with stress birefringence has pressure or shear shoe devices that engage on the sides of a birefringent plate. A plate with rectangular steps is provided for the round cross section of a pencil of light rays. The arrangement includes hydraulic transmission produced by weight force, and thermosymmetric construction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.