Erectable large optic for outer space application
US4512639A · kind A · utility
11Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1983 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Jul 5, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An erectable large optics for outer space application which includes a beam expander optic which is constructed as the output coupling portion of a feedback mirror of an unstable optical resonator and a large erectable gas lens has the focusing optic of an output aperture of a telescope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.