Skew mirrors, methods of use, and methods of manufacture
US9891363B2 · kind B2 · utility
7Cited by
2References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2016 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Aug 24, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2001/266
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical reflective device referred to as a skew mirror, having a reflective axis that need not be constrained to surface normal, is described. Examples of skew mirrors are configured to reflect light about substantially constant reflective axes across a relatively wide range of wavelengths. In some examples, a skew mirror has substantially constant reflective axes across a relatively wide range of angles of incidence. Exemplary methods for making and using skew mirrors are also disclosed. Skew mirrors include a grating structure, which in some examples comprises a hologram.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.