Solid immersion lenses for focusing collimated light in the near-field region
US6594430B1 · kind B1 · utility
16Cited by
16References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2000 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | May 11, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens for focusing collimated light. The lens includes a single, optically transmissive material having an aspherical focusing surface and a second surface, such that collimated light incident on the aspherical focusing surface is focused in a near-field region of the second surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.