Multiple-wavelength binary diffractive lenses
US8049963B2 · kind B2 · utility
5Cited by
8References
24Claims
0Family size
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Key dates
| Filing date | Oct 17, 2008 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/4211
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dichromatic lens includes a plurality of zones being arranged on a lens structure, each of the zones having a specified radius and varying height. The lens structure focuses propagating light applicable to any intensity distribution for a plurality of wavelengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.