Polarized illumination systems
US11054562B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 24, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Mar 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0008
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An illumination system is provided that includes a light source configured to emit a first handedness polarization of light onto a body, the first handedness polarization of light having at least one of a circular and an elliptical polarization. The body reflects a second handedness polarization of light. An optical filter is configured to at least one of absorb and reflect the second handedness polarization of light and transmit the first handedness polarization of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.