Real-time micro/nano optical field generation and manipulation system/method
US11327326B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | May 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure discloses a real-time micro/nano optical field generation and manipulation system and method. The system comprises a light source, a spatial filtering unit, an optical 4F system and a light wave manipulation unit, and the optical 4F system comprises a first lens (set) and a second lens (set) sequentially arranged along a light path. The present disclosure achieves real-time modulation on an incident wavefront through a phase element or a phase element assemble. By dynamically manipulating an incident light sub-wavefront, or the light wave modulation optical element, or different areas of the optical element, or different parts of the optical field in an imaging plane and/or the like by the spatial filtering unit, real time light fields with different parameters are generated in the image plane of the system. By spatial filtering/spatial time division filtering/spatio-temporal multiplexing filtering and/or the change of the phase elements, flexible manipulation on patterns, pattern distribution areas and structural parameters such as the patterns' frequency, their orientations, duty ratios, phases or phase shifts and the like are realized. The system can be fl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.