Non-periodic wavefront dividing interferometer
US8081318B2 · kind B2 · utility
1Cited by
4References
22Claims
0Family size
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Key dates
| Filing date | Jun 10, 2009 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/4532
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A non-periodic reflection beamsplitter or reflector for use in an interferometer. The interferometer employs non-periodic reflectors or a non-periodic beamsplitter in order to produce interference patterns to analyze. The non-periodic reflectors or beamsplitters may be concentrically arranged reflectors having equal area. The beamsplitter consists of two adjacent non-periodic structures having complementary reflection and transmission patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.