Optical system
US7706076B2 · kind B2 · utility
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3References
8Claims
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Key dates
| Filing date | Sep 21, 2005 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Jan 19, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/082
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical system for arranging between a light source and a field diaphragm in an illumination beam path of a microscope comprises n imaging optical elements with focal lengths fi and Abbe numbers νi (i=1, . . . , n). The following relationship is met for the optical system:where hi is one half of the bundle diameter of a bundle of light rays proceeding from a point of the light source at the entrance to the imaging optical element i.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.