Patent · US Active

Optical system

US7706076B2 · kind B2 · utility

0Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 2005
Grant dateApr 27, 2010
Priority date
Expiry dateJan 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.