Patent · US Active

Optical apparatus

US7929137B2 · kind B2 · utility

22Cited by
494References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2009
Grant dateApr 19, 2011
Priority date
Expiry dateSep 8, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/6469
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Various optical apparatus, in particular embodiments, may provide a source of parallel light (7, 75). The parallel light (7, 75) may be generally achieved by directing an incident beam at the apex of a prism (1, 22, 24, 26, 28). The prism may have varying configurations. One configuration has a forward conical face (24). Another configuration has a pyramidal forward end (22). Other configurations are also disclosed. Various optical methods and methods for flow cytometry are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.