Patent · US Expired

Polarization converting apparatus and optical instrument having the same

US5461500A · kind A · utility

17Cited by
21References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 1994
Grant dateOct 24, 1995
Priority date
Expiry dateAug 22, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B27/283
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

This specification discloses a polarization converting apparatus having means emitting non-polarized light, and polarizing means having a light incidence surface and a light emergence surface, the polarizing means receiving the non-polarized light by the light incidence surface and causing polarized light to emerge from the light emergence surface, the size and shape of the light incidence surface being similar to the size and cross-sectional shape of the non-polarized light. The specification also discloses an optical instrument having such apparatus.

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