Patent · US Expired

Magneto-optical element

US6333809A · kind A · utility

0Cited by
16References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 2000
Grant dateDec 25, 2001
Priority date
Expiry dateOct 27, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/32
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A magneto-optical device using a rare earth iron garnet material, wherein the rare earth garnet material is expressed in the following formula: EQU (Bi.sub.x Gd.sub.y R.sub.z Y.sub.3-x-y-z)(Fe.sub.5-w Ga.sub.w)O.sub.12, wherein x is defined in a range of 0.84.ltoreq.x.ltoreq.1.10, y is defined in the range of 0.73.ltoreq.y.ltoreq.1.22, z is defined in the range of 0.02.ltoreq.z.ltoreq.0.03, and w is defined in the range of 0.27.ltoreq.w.ltoreq.0.32, and wherein R is at least one element selected from rare earth elements.

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