Patent · US Expired

Optical multiplexer/demultiplexer

US4701012A · kind A · utility

23Cited by
2References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 11, 1985
Grant dateOct 20, 1987
Priority date
Expiry dateApr 11, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/29362
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The multiplexer/demultiplexer consists of a plurality of elements (105, 106, 107, 108) made of optically transparent material which are cemented together and on which filter layers (101, 102, 103, 104) are deposited so as to form wavelength-selective beam splitters.

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