Patent · US Expired

Integrated optical device providing attenuation

US6304710A · kind A · utility

1Cited by
8References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1999
Grant dateOct 16, 2001
Priority date
Expiry dateMay 6, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/122
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The application describes the addition of serrations to the edge of the light transmissive layer of an integrated optical device. This enables scattered background light to be coupled out of the device, improving the signal-to-noise ratio.

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