Patent · US Expired

Frustrated total internal reflection device having a spacer and an endplate

US5917641A · kind A · utility

21Cited by
49References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 5, 1997
Grant dateJun 29, 1999
Priority date
Expiry dateSep 5, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/3522
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A device for processing an optical signal includes a refractor with a reflecting surface for reflecting the optical signal by total internal reflection. The device also includes a switchplate and an actuator to place the switchplate into proximal contact with the refractor to frustrate the total internal reflection.

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