Patent · US Expired

Low-pass filter for the UV band of the electromagnetic spectrum

US5978134A · kind A · utility

5Cited by

5References

15Claims

0Family size

Assignee

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

Patrick Chaton · Theys, FR
Jean Dijon · Le Pont-de-Claix, FR

Key dates

Filing date	May 28, 1998
Grant date	Nov 2, 1999
Priority date	—
Expiry date	May 28, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG02B5/283
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a low-pass optical filtering device for the UV band, comprising: PA1 a dielectric stacking (14) ensuring an anti-reflective function for .lambda.<.lambda..sub.c, where .lambda..sub.c is a so-called cutoff wavelength, of less than 300 nm, a metal base (12) ensuring a reflective function for .lambda.>.lambda..sub.c.

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