Optical: systems and elements – Light interference – Produced by coating or lamina
Patent
1993-07-27
1995-06-20
Epps, Georgia Y.
Optical: systems and elements
Light interference
Produced by coating or lamina
359588, 359589, 359359, G02B 110
Patent
active
054265320
ABSTRACT:
An infrared filter that is formed as a laminated structure including a plurality of layers having substantially uniform thicknesses. The various embodiments include first layers that are relatively thick which are interleaved with second layers that are relatively thin as compared to the first layers. The second layers are generally one quarter wavelength optical thickness at a particular tuned wavelength, whereas the first layers are generally a plurality of quarter wavelength optical thicknesses. Methods for manufacturing the filters are described, including grinding and polishing procedures for obtaining the desired uniformity of thicknesses of said layers.
REFERENCES:
patent: 2660925 (1953-12-01), Turner
patent: 3000375 (1961-09-01), Golay
patent: 3188513 (1965-06-01), Hansler
patent: 3331941 (1967-07-01), Edwards et al.
patent: 3551017 (1970-12-01), Iwasaki et al.
patent: 3718533 (1973-02-01), Shibata
patent: 4226910 (1980-10-01), Dahlen et al.
patent: 4245217 (1981-01-01), Steinhage
patent: 4284323 (1981-08-01), Jankowitz
patent: 4504109 (1985-03-01), Taga et al.
patent: 4726655 (1988-02-01), Mahlein
patent: 4854670 (1989-08-01), Mellor
patent: 4902102 (1990-02-01), Breidenthal
patent: 4994139 (1991-02-01), Biermann et al.
Epps Georgia Y.
Guillot Robert O.
Robbins Thomas
LandOfFree
Infrared filter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Infrared filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Infrared filter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1848403