Optical low-pass filter

Details Optical low-pass filter Optical low-pass filter

1990-06-12

1993-08-17

Arnold, Bruce Y.

Optical: systems and elements

Having significant infrared or ultraviolet property

Multilayer filter or multilayer reflector

359490, 359583, 359589, 359834, 358 44, 358 55, G02B 530, G02B 528, G02B 526, G02B 504

Patent

active

052374467

ABSTRACT:
An optical low-pass filter comprising at least two boundary surfaces arranged substantially parallel to each other which can split incident light into two components or reflect it and at least one of which has color dependency, in order to make it possible to be favorably used to an objective optical system for for endoscopes, to have wavelength dependency to response, and to minimize the generation of color moire. The optical low-pass filter is constructed in the form of various shaped prisms and can also have two-dimensional filter characteristics.

REFERENCES:
patent: 3767290 (1973-10-01), Lang et al.
patent: 4185894 (1980-01-01), Hilton et al.
patent: 4291945 (1981-09-01), Hayamizu
patent: 4539584 (1985-09-01), Otake
patent: 4575193 (1986-03-01), Greivenkamp, Jr.
patent: 4626897 (1986-12-01), Sato et al.
patent: 4709144 (1987-11-01), Vincent
patent: 4720178 (1988-01-01), Nishioka et al.
patent: 4761682 (1988-08-01), Asaida
patent: 4806750 (1989-02-01), Vincent
patent: 4807981 (1989-02-01), Takizawa et al.
patent: 4882619 (1989-11-01), Hasegawa et al.
M. Torfeh et al, "Coupling and Phase Matching Coefficients in a Magneto-Optical TE-TM Mode Converter", Physica 89B, (1977) pp. 255-259.

Affiliated with

Also associated with

Rating

Optical low-pass 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 Optical low-pass filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical low-pass filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2248776