Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1998-06-30
1999-11-30
Ben, Loha
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
359627, 359637, 359720, 2504941, 345 8, G02B 2714
Patent
active
059952911
ABSTRACT:
The invention relates to an image-forming optical system which is compact and light in weight with well corrected aberrations, and is suitable for use on an image display device designed to form no intermediate image, and an optical system. This optical system comprises a prism member and a diffraction optical element that are mutually decentered. The prism member comprises at least three juxtaposed optical surfaces, at least one of which is constructed of a curved surface. Between the optical surfaces, at least two reflections occur. Spaces between the optical surfaces arc filled with a medium having a refractive index greater than 1.
REFERENCES:
patent: 4026641 (1977-05-01), Bosseman et al.
patent: 5093567 (1992-03-01), Staveley
patent: 5303085 (1994-04-01), Rallison
patent: 5379157 (1995-01-01), Wang
patent: 5453877 (1995-09-01), Gerbe et al.
patent: 5506728 (1996-04-01), Edwards et al.
patent: 5642227 (1997-06-01), Rallison
patent: 5745295 (1998-04-01), Takahashi
patent: 5812323 (1998-09-01), Takahashi
patent: 5818641 (1998-10-01), Takahashi
Ben Loha
Olympus Optical Co,. Ltd.
LandOfFree
Optical system and optical device comprising diffractive optical 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 system and optical device comprising diffractive optical, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical system and optical device comprising diffractive optical will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1680716