Diffraction grating structures

Details Diffraction grating structures Diffraction grating structures

1986-07-14

1989-07-25

Miller, Stanley D.

350347R, 350347V, 350347E, 3501622, G02F 113

Patent

active

048506826

ABSTRACT:
A diffraction grating responds to incoming radiation incident thereon within a given range of incidence angles and re-directs such incident radiation from the structure in a selected direction within relatively limited confines. A liquid crystal material is positioned in contact with the diffracting surface of said at least one diffraction structure, the liquid crystal material, when inactivated, having a refractive index substantially the same as that of the diffraction structure. Activation means place the liquid crystal material in an activated state so that the refractive index thereof is substantially different from that of the diffraction structure whereby incoming radiation within a given range of incidence angles is transmitted through the structure and exits in the selected direction.

REFERENCES:
patent: 3698795 (1972-10-01), Flint
patent: 3843231 (1974-10-01), Borel et al.
patent: 3856381 (1974-12-01), Hedman, Jr. et al.
patent: 3980403 (1976-09-01), Pollack
patent: 4011009 (1977-03-01), Lama et al.
patent: 4045124 (1977-08-01), Pollack et al.
patent: 4729640 (1988-03-01), Sakata

Affiliated with

Also associated with

Rating

Diffraction grating structures does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Diffraction grating structures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diffraction grating structures will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2352796