Optical filter device and method of making same

Details Optical filter device and method of making same Optical filter device and method of making same

2005-03-22

2005-03-22

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Liquid crystal optical element

Beam dividing switch formed from liquid crystal cell

C349S187000

Reexamination Certificate

active

06870595

ABSTRACT:
The optical waveguide includes an optical waveguide layer, and a filter element including an ultraviolet curing liquid crystal layer disposed in a position which divides the optical waveguide layer in a waveguide direction. The ultraviolet curing liquid crystal layer having a twisted structure in which a helical pitch after curing reflects light of a predetermined wavelength.

REFERENCES:
patent: 3909113 (1975-09-01), Stotts
patent: 3963310 (1976-06-01), Giallorenzi et al.
patent: 4246302 (1981-01-01), Benton et al.
patent: 5042889 (1991-08-01), Benzoni
patent: 5061046 (1991-10-01), Lee et al.
patent: 5214725 (1993-05-01), Yanagawa et al.
patent: 5309534 (1994-05-01), Cohen et al.
patent: 5316806 (1994-05-01), Yoshinaga et al.
patent: 5399390 (1995-03-01), Akins
patent: 5437811 (1995-08-01), Doane et al.
patent: 5457760 (1995-10-01), Mizrahi
patent: 5459591 (1995-10-01), Faris
patent: 5479547 (1995-12-01), Kunikane et al.
patent: 5562838 (1996-10-01), Wojnarowski et al.
patent: 5889900 (1999-03-01), Hallemeier
patent: 5937115 (1999-08-01), Domash
patent: 5940548 (1999-08-01), Yamada et al.
patent: 5978065 (1999-11-01), Kawasumi et al.
patent: 6008927 (1999-12-01), Minemoto et al.
patent: 6011609 (2000-01-01), Kato et al.
patent: 6043861 (2000-03-01), Davis
patent: 6055035 (2000-04-01), von Gutfeld et al.
patent: 6106743 (2000-08-01), Fan
patent: 6270261 (2001-08-01), Kawano
patent: 6311884 (2001-11-01), Johnson
patent: 608566 (1994-08-01), None
patent: 04069604 (1992-03-01), None
patent: 05249506 (1993-09-01), None
patent: 09021912 (1997-01-01), None
patent: 10104472 (1998-04-01), None
patent: 10246825 (1998-09-01), None
patent: 10282324 (1998-10-01), None
patent: 10-319261 (1998-12-01), None
patent: 11038240 (1999-02-01), None
patent: 11-068705 (1999-03-01), None
IBM technical disclosure NN86045000, Apr. 1, 1986.

Affiliated with

Also associated with

Rating

Optical filter device and method of making same 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 filter device and method of making same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical filter device and method of making same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3373566