Inventor

JANNSON JOANNA L

US15 patents

Patents

15 patents

US5067788ANov 26, 1991

High modulation rate optical plasmon waveguide modulator

PHYSICAL OPTICS CORP197 citations99

US6130730AOct 10, 2000

Backlight assembly for a display

PHYSICAL OPTICS CORP129 citations98

US5838403ANov 17, 1998

Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing

PHYSICAL OPTICS CORP208 citations98

US6744909B1Jun 1, 2004

Authentication system and method

PHYSICAL OPTICS CORP85 citations97

US7317814B2Jan 8, 2008

Authentication system and method

PHYSICAL OPTICS CORP48 citations96

US6072551AJun 6, 2000

Backlight apparatus for illuminating a display with controlled light output characteristics

PHYSICAL OPTICS CORP125 citations95

US5026131AJun 25, 1991

High channel density, broad bandwidth wavelength division multiplexer with highly non-uniform Bragg-Littrow holographic grating

PHYSICAL OPTICS CORP81 citations95

US5221957AJun 22, 1993

Nonuniform holographic filter in a spectroscopic system

PHYSICAL OPTICS CORP60 citations94

US4926412AMay 15, 1990

High channel density wavelength division multiplexer with defined diffracting means positioning

PHYSICAL OPTICS CORP66 citations94

US4838630AJun 13, 1989

Holographic planar optical interconnect

PHYSICAL OPTICS CORP52 citations94

US6303276B1Oct 16, 2001

Method and apparatus for making optical master surface diffusers suitable for producing large format optical components

PHYSICAL OPTICS CORP28 citations92

US4958892ASep 25, 1990

Diffraction coherence filter

PHYSICAL OPTICS CORP40 citations92

US5153670AOct 6, 1992

Holographic lippmann-bragg filter in a spectroscopic system

PHYSICAL OPTICS CORP50 citations90

US5018814AMay 28, 1991

Broadband single-mode optical coupler

PHYSICAL OPTICS CORP12 citations74

US5083219AJan 21, 1992

Method and apparatus for recording lippman holographic mirrors

PHYSICAL OPTICS CORP9 citations73