| Patent Number |
Title Of Patent |
Date Issued |
| 5670871 |
Polymeric film electrooptic sensor device |
September 23, 1997 |
| This invention provides an electrooptic sensor device which is adapted to measure micro-circuit electrical signals with subpicosecond resolution. The sensor device has an electrooptic organic polymer film matrix. The sensor device is positioned adjacent to an electrical signal transmissi |
| 5234557 |
Nonlinear optical medium with a stable noncentrosymmetric polymeric structure |
August 10, 1993 |
| A process for stabilizing a poled nonlinear optical media is disclosed and claimed. The inventive process includes the steps of heating a film of suitable polymer above its Tg, poling the film in an electric field and heat treating the medium while the field is maintained. Films so produ |
| 5202938 |
Laminated waveguiding polarizer utilizing polymeric birefringent cladding |
April 13, 1993 |
| A waveguiding polarizer utilizing a birefringent polymer film cladding layer is disclosed and claimed. The cladding layer may be a spin-coated polyimide, polyarylate, polyaramide or like polymer. Core and cladding layers are selected so that waveguiding conditions are achieved for light |
| 5093883 |
Nonlinear optically responsive polymeric waveguides |
March 3, 1992 |
| This invention provides process embodiments for the production of second order nonlinear optical media and waveguiding devices. An important aspect of an invention waveguiding device is the use of a novel electrode design which permits the application of a high voltage electric field for |
| 5053168 |
Nonlinear optical medium with a stable noncentrosymmetric polymeric structure |
October 1, 1991 |
| This invention provides nonlinear optical media which have a stable noncentrosymmetric array of side chain polymer molecules, such as an electric field poled and stabilized medium of a 50/50 copolymer of N-methyl-4-[2-(4-nitrophenyl)ethenyl]phenylamino-2-ethyl 2-methyl-2-propenoate a |
| 4932738 |
Polarization-insensitive interferometric waveguide electrooptic modulator |
June 12, 1990 |
| In one embodiment this invention provides a polarization-insensitive interferometric waveguide electrooptic modulator device. In a Mach-Zehnder type of waveguide geometry, one of the divergent optical paths has two sets of electrodes, which apply a horizontal electric field and a vertica |