| Patent Number |
Title Of Patent |
Date Issued |
| 7667391 |
Electrically excited organic light-emitting diodes with spatial and spectral coherence |
February 23, 2010 |
| A light-emitting device, comprising: a multi-layer stack of materials supported on an optically transparent support member, a first spatial filter, and a second spatial filter spaced from the first spatial filter. The multi-layer stack including at least one organic light-emitting la |
| 7065115 |
External cavity organic laser |
June 20, 2006 |
| A thin-film organic laser, that includes: a substrate; a bottom mirror provided on the substrate; at least one active region deposited on the bottom mirror, wherein the at least one active region includes organic gain material; an external mirror provided at a predetermined distance |
| 6903824 |
Laser sensitometer |
June 7, 2005 |
| An optical apparatus. More particularly, a laser sensitometer. The apparatus comprises: a polarized light source adapted to provide a Gaussian beam of light directed along an optical axis; a rotatable polarizer disposed in the optical axis adapted to vary an intensity of the beam of |
| 6888862 |
Dye-doped polymer nanoparticle gain medium |
May 3, 2005 |
| A gain medium for producing a light emission in a laser. The gain medium comprises a dye-doped polymer nanoparticle matrix having an absolute value of dn/dT less than an absolute value of dn/dT of its dye-doped polymer matrix. |
| 6236461 |
Laser sensitometer using multiple-prism beam expansion and a polarizer |
May 22, 2001 |
| An electro-optical apparatus particularly suitable for exposing a sample of light sensitive material to provide a graded series of exposures of different intensity levels. The apparatus includes a light source, beam shaping optics, and a rotatable polarizer. The light source provides a |
| 5255069 |
Electro-optical interferometric microdensitometer system |
October 19, 1993 |
| There is disclosed an interferometric system including electro-optical apparatus and method for examining and characterizing ultra fine details of various specimens such as a piece of photographic film. The method includes illuminating a specimen with a thin wide substantially pure G |
| 5181222 |
Laser oscillator |
January 19, 1993 |
| Laser apparatus is described in which the optical cavity of a laser oscillator is specially provided with a polarizing device which has on its outer face a partially reflecting coating (such as a thin partially reflecting layer of low-loss dielectric material). The polarizing device |
| 4891817 |
Pulsed dye laser apparatus for high PRF operation |
January 2, 1990 |
| Laser apparatus is disclosed which comprises a compact pulsed dye laser for high pulse repetition frequency operation. The pulsed dye laser includes a resonator cell having a passageway through which dye solution is circulated and a pump laser for optically pumping the resonator. In orde |
| 4822150 |
Optical device for rotating the polarization of a light beam |
April 18, 1989 |
| An optical device is disclosed for rotating the polarization of a light beam, in particular a laser beam. In one embodiment of the invention, the device comprises a prism which is adapted to rotate the polarization of a linearly-polarized beam of radiation by 90.degree. and to change the |
