Class / Patent application number | Description | Number of patent applications / Date published |
359299000 | Opto-optical device | 9 |
20080239462 | Composite material with controllable resonant cells - An apparatus for controlling propagation of incident electromagnetic radiation is described, comprising a composite material having electromagnetically reactive cells of small dimension relative to a wavelength of the incident electromagnetic radiation. At least one of a capacitive and inductive property of at least one of the electromagnetically reactive cells is temporally controllable to allow temporal control of an associated effective refractive index encountered by the incident electromagnetic radiation while propagating through the composite material. | 10-02-2008 |
20090052009 | NON-LINEAR OPTICAL DEVICE SENSITIVE TO GREEN LASER - A non-linear optical device comprising a polymer configured to be photorefractive upon irradiation by a green laser. The polymer comprises a repeating unit including a moiety selected from the group consisting of the structures (M-1), (M-2) and (M-3), as defined herein. | 02-26-2009 |
20090219606 | DEVICE AND METHOD - An article includes an optical device. The optical device includes a first prism and a second prism. The first prism includes an optically active material that responds to an external stimulus that affects a refractive index of at least a portion of the first prism. A method for making a method of use of the article is also provided. | 09-03-2009 |
20100265568 | THERMAL LENS FORMING ELEMENT - A thermal lens forming element includes a first chamber serving as a control light absorbing region, which is configured as a columnar body or an N prismatic body (wherein N is an integer equal to or greater than 4) circumscribing the columnar body and filled with a control light absorbing dyestuff solution containing a solvent having a viscosity of 0 to 3 mPa·s at 160° C. or above and a ratio of the viscosity of the solvent at 160° C. to a viscosity of the solvent at 40° C. not less than 1 and not greater than 6, wherein the columnar body or the N prismatic body circumscribing the columnar body has a central axis coinciding with an optical axis of incident signal light. The first chamber is connected to a second chamber via a solution channel and a dam. The dyestuff solution and a bubble of an inert gas are confined in the second chamber. | 10-21-2010 |
20120033289 | ARTICLE USING AN OPTICAL DEVICE - An article includes an optical device. The optical device includes a first prism, a second prism, and a light source. The first prism includes an optically active material that affects a refractive index of at least a portion of the first prism via a photochemical change induced by exposure to different wavelengths of light from the light source. | 02-09-2012 |
20130057945 | OPTICAL-PATH-SWITCHING APPARATUS AND LIGHT SIGNAL OPTICAL-PATH-SWITCHING METHOD - An optical-path-switching apparatus according to the present invention includes a reducing optical system capable of guiding signal light and control light along the direction of gravity into a thermal-lens-forming optical element having an incidence plane positioned to be perpendicular to the direction of gravity in such a way as to differentiate respective convergence points in a direction perpendicular to the optical axis. The apparatus further includes a light-receiving unit configured to converge or condense straight-traveling signal light in the absence of irradiation with the control light and signal light whose optical path has been switched due to irradiation with the control light using the same optical element. Further, the apparatus includes a wedge-type prism provided at a passing position of the optical-path-switched signal light to increase the distance between the optical axis of the optical-path-changed signal light and the optical axis of the straight-traveling signal light. | 03-07-2013 |
20130128339 | PHOTOREFRACTIVE COMPOSITION RESPONSIVE TO MULTIPLE LASER WAVELENGTHS ACROSS THE VISIBLE LIGHT SPECTRUM - Described herein are compositions that are photorefractive upon irradiation by multiple laser wavelengths across the visible light spectrum. Embodiments of the photorefractive composition comprise a polymer, a chromophore, and a sensitizer, wherein the polymer comprises a repeating unit including at least a moiety selected from the group consisting of the formulae (Ia), (Ib) and (Ic), as defined herein. The photorefractive composition can be used in optical devices. | 05-23-2013 |
20130170016 | PHOTOREFRACTIVE DEVICE CONTAINING A CHROMOPHORE-DOPED POLYMER LAYER AND ITS MANUFACTURING METHOD - A photorefractive device ( | 07-04-2013 |
20130321897 | PHOTOREFRACTIVE DEVICES HAVING SOL-GEL BUFFER LAYERS AND METHODS OF MANUFACTURING - A photorefractive device ( | 12-05-2013 |