Patent application number | Description | Published |
20090170038 | METHOD FOR PRODUCING FINE STRUCTURE - A method for producing a fine structure includes: (a) forming a photosensitive film to cover a plurality of first convex portions formed in at least one surface of a substrate; (b) arranging liquid to cover the photosensitive film on the at least one surface of the substrate; (c) arranging a transparent parallel plate such that the parallel plate opposes the substrate via the liquid; (d) generating interference field by a laser beam to irradiate the interference field onto the photosensitive film via the parallel plate and the liquid; (e) removing the liquid and the parallel plate to develop the photosensitive film so as to form a photosensitive film pattern; and (f) etching the substrate using a mask of the photosensitive film pattern to form a plurality of fine convex portions smaller than the first convex portions on the at least one surface of the substrate. In the method, the liquid arranged at step (b) has a refractive index larger than 1 and equal to or smaller than a refractive index of the photosensitive film. | 07-02-2009 |
20100020400 | DIFFRACTIVE OPTICAL ELEMENT, METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT, AND LASER BEAM MACHINING METHOD - A diffractive optical element includes: a substrate having a first face and a second face; a diffractive structure section that is formed on the first face of the substrate, shaped in a rectangular form in a cross-sectional view of the diffractive structure section, and having an upper face and a plurality of protuberance portions; and a grid section that is formed of a dielectric material, formed on at least one of the upper face of the diffractive structure section and the second face of the substrate, and including micro protuberance portions that are smaller than each of the protuberance portions. | 01-28-2010 |
20110114859 | SENSOR CHIP, SENSOR CARTRIDGE, AND ANALYSIS APPARATUS - A sensor chip includes: a substrate that has a planar portion; and a diffraction grating, on which a target substance is placed, that includes a plurality of first protrusions periodically arranged in a period equal to or greater than 100 nm and equal to or less than 1000 nm in a first direction that is parallel to the planar portion, a plurality of base portions that is located between two of the first protrusions adjacent to each other and configures a base of the substrate, and a plurality of second protrusions that is formed on upper faces of the plurality of the first protrusions, has a surface formed from a metal, and is formed on the planar portion. | 05-19-2011 |
20110116088 | SENSOR CHIP, SENSOR CARTRIDGE, AND ANALYSIS APPARATUS - A sensor chip includes: a substrate that has a planar portion; and a diffraction grating on the planar portion and having a metal surface, the diffraction grating having a target substance thereon and including: a plurality of first protrusions periodically arranged in a period equal to or greater than 100 nm and equal to or less than 1000 nm in a first direction parallel to the planar portion, a plurality of base portions located between two adjacent first protrusions and configures a base of the substrate, a plurality of second protrusions formed on upper faces of the plurality of first protrusions, and a plurality of third protrusions formed on the plurality of base portions. | 05-19-2011 |
20110267613 | OPTICAL DEVICE, ANALYZING APPARATUS AND SPECTROSCOPIC METHOD - An optical device includes a first projection group in which electrically conductive projections are arranged at a first period along a direction parallel to a virtual plane. When light traveling in a direction inclined with respect to a vertical line directed to the virtual plane is incident on the first projection group, surface plasmon resonance is generated at a first resonance peak wavelength and a second resonance peak wavelength. A first resonance peak wavelength band including the first resonance peak wavelength includes an excitation wavelength in surface-enhanced Raman scattering. A second resonance peak wavelength band including the second resonance peak wavelength includes a Raman scattering wavelength in the surface-enhanced Raman scattering. | 11-03-2011 |
20110279817 | OPTICAL DEVICE AND ANALYZING APPARATUS - An optical device includes a projection group in which electrically conductive projections are arranged along a direction parallel to a virtual plane. The arrangement period of the projections in the projection group includes at least a first period and a second period different from the first period. The first period and the second period are shorter than a wavelength of an incident light. | 11-17-2011 |
20110279818 | SPECTROMETRY APPARATUS, DETECTION APPARATUS, AND METHOD FOR MANUFACTURING SPECTROMETRY APPARATUS - A spectrometry apparatus includes a transmissive diffraction grating that transmits incident light. The transmissive diffraction grating has inclined surfaces made of a first dielectric material. The inclined surfaces are arranged so that they are inclined relative to a reference line. When the angle of incidence of light incident on the transmissive diffraction grating is measured with respect to the reference line and defined as an angle α, and the angle of diffraction of diffracted light is measured with respect to the reference line and defined as an angle β, the angle of incidence α is smaller than a Bragg angle θ defined with respect to the inclined surfaces, and the angle of diffraction β is greater than the Bragg angle θ. | 11-17-2011 |
20120062881 | OPTICAL DEVICE UNIT AND DETECTION APPARATUS - An optical device unit includes: an optical device which has an electrical conductor and is capable of enhancing Raman scattering light generated by receiving light from a light source; and a first guide unit which guides a gaseous sample to the optical device. The optical device unit is detachable from the detection apparatus. | 03-15-2012 |
20120062882 | OPTICAL DEVICE UNIT AND DETECTION APPARATUS - An optical device unit includes: an optical device that has an electrical conductor and that is capable of enhancing Raman scattering light generated by receiving light from a light source; and a guide unit that guides a gaseous sample to the optical device. The guide unit has a first fluid path for rotating the gaseous sample in an area facing the optical device. | 03-15-2012 |
20120062884 | DETECTION APPARATUS - A detection apparatus includes: a first light source group having a plurality of light sources; a switch that switches the plurality of light sources to activate at least one of the light sources, a first optical system that introduces light from the activated light source into an electrical conductor of an optical device; and a detector that detects Raman scattering light from the light scattered or reflected by the electrical conductor. Each of the plurality of light sources of the first light source group is capable of radiating light having different polarization directions. | 03-15-2012 |
20130229652 | SENSOR CHIP, SENSOR CARTRIDGE, AND ANALYSIS APPARATUS - A sensor chip includes: a substrate that has a planar portion; and a diffraction grating on the planar portion and having a metal surface, the diffraction grating having a target substance thereon and including: a plurality of first protrusions periodically arranged in a period equal to or greater than 100 nm and equal to or less than 1000 nm in a first direction parallel to the planar portion, a plurality of base portions located between two adjacent first protrusions and configures abase of the substrate, a plurality of second protrusions formed on upper faces of the plurality of first protrusions, and a plurality of third protrusions formed on the plurality of base portions. | 09-05-2013 |