Abstract: One or more laser devices, one or more information acquisition devices, one or more imaging systems, and one or more methods for use with same are provided. Embodiments of wavelength-tunable type surface emitting lasers including an active layer and excitation units and for exciting the surface emitting laser are included, and the excitation units excite the active layer of the surface emitting laser so that a carrier occupation state of an energy level that can oscillate different wavelength in different areas of the active layer of the surface emitting laser in the XY in-plane direction is obtained.

Abstract: Provided is a surface emitting laser that is to be excited by an external light source and in which a light-emitting position is defined. A surface emitting laser includes a pair of reflecting mirrors (11, 15) and an active layer (13) that is arranged between the pair of reflecting mirrors (11, 15) and that is to be excited by light that is radiated from an external light source. A gap is formed between the active layer and one of the pair of reflecting mirrors (15), the oscillation wavelength of the surface emitting laser is changed, and a defining structure (20) that defines a light-emitting region of the active layer (13) is arranged in at least one of a region between the pair of reflecting mirrors (11, 15) and a region in at least one of the pair of reflecting mirrors (11, 15).

Abstract: Provided is a surface emitting laser that is to be excited by an external light source and in which a light-emitting position is defined. A surface emitting laser includes a pair of reflecting mirrors (11, 15) and an active layer (13) that is arranged between the pair of reflecting mirrors (11, 15) and that is to be excited by light that is radiated from an external light source. A gap is formed between the active layer and one of the pair of reflecting mirrors (15), the oscillation wavelength of the surface emitting laser is changed, and a defining structure (20) that defines a light-emitting region of the active layer (13) is arranged in at least one of a region between the pair of reflecting mirrors (11, 15) and a region in at least one of the pair of reflecting mirrors (11, 15).

Abstract: One or more laser devices, one or more information acquisition devices, one or more imaging systems, and one or more methods for use with same are provided. Embodiments of wavelength-tunable type surface emitting lasers including an active layer and excitation units and for exciting the surface emitting laser are included, and the excitation units excite the active layer of the surface emitting laser so that a carrier occupation state of an energy level that can oscillate different wavelength in different areas of the active layer of the surface emitting laser in the XY in-plane direction is obtained.

Abstract: A luminescent device including an upper electrode layer, a lower electrode layer and an active layer provided between these electrode layers, the device having such a structure that at least one electrode layer of the upper electrode layer and the lower electrode layer is provided in an in-plane direction of the active layer being divided into plural electrodes, current is injected into plural different regions of the active layer by the plural electrodes to cause emission in plural luminescent regions, and light emitted from one luminescent region of the plural luminescent regions enters in another luminescent region and exits. The device further includes a light receiving portion for detecting light that is emitted from one luminescent region of the plural luminescent regions and does not go through another luminescent region.

Abstract: The objective of the present invention is to provide a pneumatic tire that can desirably prevent generation of static electricity between the road face and the tire, while maintaining a low rolling resistance, so that the safety in use is further improved. In pneumatic tire of the present invention, each of tread rubber, breaker rubber and sidewall rubber that are respectively formed on a tread section, a breaker section and a sidewall section has a volume resistivity of 1×108 ?·cm or more, with a conductive layer having a volume resistivity smaller than 1×108 ?·cm and a thickness in a range from 0.2 to 2.0 mm being formed between a carcass ply forming the carcass and the sidewall rubber, and at least either conductive layer or a rubber cement layer that is formed so as to be made in contact with conductive layer and has a volume resistivity lower than that of the tread rubber is exposed to the surface of the tire.

Abstract: A surface emitting laser comprises an upper reflecting mirror, a lower reflecting mirror, and an active layer located between those mirrors. A cavity of the surface emitting laser consists of the upper reflecting mirror and the lower reflecting mirror. In the surface emitting laser, a plurality of individual light receiving portions is located in an optical path inside the cavity in order to detect a laser beam.

Abstract: A luminescent device including an upper electrode layer, a lower electrode layer and an active layer provided between these electrode layers, the device having such a structure that at least one electrode layer of the upper electrode layer and the lower electrode layer is provided in an in-plane direction of the active layer being divided into plural electrodes, current is injected into plural different regions of the active layer by the plural electrodes to cause emission in plural luminescent regions, and light emitted from one luminescent region of the plural luminescent regions enters in another luminescent region and exits. The device further includes a light receiving portion for detecting light that is emitted from one luminescent region of the plural luminescent regions and does not go through another luminescent region.

Abstract: A surface emitting laser includes a first laser, and a second laser, wherein each of the first laser and the second laser includes a light resonant cavity including a pair of reflecting mirrors, and a semiconductor layer configured to emit light and arranged inside the light resonant cavity, an oscillation wavelength of light varied by displacing a location of the reflecting mirror in a thickness direction of the semiconductor layer, the semiconductor layer is shared by the first laser and the second laser, the first laser has a resonant cavity length for oscillating with (n+1)th order (n is an integer of 1 or more) of a longitudinal mode, the second laser has a resonant cavity length for oscillating with nth order of a longitudinal mode, and respective wavelength bands of light oscillated by the first laser the second laser are different.

Abstract: Provided is a semiconductor optical integrated device, formed by arranging a light emitting element and a light detecting element in a plane of the same substrate, each formed by laminating layers which at least include a first clad layer of a first conductive type, an active layer and a second clad layer of a second conductive type on a substrate, wherein the active layer has a structure where a second active area of a conductive type and an undoped first active area are laminated, and the second active area has the same conductive type as that of the first or second clad layer laminated in the closest position to the second active area. This device suppresses heat generation due to increased operating current and unnecessary light generation at an operation of the light emitting element, and enhancing light absorption efficiency at the an operation of the light emitting element.

Abstract: A rubber composition for coating a steel cord, in which processability, durability and adhesive condition can be improved with favorable balance, and a tire using the rubber composition are provided. The rubber composition for coating a steel cord comprises 40 to 70 parts by weight of silica having a nitrogen adsorbing-specific surface area of 100 to 200 m2/g, 1 to 15 parts by weight of a silane coupling agent, 12 to 20 parts by weight of zinc oxide, 3.5 to 5 parts by weight of sulfur, and an organic cobalt in an amount of 0.05 to 0.3 part by weight, converted into metal cobalt amount, on the basis of 100 parts by weight of a rubber component, and a tire is prepared using the rubber composition.

Abstract: The present invention provides a rubber composition for coating a textile cord, and a tire using the rubber composition, wherein rolling resistance is lowered, and processability and rubber strength are excellent, as compared with a rubber composition for coating a textile cord comprising raw materials derived from petroleum resources as a main component, and a tire using the rubber composition, while considering environments and providing for the future decrease in petroleum resources supply. The rubber composition for coating a textile cord comprises 25 to 80 parts by mass of silica and 1 to 15 parts by mass of a silane coupling agent on the basis of 100 parts by mass of a diene rubber, wherein a nitrogen adsorbing-specific surface area of said silica is 70 to 150 m2/g.

Abstract: Disc-shaped information recording medium comprising optical penetrating substrate having colored underlayer and ink receipt layer in this order on the principal surface of one side of the substrate, wherein the ink receipt layer contains inorganic fine particles, a binder, and a crosslinking agent, and wherein a pore diameter distribution of a gap of the ink receipt layer has a maximum peak in the range of 30 nm or more when the ink receipt layer is measured with a mercury porosimetry method. Since the shrinkage force functioning in the pores of the gaps of the ink receipt layer weakens, a disc-shaped information recording medium having a reduced occurrence of warp is provided.

Abstract: A red surface emitting laser element includes a first reflector, a second reflector including a p-type semiconductor multilayer film, an active layer between the first reflector and the second reflector, and a p-type semiconductor spacer layer between the active layer and the second reflector, the p-type semiconductor spacer layer having a thickness of 100 nm or more and 350 nm or less.

Abstract: A pneumatic tire is equipped with at least a tread part, a sidewall part, a bead part, and a carcass extending from tread part through sidewall part to bead part, and provided with a breaker part on the outside of carcass in the radial direction of the tire. The volume resistivity of each of a tread rubber, a sidewall rubber, a breaker rubber, and a carcass rubber formed in the tread part, the sidewall part, the breaker part, and the carcass respectively is set to 1×1012 ?·cm or more. A conductive layer having volume resistivity of 1×1011 ?·cm or less is provided between a carcass ply constituting the carcass and the sidewall rubber and has an exposed part to the tire surface. A rubber cement layer contacting with at least a part of the exposed part of the conductive layer and at least a part of the region that becomes a grounding surface in the tread part to the road surface is provided.

Abstract: There is provided a rubber composition for a tread having excellent hardness and improving the processability and grip performance of a tire, and a tire comprising thereof. A rubber composition for a tread comprising 30 to 80 parts by weight of silica having a BET specific surface area of less than 150 m2/g and 10 parts by weight or less of carbon black based on 100 parts by weight of a rubber component comprising an epoxidized natural rubber, and a tire comprising thereof.

Abstract: A red surface emitting laser element includes a first reflector, a second reflector including a p-type semiconductor multilayer film, an active layer between the first reflector and the second reflector, and a p-type semiconductor spacer layer between the active layer and the second reflector, the p-type semiconductor spacer layer having a thickness of 100 nm or more and 350 nm or less.

Abstract: One inventive aspect relates to an optical information recording medium, in which the quality of a printed image is not impaired because the water resistance of a printed portion is improved. The optical information recording medium includes a porous film ink receiving layer as an outermost layer of a surface opposite to a recording and playback surface, wherein when the ink receiving layer is printed with an ink of each of four colors, cyan, magenta, yellow, and black, followed by drying, a running water test is performed, and L*a*b* values before and after the running water test are measured with a colorimeter, the total value of the square root of the sum of the square of difference in L*, the square of difference in a*, and the square of difference in b*, each between before and after the running water test, of each of the four colors is approximately 20 or less.

Abstract: A rubber composition for an inner liner improving rolling resistance performance of a tire and further improving processability is provided. A rubber composition for an inner liner comprising at least 30 parts by weight of silica having a BET specific surface area of less than 150 m2/g and at most 5 parts by weight or less of carbon black based on 100 parts by weight of a rubber component comprising a natural rubber and a tire having an inner liner comprising the same.

Abstract: A red surface emitting laser element includes a first reflector, a second reflector including a p-type semiconductor multilayer film, an active layer between the first reflector and the second reflector, and a p-type semiconductor spacer layer between the active layer and the second reflector, the p-type semiconductor spacer layer having a thickness of 100 nm or more and 350 nm or less.