Abstract: A novel catalyst constituent material for combustion gas purification, which has an extremely good ratio of contact between each catalyst metal particle and an exhaust gas; and a catalyst device which uses this catalyst constituent material for combustion gas purification; and a method for producing this catalyst constituent material for combustion gas purification. The catalyst constituent obtained by mixing catalyst metal particles and a pore-forming material that disappears at high temperatures into a catalyst supporting material, which is a slurry containing fine ceramic particle. The pore-forming material also contains long fibers of cellulose nanofibers and/or short fibers of cellulose nanofibers.

Abstract: A light source apparatus includes a first laser light emitter that emits first light, a wavelength converter that converts the first light into second light, a base including a first support part that supports the first laser light emitter and a second support part that supports the wavelength converter, and a first optical element that guides the first light to the wavelength converter. The first optical element has a first light incident surface which faces the first laser light emitter, a first reflection surface that reflects the first light emitted from the first light incident surface and deflects the optical path of the first light, and a first light exiting surface which faces the wavelength converter and via which the first light reflected off the first reflection surface exits. The first light incident surface, the first reflection surface, and the first light exiting surface intersect with each other.

Abstract: A light source apparatus includes a first laser light emitter that emits first light, a wavelength converter that converts the first light into second light, a base including a first support part that supports the first laser light emitter, and a second support part that supports the wavelength converter, a light transmissive member that has first and second surfaces, the first light being incident on the first surface, a first reflector that is disposed at the second surface and reflects the first light toward the wavelength converter, and a light collection optical element that collects light emitted from the wavelength converter. A first distance along an optical axis of the light collection optical element between the wavelength converter and the light collection optical element is shorter than a second distance along the optical axis between the first laser light emitter and the light collection optical element.

Abstract: A light source device includes a first laser emitter configured to emit first light, a light transmissive member having a first surface and a second surface, the first light emitted from the first laser emitter being incident on the second surface, a base having a first support part configured to support the first laser emitter and a second support part configured to support the light transmissive member, and a wavelength converter arranged on the first surface and configured to convert the first light into second light. The wavelength converter has an incident surface including an incident area where the first light enters and an emission surface disposed at an opposite side to the incident surface and configured to emit the second light. The second support part supports the second surface of the light transmissive member in an area corresponding to the incident area.

Abstract: A light source apparatus according to an aspect of the present disclosure includes a light source that outputs excitation light, a wavelength converter including a reflection layer and a wavelength conversion layer that is provided on the light incident side of the reflection layer and converts the excitation light in terms of wavelength into wavelength converted light having a wavelength band different from that of the excitation light, a first optical element that causes the excitation light from the light source to be incident on the wavelength converter, and a second optical element that is disposed in the optical path between the light source and the wavelength converter and causes at least part of reflected light of the excitation light reflected off the wavelength converter to exit toward the wavelength converter.

Abstract: An illuminator includes a light source that outputs first light, a wavelength converter that converts the first light into second light, an optical element that reflects the first light toward the wavelength converter and transmits the second light, and an illumination system which is disposed on the opposite side of the optical element from the wavelength converter. The wavelength converter includes a substrate, a reflection layer facing a first surface of the substrate, a wavelength conversion layer having a second surface and facing the reflection layer, and a structural element facing the second surface and having a plurality of protrusions that reflect part of the first light. The plurality of protrusions each have an inclining surface that inclines with respect to the second surface, and at least part of the first light and reflected off the inclining surface enters the illumination system without traveling via the optical element.

Abstract: A light source apparatus according to an aspect of the present disclosure includes a light source that outputs excitation light, a wavelength converter including a reflection layer and a wavelength conversion layer that is provided on the light incident side of the reflection layer and converts the excitation light in terms of wavelength into wavelength converted light having a wavelength band different from that of the excitation light, a first optical element that causes the excitation light from the light source to be incident on the wavelength converter, and a second optical element that is disposed in the optical path between the light source and the wavelength converter and causes at least part of reflected light of the excitation light reflected off the wavelength converter to exit toward the wavelength converter.

Abstract: An illuminator includes a light source that outputs first light, a wavelength converter that converts the first light into second light, an optical element that reflects the first light toward the wavelength converter and transmits the second light, and an illumination system which is disposed on the opposite side of the optical element from the wavelength converter. The wavelength converter includes a substrate, a reflection layer facing a first surface of the substrate, a wavelength conversion layer having a second surface and facing the reflection layer, and a structural element facing the second surface and having a plurality of protrusions that reflect part of the first light. The plurality of protrusions each have an inclining surface that inclines with respect to the second surface, and at least part of the first light and reflected off the inclining surface enters the illumination system without traveling via the optical element.

Abstract: A novel catalyst constituent material for combustion gas purification, which has an extremely good ratio of contact between each catalyst metal particle and an exhaust gas; and catalyst device which uses this catalyst constituent material for combustion gas purification; and a method for producing this catalyst constituent material for combustion gas purificaton. The catalyst constituent obtained by mixing catalyst metal particles and a pore-forming material that disappears at high temperatures into a catalyst supporting material which is a slurry containing fine ceramic particles. The pore-forming material also contains long fibers of cellulose nanofibers and/or short fibers of cellulose nanofibers.

Abstract: A projector including an exterior enclosure, a light source apparatus, a light modulator, a projection optical apparatus, a plurality of detection light radiators that radiate detection light used to detect a pointing element onto a projection area, an imager that receives light that belongs to a wavelength region including the wavelength of the detection light to capture an image of the projection area, and a position detector that detects the position of the pointing element in the projection area based on the image captured by the imager, wherein the plurality of detection light radiators are arranged in different positions on the exterior enclosure, the plurality of detection light radiators include a first detection light radiator, and the first detection light radiator is so configured that a distance therefrom to another detection light radiator out of the plurality of detection light radiators is changeable.

Abstract: A light source device is provided with a blue laser emitting element, a red laser emitting element, a phosphor, a polarization split element having a polarization split function with respect to blue light and red light, and a diffusion element. The blue light emitted from the blue laser emitting element enters the polarization split element to be split into a first blue polarization component and a second blue polarization component. The first blue polarization component enters the diffusion element to turn to blue diffused light. The phosphor is excited by the second blue polarization component to emit fluorescence, and the red light emitted from the red laser emitting element enters the diffusion element to be diffusely transmitted to turn to red diffused light. The blue diffused light, the red diffused light and a part of the fluorescence are combined with each other, and then emitted from the polarization split element.

Abstract: An illumination device includes a blue laser emitting element, a red laser emitting element, a diffusely reflecting element configured to diffuse and reflect a part of light from the blue laser emitting element, a phosphor, a bandpass filter provided to the phosphor to transmit light from the red laser emitting element, a polarization splitting/combining element having a polarization split function, and a first wave plate disposed between the polarization splitting/combining element and the diffusely reflecting element. The polarization splitting/combining element guides a blue first polarization component to the diffusely reflecting element and guides a blue second polarization component to the phosphor. Then, the polarization splitting/combining element combines the fluorescence, the light from the red laser emitting element entering a second surface of the phosphor and then emitted from a first surface, and blue diffused light with each other to generate illumination light.

Abstract: A light source device is provided with a blue laser emitting element, a red laser emitting element, a phosphor, a polarization split element having a polarization split function with respect to blue light and red light, and a diffusion element. The blue light emitted from the blue laser emitting element enters the polarization split element to be split into a first blue polarization component and a second blue polarization component. The first blue polarization component enters the diffusion element to turn to blue diffused light. The phosphor is excited by the second blue polarization component to emit fluorescence, and the red light emitted from the red laser emitting element enters the diffusion element to be diffusely transmitted to turn to red diffused light. The blue diffused light, the red diffused light and a part of the fluorescence are combined with each other, and then emitted from the polarization split element.

Abstract: An illumination device includes a blue laser emitting element, a red laser emitting element, a diffusely reflecting element configured to diffuse and reflect a part of light from the blue laser emitting element, a phosphor, a bandpass filter provided to the phosphor to transmit light from the red laser emitting element, a polarization splitting/combining element having a polarization split function, and a first wave plate disposed between the polarization splitting/combining element and the diffusely reflecting element. The polarization splitting/combining element guides a blue first polarization component to the diffusely reflecting element and guides a blue second polarization component to the phosphor. Then, the polarization splitting/combining element combines the fluorescence, the light from the red laser emitting element entering a second surface of the phosphor and then emitted from a first surface, and blue diffused light with each other to generate illumination light.

Abstract: A projector including an exterior enclosure, a light source apparatus, a light modulator, a projection optical apparatus, a plurality of detection light radiators that radiate detection light used to detect a pointing element onto a projection area, an imager that receives light that belongs to a wavelength region including the wavelength of the detection light to capture an image of the projection area, and a position detector that detects the position of the pointing element in the projection area based on the image captured by the imager, wherein the plurality of detection light radiators are arranged in different positions on the exterior enclosure, the plurality of detection light radiators include a first detection light radiator, and the first detection light radiator is so configured that a distance therefrom to another detection light radiator out of the plurality of detection light radiators is changeable.

Abstract: A lighting apparatus used for a projection type display is provided, which can change the incident ray volume to an optical modulation device without changing the optical output intensity of the lamp, and can exhibit excellent effects in expressive power of an image and adaptability to the use environment. The lighting apparatus of the present invention comprises; a light source, two fly-eye lenses constituting a uniform lighting device, and a shading plate arranged between these fly-eye lenses and constituting a dimming device for adjusting the amount of light of the outgoing light from the light source. The angle of inclination of the shading plate is controlled based on an image signal supplied to the optical modulation device, thereby enabling adjustment of the amount of light.

Abstract: A method for producing an olefin oligomer mixture comprising: feeding a raw olefin oligomer mixture to a first evaporator; feeding a residue which is taken out from the first evaporator to a second evaporator, and returning a distillate which is distilled from the second evaporator to the first evaporator; taking a distillate out from the first evaporator; feeding a residue which is taken out from the second evaporator to a third evaporator; and taking a distillate out from the third evaporator.

Abstract: A light-emitting body of rapid speed of response and high light emission intensity, and an electron beam detector, scanning electron microscope and mass spectroscope using this are provided. In the light-emitting body 10 according to the present invention, when fluorescence is emitted by a nitride semiconductor layer 14 formed on one face 12a of a substrate 12 in response to incidence of electrons, at least some of this fluorescence is transmitted through this substrate 12, whereby that fluorescence is emitted from the other face 12b of the substrate. The response speed of this fluorescence is not more than ?sec order. Also, the intensity of emission of this fluorescence is almost identical to that of a conventional P47 phosphor. Specifically, with this light-emitting body 10, a response speed and light emission intensity are obtained that are fully satisfactory for application to a scanning electron microscope or mass spectroscope.

Abstract: A light-emitting body of rapid speed of response and high light emission intensity, and an electron beam detector, scanning electron microscope and mass spectroscope using this are provided. In the light-emitting body 10 according to the present invention, when fluorescence is emitted by a nitride semiconductor layer 14 formed on one face 12a of a substrate 12 in response to incidence of electrons, at least some of this fluorescence is transmitted through this substrate 12, whereby that fluorescence is emitted from the other face 12b of the substrate. The response speed of this fluorescence is not more than ?sec order. Also, the intensity of emission of this fluorescence is almost identical to that of a conventional P47 phosphor. Specifically, with this light-emitting body 10, a response speed and light emission intensity are obtained that are fully satisfactory for application to a scanning electron microscope or mass spectroscope.

Abstract: A light-emitting body of rapid speed of response and high light emission intensity, and an electron beam detector, scanning electron microscope and mass spectroscope using this are provided. In the light-emitting body 10 according to the present invention, when fluorescence is emitted by a nitride semiconductor layer 14 formed on one face 12a of a substrate 12 in response to incidence of electrons, at least some of this fluorescence is transmitted through this substrate 12, whereby that fluorescence is emitted from the other face 12b of the substrate. The response speed of this fluorescence is not more than ?sec order. Also, the intensity of emission of this fluorescence is almost identical to that of a conventional P47 phosphor. Specifically, with this light-emitting body 10, a response speed and light emission intensity are obtained that are fully satisfactory for application to a scanning electron microscope or mass spectroscope.