Kyocera Corporation

Eri Takeuchi

Noritaka Niino

Hiroki Okada

Hiroyuki Minagawa

Tomoyoshi Akashi

An illumination apparatus includes a housing, a first light source, and a first lens optical system. The housing includes an opening. The first light source includes a first emission portion to emit first light into an internal space of the housing. The first lens optical system includes at least one first lens between the first emission portion and the opening in the housing on a path of the first light. The first lens optical system forms an image of the first light from the first emission portion on an imaginary image plane adjacent to the opening and causes the first light to be emitted through the opening. An angle defining a numerical aperture of the first lens optical system is greater than a divergence angle of the first light from the first emission portion.

Illumination apparatus

An illumination apparatus includes a housing, a first light source, a first lens optical system, and a shield. The housing includes a first opening. The first lens optical system includes at least one first lens between a first emission portion of the first light source and the first opening in the housing on a first light path. The first lens optical system forms an image of the first light from the first emission portion on an imaginary image plane adjacent to the first opening and causes the first light to be emitted through the first opening. The shield includes a second opening to allow passage of the first light. The first light is partially incident on the shield. Two outermost beams of the first light on the first emission portion form a smaller angle after passing through the second opening in the shield than before passing through the second opening.

An electromagnetic wave detection apparatus () includes a separation unit () configured to separate and propagate incident electromagnetic waves in a plurality of directions, a first detector () configured to detect separated first electromagnetic waves at a first frequency, and a second detector () configured to detect second electromagnetic waves separated in a different direction than the first electromagnetic waves at a second frequency lower than the first frequency and to change an amplification factor of a detection signal in accordance with a detection result of the first detector.

Electromagnetic wave detection apparatus and information acquisition system

An electromagnetic wave detection apparatusincludes a wavelength separatorhaving a transmittance of electromagnetic waves in a first wavelength band larger than a transmittance of electromagnetic waves in a wavelength band other than the first wavelength band, a wavelength selectorhaving a transmittance of electromagnetic waves in a second wavelength band larger than a transmittance of electromagnetic waves in a wavelength band other than the second wavelength band, and a first detectorconfigured to detect electromagnetic waves progressing via the wavelength separatorand the wavelength selector. The first wavelength band and the second wavelength band partially overlap with each other.

A wavelength converter emits light in response to laser light emitted from a light emitter. The wavelength converter includes a surface including a first area to directly receive the laser light from the light emitter, and a second area located on a member. The light emitted from the wavelength converter includes a first component emitted directly from the wavelength converter and input directly into the light receiver, and a second component emitted from the second area, reflected from the member, and input into the light receiver. The member includes a surface including a third area to receive the second component. The third area has a reflectance for the light greater than a reflectance of the wavelength converter for the light in the second area.

Optical connector

An electromagnetic wave detection apparatus causes electromagnetic waves incident on a reference surface to propagate in a particular direction using each of the pixels, a detector to detect electromagnetic waves incident on a detection surface, and a second propagation unit that includes a first surface opposing the reference surface, a second surface opposing the detection surface, and a third surface intersecting the first and second surface. The third surface causes electromagnetic waves propagating in a first direction to propagate in a second direction. The first surface causes electromagnetic waves propagating in a second direction to be incident on the reference surface and causes electromagnetic waves re-incident from the reference surface to propagate in a third direction. The third surface causes electromagnetic waves propagating in the third direction to propagate in a fourth direction. The second surface emits electromagnetic waves propagating in the fourth direction to the detection surface.

An electromagnetic wave detection apparatus () includes a separation unit (), first detector (), propagation unit (), second detector (), and blocker (). The separation unit () separates electromagnetic waves propagating in a first direction (d) and propagates the electromagnetic waves in a second direction (d) and a third direction (d). The first detector () detects electromagnetic waves propagated in the second direction (d). The propagation unit () includes pixels (px) along a reference surface (ss). The propagation unit () switches the propagation direction of electromagnetic waves propagated in the third direction (d) and incident on the reference surface (ss) between a fourth direction (d) and a fifth direction (d) at each pixel (px). The second detector () detects the electromagnetic waves propagated in the fourth direction (d). The blocker () blocks at least a portion of the electromagnetic waves propagated in the fifth direction (d).

An electromagnetic wave detection apparatusincludes a first propagation unit, a second propagation unit, a first detector, and a second detector. The first propagation unitpropagates electromagnetic waves incident on a reference surface ss in a particular direction using each pixel px. The second propagation unitincludes a first surface s, a second surface s, a third surface s, a fourth surface s, a fifth surface s, and a sixth surface s. The first surface spropagates electromagnetic waves incident from a first direction in a second direction and propagates electromagnetic propagated in a third direction in a fourth direction. The second surface sseparates electromagnetic waves propagated in the second direction dand propagate electromagnetic waves in a third direction dand a fifth direction d. The first detectordetects electromagnetic waves emitted from the third surface s. The second detectordetects electromagnetic waves emitted from the sixth surface s

A photoconversion device includes a holder, a wavelength converter, and an optical element. The holder holds an output portion that outputs excitation light. The wavelength converter includes an incident surface section including a protruding surface to receive the excitation light from the output portion and emits fluorescence in response to the excitation light incident on the incident surface section. The optical element includes a focal point surrounded by the incident surface to direct the fluorescence emitted by the wavelength converter in a predetermined direction.

Photoconversion device and illumination system

An electromagnetic wave detection apparatus comprises a first image formation unit, a travel unita second image formation unit, and a first detector. The travel unitincludes a plurality of pixels px arranged along a reference surface. The electromagnetic wave detection apparatus has at least one of: an arrangement in which respective extension surfaces of the reference surface and a detection surface of the first detector intersect each other and a main axis of the second image formation unit intersects the reference surface and the detection surface of the first detector; and an arrangement in which respective extension surfaces of the reference surface and an object surface of the first image formation unit whose spacing to the travel unit is set and whose image surface is the reference surface intersect each other and a main axis of the first image formation unit intersects the reference surface.

An electromagnetic wave detection apparatus () includes a first propagation unit (), second propagation unit (), first detector (), and second detector (). The first propagation unit () propagates electromagnetic waves incident on a reference surface (ss) in a particular direction at each pixel (px). The second propagation unit () includes first through sixth surfaces (sto s). The second surface (s) separates electromagnetic waves propagated in a second direction (d) and propagates the electromagnetic waves in a third direction (d) and fourth direction (d). The fourth surface (s) emits electromagnetic waves propagated in the fourth direction (d) towards the reference surface (ss) and propagates electromagnetic waves incident again from the reference surface (ss) in a fifth direction (d). The first detector () detects electromagnetic waves emitted from the third surface (s). The second detector () detects electromagnetic waves emitted from the sixth surface (s).

An electromagnetic wave detection apparatusincludes a first image forming unit, a prismhaving a fourth surface sfor emitting electromagnetic waves incident from the first image forming unit, a progression unitthat includes a plurality of pixels arranged along a reference surface and is configured to cause electromagnetic waves incident on the reference surface from a fourth surface sto progress in a particular direction using each of the pixels, and a first detectorconfigured to detect electromagnetic waves progressing in the particular direction. The prismincludes a reflection suppressorthat is provided at a position out of a progression path of electromagnetic waves incident from the first image forming unitto be detected by the first detector

Growing community of inventors

Yokohama, Japan

Eri Takeuchi