Abstract: A quantum simulator includes a chamber, a light beam generation apparatus, and a photodetector. The light beam generation apparatus includes a light source, a spatial light modulator, and a lens. Each of pixels of the spatial light modulator has a rectangular shape with a side parallel to a first direction or a second direction, and the pixels are arranged at regular intervals along the first direction and the second direction. When an xy coordinate system including an x axis parallel to the first direction and a y axis parallel to the second direction is set on an image plane, the light beam generation apparatus forms and regularly arranges focusing spots such that a minimum value of a difference between x coordinate values and a minimum value of a difference between y coordinate values of center positions of the focusing spots are longer than a non-overlapping distance.

Abstract: In a light detection device, a circuit substrate includes a plurality of signal processing units which process a detection signal output from a corresponding pixel. Light-receiving regions of a plurality of avalanche photodiodes are two-dimensionally arranged for every pixel. In each of the signal processing units, a timing measurement unit measures timing at which light is incident on a corresponding pixel, based on the detection signal. An energy measurement unit measures energy of light incident on a corresponding pixel, based on the detection signal. A storage unit stores a measurement result in the timing measurement unit and the energy measurement unit. A light detection region where a plurality of the pixels are provided and a signal processing region where a plurality of the signal processing units are provided overlap each other at least at a part.

Abstract: A spectroscopic module includes a plurality of beam splitters that are arranged along an X direction; a plurality of bandpass filters disposed on one side in a Z direction with respect to the plurality of beam splitters facing the plurality of beam splitters, respectively; a light detector disposed on the one side in the Z direction with respect to the plurality of bandpass filters and including a plurality of light receiving regions facing the plurality of bandpass filters, respectively; a first support body supporting the plurality of beam splitters; and a second support body supporting the plurality of bandpass filters. The second support body includes a support portion in which a support surface is formed so as to be open to the one side in the Z direction. The plurality of bandpass filters are disposed on the support surface.

Abstract: A fiber laser device includes a first optical fiber, a second optical fiber, and a third optical fiber configured by polarization maintaining fibers. The first optical fiber includes at least one first part and at least two second parts alternatively disposed with the first part. The first part and the second part adjacent to each other are connected to each other such that a fast axis of the first part coincides with a slow axis of the second part at a connection point. A total length of the first part is equal to a total length of the second parts. A mode field diameter of the first optical fiber is smaller than each of a mode field diameter of the second optical fiber and a mode field diameter of the third optical fiber.

Abstract: An exposure unit is used in order to expose a gas-phase substance to a cell in a buffer solution. The exposure unit includes a base body. The base body has a groove formed in the base body so as to be exposed to an outside and retaining the cell together with the buffer solution, and a first storage portion connected to one end of the groove and storing the buffer solution to be supplied to the groove.

Abstract: A first terminal is connected to a first electrode of an APD. First and second circuit units and are connected in parallel with each other to a second electrode of the APD. A second terminal is connected to the second electrode via the first circuit unit. A third terminal is connected to the second electrode via the second circuit unit. A first switch, a resistor, the second electrode, and the second terminal are connected in series with each other. A second switch and a capacitor are connected in parallel with each other to the second electrode. The second switch, the second electrode, and a third terminal are connected in series with each other. A TIA is connected in series with the capacitor and is connected to the second electrode via the capacitor.

Abstract: A three-dimensional measurement device includes a plurality of light source units configured to irradiate the object to be measured with measurement light having predetermined patterns, an image capture unit configured to capture an image of the object to be measured which is irradiated with the measurement light, and a measurement unit configured to measure a three-dimensional shape of the object to be measured based on results of image capture performed by the image capture unit. The predetermined patterns of the measurement light include stripe patterns, respectively. The stripe patterns radiated from the plurality of light source units have respective patterns different from each other. The plurality of light source units are arrayed in a direction parallel to stripes in the stripe patterns. The measurement unit measures the three-dimensional shape of the object to be measured based on a three-dimensional shape measurement method using the stripe pattern.

Abstract: An optical device includes: a base that includes a main surface; a movable unit that includes an optical function unit; and an elastic support unit that is connected between the base and the movable unit, and supports the movable unit so that the movable unit is movable along a first direction perpendicular to the main surface. The elastic support unit includes a lever, a first torsion support portion that extends along a second direction perpendicular to the first direction and is connected between the lever and the movable unit, and a second torsion support portion that extends along the second direction and is connected between the lever and the base. A torsional spring constant of the first torsion support portion is greater than a torsional spring constant of the second torsion support portion.

Abstract: A plasma chamber for a UV light source includes a plasma generation region that defines a plasma confinement region. A port is positioned adjacent to a side of the plasma generation region that allows generated light to pass out of the chamber. A high voltage region is coupled to the plasma generation region. A grounded region is coupled to the high voltage region that defines an outer surface configured to be coupled to the ground and is dimensioned for receiving a surrounding inductive core. A width of the high voltage region is greater than the width of the grounded region.

Abstract: An actuator device includes a support part, a first movable part, and a second movable part. The second movable part includes a pair of first connection portions positioned on both sides of the first movable part on a first axis and connected to a pair of first connecting parts, a pair of second connection portions positioned on both sides of the first movable part on a second axis and connected to a pair of second connecting parts, and a pair of first portions. One of the first portions is connected to one of the first connection portions and one of the second connection portions and extends in a inclined direction, and the other of the first portions is connected to the other of the first connection portions and the one of the second connection portions and extends in a inclined direction.

Abstract: A sample support body is a sample support body for ionizing a sample, including: a substrate having an irregular porous structure formed to communicate a first surface and a second surface opposite to each other; and a conductive layer provided at least on the first surface.

Abstract: An optical difference detector includes a first APD and a second APD, a first voltage application unit that applies a first bias voltage to the first APD and a second voltage application unit that applies a second bias voltage to the second APD, a differential amplifier that is connected in parallel to the first APD and the second APD and amplifies a difference between a first signal current output from the first APD and a second signal current output from the second APD, and a feedback control unit that controls the second bias voltage so that a low frequency component of a first monitoring current in the first APD and a low frequency component of a second monitoring current in the second APD are equal.

Abstract: A fiber structure includes first and second optical fibers disposed such that end portions thereof butt, a sheet-shaped saturable absorber including a carbon nanotube and disposed between the end portion of the first optical fiber and the end portion of the second optical fiber, and a housing internally accommodating the end portion of the first optical fiber and the end portion of the second optical fiber. A space in the housing including the saturable absorber is airtight.

Abstract: A solid-state imaging device includes M pixel units to and a correction unit. The pixel unit includes a main amplifier, a capacitive element, a first switch, a second switch, a photodiode, a feedback capacitive element, and an initialization switch. The correction unit includes a null amplifier, a capacitive element, a first switch, and a second switch. An effective offset voltage of the main amplifier is small.

Abstract: An optical device includes an elastic support portion which includes a torsion bar which extends along a second direction perpendicular to a first direction and a nonlinearity relaxation spring which is connected between the torsion bar and a movable portion. The nonlinearity relaxation spring is configured so that a deformation amount of the nonlinearity relaxation spring around the second direction is smaller than a deformation amount of the torsion bar around the second direction and a deformation amount of the nonlinearity relaxation spring in a third direction perpendicular to the first direction and the second direction is larger than a deformation amount of the torsion bar in the third direction while the movable portion moves in the first direction. A comb electrode is disposed along an outer edge of the movable portion.

Abstract: A mirror device includes a support portion, a movable portion, and a pair of torsion bars disposed on both sides of the movable portion on a first axis. The movable portion includes a frame-shaped frame connected to the pair of torsion bars and a mirror unit disposed inside the frame. The mirror unit is connected to the frame in each of a pair of connection regions located on both sides of the mirror unit in a direction parallel to a second axis. A region other than the pair of connection regions in a region between the mirror unit and the frame is a space. An outer edge of the mirror unit and an inner edge of the frame are connected to each other so that a curvature in each of the pair of connection regions is continuous when viewed from a direction perpendicular to the first and the second axes.

Abstract: A catheter kit includes a catheter having an optical fiber, and a catheter accommodating tool which accommodates the catheter. The catheter accommodating tool has a tubular hoop, and a position adjustment mechanism provided at the hoop. The hoop has a hoop tip end portion at which a catheter tip end portion, from which laser light transmitted through the optical fiber is emitted, is disposed, and a hoop base end portion which is opposite to the hoop tip end portion. The position adjustment mechanism is provided at the hoop base end portion and changes a position of the catheter tip end portion with respect to the hoop tip end portion.

Abstract: An optical apparatus includes an optical system for outputting parallel light, and an angle filter disposed on an optical path of the parallel light output from the optical system. The angle filter includes a dielectric multilayer film in which dielectric layers having a first refractive index n1 and dielectric layers having a second refractive index n2 lower than the first refractive index n1 are alternately stacked.

Abstract: A laser irradiation head includes: a semiconductor laser module including a semiconductor laser element and a lens; a heat sink having a flow path of a refrigerant; and a first pipe connector that a first pipe for supplying the refrigerant to the flow path is attachable to and detachable from. The heat sink has an outer surface including a first area and a second area being in a relationship of intersecting with the first area, the semiconductor laser module is screwed to the heat sink in the first area, and the first pipe connector is screwed to the heat sink in the second area.

Abstract: The present invention relates to a method for diagnosing a pancreatic function, including: a step of administering a diagnostic agent for a pancreatic function which contains a compound represented by General Formula (1-0) as an active component to a subject; a step of detecting the compound (1-0) accumulated in the pancreas; and a step of quantitatively analyzing an amount of compound (1-0) accumulated in the pancreas. [In General Formula (1-0), R represents —O(CH2)n—, —O(CH2)nOC2H4—, —CH2O(CH2)n—, or —CH2O(CH2)nOC2H4—, n represents an integer of 1 to 5, and Q1 represents F or —OCH3].