Abstract: A detection apparatus includes: an alignment microscope that captures an image of a mask mark and an image of a workpiece mark; and a position detector that detects a position of the mask mark and a position of the workpiece mark on the basis of those images. The alignment microscope includes an imaging unit, a beam splitter that splits each of the first light and the second light, and one or more aberration correction lenses. The beam splitter includes first and second members connected to each other with a light-splitting surface being sandwiched therebetween. All of first and second incident surfaces and emission surfaces are configured to have different surface directions with respect to the light-splitting surface. The one or more aberration correction lenses includes a first aberration correction lens disposed in a first optical path and a second aberration correction lens disposed in a second optical path.

Abstract: In a nitride semiconductor laser element, a first epilayer including an active layer, a current confinement layer having an opening portion, and a second epilayer are formed on a semiconductor substrate. The first epilayer has an impurity concentration maximum portion where a concentration distribution of an impurity in a depth direction shows a local maximum near an interface with the current confinement layer.

Abstract: A light source device includes: a lighting circuit that includes a direct-current power source, a transformer, and a switching element, and generates electromotive force in a secondary winding of the transformer in accordance with switching of an ON state and an OFF state of the switching element; a dielectric barrier discharge lamp that is connected to the secondary winding of the transformer, and a controller that performs ON/OFF control on the switching element. The controller performs: a starting mode for repeating ON/OFF control on the switching element at a predetermined frequency at a time of starting; and a steady-state operation mode for alternately performing first control and second control after the dielectric barrier discharge lamp has been started, the first control being performed to repeat ON/OFF control on the switching element at the predetermined frequency, the second control being performed to maintain the switching element in the OFF state.

Abstract: Provided are an antibacterial composition, an antibacterial method, an antibacterial agent, a cosmetic, and a dermatological topical agent, that can selectively inhibit Staphylococcus aureus as compared with Staphylococcus epidermidis. Provided are an antibacterial composition production method including a step of producing a free fatty acid group by simple lipid and Staphylococcus epidermidis, an antibacterial composition obtained by the production method, an antibacterial composition containing a free fatty acid group derived from Staphylococcus epidermidis, an antibacterial method including a step of inhibiting Staphylococcus aureus by the antibacterial composition, an antibacterial agent containing the antibacterial composition, a cosmetic containing the antibacterial composition, and a dermatological topical agent containing the antibacterial composition.

Abstract: A light source device includes a plurality of LEDs, a collimating optical system disposed corresponding to the plurality of LEDs, a condensing optical system that condenses light exiting from the collimating optical system, and a fly-eye integrator into which the light exiting from the condensing optical system is incident. Assuming that parallel light is defined as a virtual secondary light source, the parallel light being obtained from light traveling from a virtual primary light source disposed at a back focus position of the condensing optical system toward the condensing optical system with a maximum effective acceptance angle of the fly-eye integrator as a divergence angle and then passing through the condensing optical system, the virtual secondary light source has a width that substantially coincides with a width of a secondary light source determined according to a shape of a light exit surface of the collimating optical system.

Abstract: There is provided an inactivation method that inactivates harmful microorganisms and/or viruses existing in an enclosed space where a patient is transported and/or treated, and comprises: a first step of performing a wiping operation that wipes down a surface in the enclosed space with a sterilizing solution after transporting and/or treating the patient; a second step of irradiating, simultaneously with the first step, droplets that scatter from a wiping area of the surface during the wiping operation in the first step with ultraviolet light in a wavelength range between 190 nm and 235 nm as ultraviolet light having a wavelength that inactivates harmful microorganisms and/or viruses.

Abstract: Provided are an ultraviolet irradiation device that can effectively inactivate pathogens while ensuring safety for a human body, a method for using the irradiation device, and the ultraviolet irradiation method. The ultraviolet irradiation device according to the present invention includes: a light source that emits ultraviolet light having a main emission wavelength belonging to a range from 190 nm to 240 nm; a housing that accommodates the light source; an extraction part that extracts the ultraviolet light emitted from the light source to the outside of the housing; and a diverging optical system that enlarges a light distribution angle of the ultraviolet light passing through the extraction part.

Abstract: A culture vessel includes: a supply port to supply a liquid containing cells; a main flow path connected to the supply port; a culture space to culture the supplied cells, at least part of the culture space being located in the main flow path; a collection port to collect a liquid secretion from the cells cultured in the culture space; a communication path to allow the culture space and the collection port to communicate with each other; and a separation part to separate the cells and the liquid secretion, the separation part being located in the communication path so as to be adjacent to the culture space.

Abstract: The startability of an ultraviolet ray generation device including an excimer lamp as an ultraviolet light source is to be improved. An ultraviolet ray generation device includes: an excimer lamp having a discharge container in which a discharge gas is sealed; a first electrode body and a second electrode body that are disposed so as not to be exposed to the discharge gas; and a first conductor electrically connected to one of the first electrode body and the second electrode body. The first conductor faces the other electrode body or a second conductor electrically connected to the other electrode body, through a dielectric member. The first conductor causes an atmospheric discharge around the first conductor.

Abstract: A conveyance device supports and conveys an object. The conveyance device has a support portion in which an opening narrower than the object is provided at a position where the object is supported. A lighting device irradiates a first surface of the object with measurement light having a wavelength changing over time through the opening of the support portion. A light receiving device detects object light that is diffusely transmitted light emitted from a second surface of the object.

Abstract: Super continuum light having a continuous spectrum over at least 1100 to 1300 nm is emitted from a pulsed light source, is pulse-stretched by a stretching element such that a relationship between a wavelength and an elapsed time in one pulse is one to one, and is radiated to a product. The light transmitted through the product is received by a light receiver, and output data is input to the determination unit. A quality determination program of the determination unit calculates an absorption spectrum from the output data, quantifies the absorption spectrum by chemometrics, and compares the absorption spectrum with a reference value to determine quality. The product determined to be a defective product is excluded by an exclusion mechanism.

Abstract: A flash irradiation device includes: a light-emitting tube sealing a light-emitting gas inside; a pair of discharging electrodes being arranged distant from each other in the first direction; a reflecting member that is disposed on an opposite side of the light-emitting tube from the workpiece; a pair of trigger electrodes on an outer wall surface of the light-emitting tube or in a vicinity of the light-emitting tube, the pair of the trigger electrodes being arranged distant from each other in the first direction; a lighting circuit connected to the pair of the discharging electrodes, the lighting circuit being configured to supply electric power between the pair of the discharging electrodes; and a trigger circuit connected to the pair of the trigger electrodes, the trigger circuit configured to apply a voltage for starting lighting across the pair of the trigger electrodes.

Abstract: The startability of an ultraviolet ray generation device including an excimer lamp as an ultraviolet light source is to be improved. An ultraviolet ray generation device includes: an excimer lamp having a discharge container in which a discharge gas is sealed; a first electrode body and a second electrode body that are disposed so as not to be exposed to the discharge gas; and a first conductor electrically connected to one of the first electrode body and the second electrode body. The first conductor faces the other electrode body or a second conductor electrically connected to the other electrode body, through a dielectric member. The first conductor causes an atmospheric discharge around the first conductor.

Abstract: Provided is an ultraviolet light radiating device that can be operated after a short time even if placed in an environment in which stop time continues over an extended period of time. The ultraviolet light radiating device includes: an excimer lamp that emits ultraviolet light; a lighting circuit that applies a lighting voltage to the excimer lamp; and a controller that performs energization control for the lighting circuit. The controller performs control to energize the lighting circuit for a first predetermined time at a predetermined timing.

Abstract: A flash irradiation device includes: a light-emitting tube sealing a light-emitting gas inside; a pair of discharging electrodes being arranged distant from each other in the first direction; a reflecting member that is disposed on an opposite side of the light-emitting tube from the workpiece; a pair of trigger electrodes on an outer wall surface of the light-emitting tube or in a vicinity of the light-emitting tube, the pair of the trigger electrodes being arranged distant from each other in the first direction; a lighting circuit connected to the pair of the discharging electrodes, the lighting circuit being configured to supply electric power between the pair of the discharging electrodes; and a trigger circuit connected to the pair of the trigger electrodes, the trigger circuit configured to apply a voltage for starting lighting across the pair of the trigger electrodes.

Abstract: An illumination optical system that irradiates a target object with light from a light source unit includes an integrator optical system, a condenser lens, and a bandpass filter. The integrator optical system is disposed on an optical path of the light emitted from the light source unit and uniformizes an illuminance distribution of the light with which the target object is to be irradiated. The condenser lens includes a plurality of lenses and irradiates the target object with the light emitted from the integrator optical system. The bandpass filter is disposed between any two of the plurality of lenses included in the condenser lens.

Abstract: Provided is a lighting device with an inactivation function, the lighting device allowing the addition of an inactivation function while being equal to conventional lighting devices in device size. The lighting device with the inactivation function includes: a UVC light source to emit ultraviolet light having a peak wavelength in a wavelength range from 200 nm to 230 nm; an LED light source to emit visible light; a single unit of an AC/DC converter to convert an AC voltage derived from an external power source into a DC voltage and output the DC voltage; a UVC light source-specific circuit part to convert the DC voltage output from the AC/DC converter into a voltage for lighting the UVC light source; and an LED light source-specific circuit part to convert the DC voltage output from the AC/DC converter into a current for lighting the LED light source.

Abstract: Provided is a method capable of efficiently preparing a photoaged cell. Also provided is a novel cell marker that can be used for detection, quantification, or sorting out of a photoaged cell. The present disclosure includes a method for preparing a photoaged cell, including the step of: irradiating a cell with light having an emission peak within a wavelength range of 300 to 315 nm, and a method for detecting or quantifying a photoaged cell, including the step of: detecting or quantifying expression of at least one gene selected from the group consisting of GPR17, CD34, GABRR1, OR2AG2, CMKLR1, CDH19, CD93, AVPR2, CCR7, and OXGR1 in a cell.

Abstract: An apparatus for inactivating bacteria or viruses in a space, the apparatus includes a light source unit that emits ultraviolet light having a peak wavelength within a wavelength range of 190 nm or more and less than 240 nm, an irradiation region changing mechanism that changes an irradiation direction of the ultraviolet light of the light source unit, and a driving unit that drives the irradiation region changing mechanism to change the irradiation direction of the ultraviolet light of the light source unit.

Abstract: A semiconductor laser device includes an edge-emitting type first semiconductor laser element having a relatively short oscillation wavelength at a room temperature, and an edge-emitting type second semiconductor laser element having a relatively long oscillation wavelength at the room temperature. A difference in the oscillation wavelength at the room temperature between the first semiconductor laser element and the second semiconductor laser element is 20 nm or less. At least one of a film thickness, a refractive index, and a number of layers is different between reflective films on emitting edges of the first semiconductor laser element and the second semiconductor laser element. An emitting side reflectance of the first semiconductor laser element at an operating temperature upper limit is higher than an emitting side reflectance of the second semiconductor laser element at the operating temperature upper limit.