Abstract: Provided is an optical device. The optical device includes a lower electrode, a lower cladding on the lower electrode, a first input waveguide, a second input waveguide, a first distribution part, a first output waveguide, a second output waveguide, a second distribution part, a first core, and a second core on the lower cladding, an upper cladding covering the first and second cores, and an upper electrode on the upper cladding. The first input waveguide, the second input waveguide, the first core, and the second core are connected to the first distribution part. The first output waveguide, the second output waveguide, the first core, and the second core are connected to the second distribution part.

Abstract: Disclosed is a quantum router including a photon pair generation device that generates a deterministic entangled photon pair, a polarization adjustment device that converts and outputs a polarization state of the deterministic entangled photon pair, a multiplexing device that outputs first indistinguishable photons through first paths and outputs second indistinguishable photons through second paths, by performing double multiplexing on the output of the polarization adjustment device, and a control device that receives the second indistinguishable photons through the second paths. The first indistinguishable photons are transmitted to a plurality of nodes through the first paths. The control device is further configured to provide a quantum communication channel for two nodes among the plurality of nodes by performing bell-state measurement on two of the second indistinguishable photons.

Abstract: Disclosed is a fluid monitoring apparatus. The fluid monitoring apparatus includes a chamber configured to store a fluid, a resonator in the chamber, a light source disposed on the chamber and configured to provide pump light to the resonator, a detector configured to detect laser light generated in the resonator, and a control unit connected to the detector and the light source and configured to identify a physical quantity in the fluid by detecting a resonance wavelength of the laser light using a detection signal of the laser light.

Abstract: Provided is an optical coupling structure. The optical coupling structure includes an optical waveguide arranged in one direction, a light-emitting device provided on the optical waveguide to generate light, and a resonator provided below the light-emitting device and provided at one side of the optical waveguide to transmit the light to the optical waveguide.

Abstract: This printing paper cutting device for a printer is installed on a printer so as to cut printing papers which have finished printing, and comprises: a fixed blade (51) fixed to the printer (1); and a movable blade (52) installed on the printer to be able to reciprocate such that same moves toward the fixed blade by means of a driving means, thereby cutting printing papers while overlapping the fixed blade. The fixed blade (51) comprises: a plate-shaped fixed blade body portion (511) fixed to the printer (1); an inclined portion (513) inclined from the plane of the fixed blade body portion (511); and a fixed blade cutter portion (512) formed along the front end of the inclined portion (513). The movable blade (52) comprises: a plate-shaped movable blade body portion (521) installed on the printer (1); an inclined portion (523) inclined from the plane of the movable blade body portion (521); and a movable blade cutter portion (522) formed along the front end of the inclined portion (523).

Abstract: A camera actuator is provided. The camera actuator according to an embodiment of the present invention comprises: a housing; and AF carrier which is mounted in the housing and moves in an optical-axis direction; an OIS carrier which is mounted in the AF carrier and moves in a direction perpendicular to the optical-axis direction; a first ball member which is disposed between the inner surface of the housing and the outer surface of the AF carrier to assist in the movement of the AF carrier; a second ball member which is disposed between the AF carrier and the OIS carrier to assist in the movement of the OIS carrier; and an OIS damper which is disposed between the inner surface of the AF carrier and the outer surface of the OIS carrier so as to reduce the impact generated between the AF carrier and the OIS carrier.

Abstract: The present disclosure relates to a dishwasher.

Abstract: A dishwasher includes a tub, a sump, a wash pump, a rack, a nozzle disposed at a lower end of the rack, the nozzle being rotated by a force of wash water supplied from the wash pump and having a magnetic object coupled to one end of the nozzle so that a first pole and a second pole of the magnetic object face a rotation direction of the nozzle, a sensing module that senses a magnetic force generated by the magnetic object, and a controller receiving sensing results from the sensing module, and determining one or more of a rotation direction of the nozzle, a rotation speed of the nozzle, or whether the nozzle rotates, to output an abnormality notification to a user or control wash water supplied to the nozzle through the wash pump.

Abstract: Provided is an optical coupling module. The optical coupling module includes a light source configured to output an optical signal, an optical module configured to convert the optical signal into a light sheet, and a planar optical waveguide on a substrate, wherein the planar optical waveguide includes an input waveguide provided to one end portion of the planar optical waveguide, the light sheet includes input light that is incident between an upper surface and lower surface of an incidence surface of the input waveguide, and a thickness of the input light of the light sheet is less than a horizontal width of the input light of the light sheet.

Abstract: The present disclosure relates to a dishwasher. The dishwasher according to an embodiment comprises: a tub having a washing room, in which an object to be washed is accommodated, formed therein; a nozzle which is arranged in the washing room and sprays washing water to the object to be washed, and includes a magnetic body at one end thereof; a coil which his formed to surround a region corresponding to a movable range of the nozzle, and through which an electric current flows according to the rotation of the nozzle; and a controller which controls an operation of the nozzle according to an operation command, and determines an operating status of the nozzle on the basis of a value of the voltage generated in the coil.

Abstract: Provided is a device for amplifying and detecting a gene. The device for amplifying and detecting the gene includes a gene amplification chip comprising channels through which a sample flows and transparent heaters provided on the gene amplification chip. The channels include a first channel, a second channel, and a third channel, and the first to third channels have a triangular loop structure, and the transparent heaters include a first transparent heater, a second transparent heater, and a third transparent heater, which are respectively provided on the first to third channels.

Abstract: Disclosed are a quantum light source device and an optical system including the same. The quantum light source device includes a substrate, a buffer layer provided on the substrate, and an optical waveguide layer provided on the buffer layer and including a signal waveguide and a resonant waveguide adjacent to one side of the signal waveguide. The resonant waveguide includes a periodic polarization inversion structure having a plurality of polarizations periodically inverted.

Abstract: The present invention relates to a two-coat coating system comprising an undercoat coating composition and a topcoat coating composition, wherein the undercoat coating composition is a powder coating composition that comprises a bisphenol A type epoxy resin, an epoxy toughening agent, a hardener, and a foaming agent, and does not contain zinc, and the topcoat coating composition is a powder coating composition that comprises a bisphenol A type epoxy resin, an epoxy toughening agent, a hardener, a foaming agent, and an extender pigment having an average particle size of 10 ?m or more, and the two-coat coating system exhibits excellent corrosion resistance, impact resistance, chipping resistance, hardness, thick-coated film pinhole stability, and coating efficiency.

Abstract: An opening and closing device, which opens and closes a glove box includes a housing coupled to the glove box, a handle rotatably mounted on the housing, a locking unit mounted so as to be movable in directions of releasing the glove box from the dashboard of a vehicle, a link rod configured to connect the handle and the locking unit to each other and to move in a height direction of the locking unit when a user rotates the handle, and an elastic member configured to apply force to the locking unit so that the locking unit is engaged with engaged parts of the dashboard, and the locking unit is movable in a length direction of the locking unit in a state of being interlocked with the link rod so that the locking unit is released from the engaged parts of the dashboard.

Abstract: Provided is a PCR tube including: an outer tube configured to provide a first space having a blocked lower portion; and an inner tube inserted to the first space. Here, the inner tube includes: an inner tube body configured to provide a second space; and a spiral structure protruding from a side surface of the inner tube body to the outside of the inner tube body, and a micro-channel is defined by the outer tube, the inner tube body, and the spiral structure in a state in which the inner tube is inserted into the first space.

Abstract: Provided is a biosensor. The biosensor includes a substrate, an optical structure provided on the substrate, and a cover provided on the substrate and having a bridge shape that is in contact with a top surface of the substrate at both sides of the optical structure. The cover has a channel extending in a first direction, the optical structure is provided inside the channel, and the optical structure is configured to capture biomaterials that travel through the channel.

Abstract: Provided are a fluorescence generating device and a digital PCR analysis system including the same. The fluorescence generating device includes a clad layer on a substrate, an optical waveguide arranged in a first direction within the clad layer, and a housing which is disposed on the optical waveguide and the clad layer and has a micro fluid channel extending in a second direction. The optical waveguide includes an input waveguide which is provided within one side of the clad layer and provides excitation light to a liquid drop within the micro fluid channel to generate fluorescent light, and an output waveguide which is provided within the other side of the clad layer and has an output inclined surface that reflects the fluorescent light.

Abstract: Provided is a biosensor device. The biosensor device includes a light source configured to generate source light, a photodetector configured to detect the source light, and a sample box accommodating a biomaterial that receives the source light to generate structured light beam from the source light. The sample box may include a substrate, a spacer on an edge of the substrate, a cover plate on the spacer, and a lower metamaterial pattern disposed on a top surface of the substrate.

Abstract: A method performed by a biosystem comprising a biosensor kit and a biosensor kit analyzer is disclosed. According to an embodiment of the present disclosure, a method performed by a biosystem may include injecting a solution sample into the biosensor kit, the biosensor kit including a biosensor equipped with at least one metasurface element, based on the biosensor kit being inserted into the biosensor kit analyzer, injecting incident light into a lower region of the at least one metasurface element by the biosensor kit analyzer; obtaining a pattern image of output light changed by the at least one meta-surface element; obtaining, by the biosensor kit analyzer, a presence or absence and amount of biomaterial on the solution sample by inputting the pattern image into a pre-trained artificial intelligence model; and displaying the presence or absence and amount of the biomaterial on the solution sample.

Abstract: Provided is a biomaterial removing device including an air injection part, a first processing part spaced apart from the air injection part, and a second processing part spaced apart from the air injection part with the first processing part therebetween, wherein the first processing part includes a first biomaterial removing part configured to remove biomaterials included in air collected from the air injection part and a first monitoring part, and the second processing part includes a second biomaterial removing part configured to remove the residual biomaterials and a second monitoring part, wherein the first biomaterial removing part includes a dry air purifier, the second biomaterial removing part includes a wet air purifier, and the first biomaterial removing part and the second biomaterial removing part each include an image sensor.