Abstract: An electromagnetic wave control element, with which a traveling direction of electromagnetic waves having a frequency of 0.1 to 0.3 THz can be switched in a short time. The electromagnetic wave control element is configured to have a liquid crystal layer in which an alignment state of a liquid crystal compound changes depending on a voltage, and a metasurface structure in which a plurality of microstructures are arranged, in this order, in which the liquid crystal layer includes an azo compound.

Abstract: An electromagnetic wave control element having a small variation in reflectivity of electromagnetic waves in the plane. The electromagnetic wave control element is configured to have, in the following order, a metasurface member including a metasurface structure in which a plurality of microstructures are arranged, an interlayer disposed in contact with the metasurface member, and a liquid crystal film that is disposed in contact with the interlayer and includes a liquid crystal layer in which an alignment of a liquid crystal compound is immobilized.

Abstract: An electromagnetic wave absorber in which a difference in absorption characteristics between a TE wave and a TM wave in a case where electromagnetic waves are incident in an oblique direction is small. The electromagnetic wave absorber includes a reflective layer, a base material layer including a dielectric material or a magnetic material, a microstructure layer including a plurality of microstructures, and an overcoat layer having a refractive index anisotropy in this order.

Abstract: A transparent conductive film includes a mesh-shaped portion that is formed of a plurality of conductive wirings, in which the mesh-shaped portion includes a plurality of non-conductive portions (22) that are trimmed by the continuous conductive wiring (21A), the non-conductive portion (22) includes a pair of extension portions (E1, E2) that extend along a pair of central axes (C1, C2) orthogonal to each other and have the same length, the pair of extension portions (E1, E2) intersect each other at an intersection (K) of the pair of central axes (C1, C2), each of the pair of extension portions (E1, E2) includes a projection portion (G1, G2) that projects in a direction intersecting an extension direction, and the non-conductive portion (22) has a shape that is symmetric with respect to each of the pair of central axes. (C1, C2).

Abstract: A hologram image of an object is acquired in a state where the object is accommodated in a concave portion provided in a container with a bottom surface of the concave portion being curved. A phase image is generated from the hologram image. Processing of subtracting a phase component derived from a polynomial indicating a shape of the bottom surface of the concave portion from the phase image is performed to acquire a processed phase image.

Abstract: Provided are an electromagnetic wave control element including a first patterned conductive layer, an insulating layer, and a layer containing a material of which conductivity changes with a voltage, and a manufacturing method of an electromagnetic wave control element.

Abstract: A waveguide structure includes at least one transmission line and at least one conductive pattern layer. At least a portion of the transmission line and at least a portion of the conductive pattern layer overlap each other as observed from a surface side of the conductive pattern layer. A surface electrical resistance value of the conductive pattern layer is in a range of 0.005?/? to 30?/?.

Abstract: A metalens capable of concentrating terahertz waves having a high light concentration efficiency. The metalens includes a first region that has a plurality of microstructures disposed therein to concentrate terahertz waves; and a second region that is a region that surrounds the first region and that is a region different from the first region, in which in a case where terahertz waves having a wavelength of 0.3 mm, a wavelength of 1 mm, and a wavelength of 3 mm are incident, assuming that a wavelength having a highest light concentration efficiency is a wavelength X, a transmittance of the terahertz waves having the wavelength X in the first region is a transmittance T1, and a transmittance of the terahertz waves having the wavelength X in the second region is a transmittance T2, the transmittance T2 is lower than the transmittance T1.

Abstract: An optical member capable of achieving reduction in size while suppressing a loss of electromagnetic waves by using a metasurface structure, and an optical device including the optical member. The optical member includes a substrate; and a metasurface structure that has a plurality of microstructures arranged to be provided on at least one surface of the substrate, in which at least a part of the optical member has a curved shape.

Abstract: A monitoring camera includes a housing having a tip end cylindrical portion in which a lens is disposed, the tip end cylindrical portion being covered with a front glass, an eave member that is provided on an upper surface of the housing and that has a tip end flange portion protruding forward from the front glass, and a repellent member that is provided at the tip end flange portion and contains a drug for repelling a pest such as a spider.

Abstract: An optical member having a high reflectivity of electromagnetic waves in a desired direction for use in a metasurface structure. The optical member includes, in the following order: a reflective layer; a liquid crystal layer that includes a liquid crystal compound; and a metasurface structure where a plurality of microstructures are arranged, in which an in-plane refractive index of the liquid crystal layer continuously changes according to a region of the metasurface structure where two or more microstructures arranged adjacent to each other are present.

Abstract: An optical member using a metasurface structure and having high use efficiency of light. The optical member includes a substrate, a metasurface structure configured of a plurality of arrayed microstructures formed on at least one surface of the substrate, having a plurality of regions A each including, in a case where a region including one or more of the microstructures is defined as a region X, a plurality of the regions X in which phase modulation amounts are different from each other, and a phase correction layer that corrects a wavefront aberration of the metasurface structure, wherein the phase modulation amounts in the regions X of the metasurface structure gradually decrease in one direction, and the phase correction layer includes, corresponding to the region A, a region whose phase modulation amount changes.

Abstract: A holography apparatus 10 includes an optical system 200 that forms an interference image due to interference between object light L1 and reference light L2. The optical system 200 includes a retarder 30 that is disposed on an optical path of the object light or the reference light, and a rotation mechanism 31 that rotates the retarder 30 with an optical axis of the object light L1 or the reference light L2 as a rotation axis. The holography apparatus 10 includes an imaging unit 40 that captures the interference image, a control unit 50 that derives an evaluation value for the interference image captured by the imaging unit 40 and controls a rotational position of the rotation mechanism 31 based on the evaluation value.

Abstract: A conductive member (11) includes an electrode pad (14) for applying a voltage to a conductive film (13), in which a plurality of non-conductive portions (16) that are arranged to form a regular repeating pattern are formed in the conductive film (13), each of the plurality of non-conductive portions (16) include a plurality of base units having an elongated shape that are connected to each other at a connection point (C1) and extend from the connection point (C1) in different directions, and a direction in which a line segment that connects the connection points (C1) of the two non-conductive portions (16) closest to each other among the plurality of non-conductive portions (16) extends is different from each of the directions in which the plurality of base units extend.

Abstract: An order information recording unit records information on an order for a patient. An arrival state recording unit records an arrival state that indicates whether or not a patient has arrived, in association with an order for the patient. An accepting unit accepts patient identification information entered into a portable terminal device. An order retrieval unit retrieves an order related to the patient identification information accepted by the accepting unit. A decision processing unit decides to display an entry screen for medical interview information when the arrival state associated with an order related to the patient identification information indicates that the patient has arrived. A display processing unit displays the entry screen for the medical interview information on the portable terminal device, in response to the decision made by the decision processing unit.

Abstract: Provided are semiconductor particles including a Group 12-16 semiconductor including a Group 12 element and a Group 16 element, a Group 13-15 semiconductor including a Group 13 element and a Group 15 element, or a Group 14 semiconductor including a Group 14 element, the semiconductor particles having a plasma frequency of 1.7×1014 rad/s to 4.7×1014 rad/s and a maximum length of 1 nm to 2,000 nm; and a dispersion, a film, an optical filter, a building member, or a radiant cooling device, in all of which the semiconductor particles are used.

Abstract: A monitoring camera includes a housing having a tip end cylindrical portion in which a lens is disposed, the tip end cylindrical portion being covered with a front glass, an eave member that is provided on an upper surface of the housing and that has a tip end flange portion protruding forward from the front glass, and a repellent member that is provided at the tip end flange portion and contains a drug for repelling a pest such as a spider.

Abstract: A waveguide structure includes at least one transmission line and at least one conductive pattern layer. At least a portion of the transmission line and at least a portion of the conductive pattern layer overlap each other as observed from a surface side of the conductive pattern layer. A surface electrical resistance value of the conductive pattern layer is in a range of 0.005 ?/? to 30 ?/?.

Abstract: An electromagnetic shielding member (11) includes a substrate (12) having a three-dimensional shape, and a conductive layer member (13) that is disposed on the substrate (12) and reflects an electromagnetic wave in a wavelength-selective manner.

Abstract: It is intended to increase the efficiency of heating of a cover by a heater. A monitoring camera is equipped with a capturing unit, a cover that has a dome-shaped curved portion and a flange portion and configured to cover the capturing unit, a transparent conductive film provided on an inner surface of the dome-shaped curved portion and the flange portion, and a pair of electrodes configured to supply power to the conductive film.