Abstract: A system includes a first transmission unit configure to emit a first terahertz wave, a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave, a detection unit for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object, and outputting image data based on the detected terahertz wave, and a first control unit configured to, under a condition set based on the image data, control at least one of an operation of the first transmission unit or an operation of the second transmission unit.

Abstract: An antenna device includes an antenna array in which a plurality of antennas each including a negative differential resistance element and a resonance circuit are arranged, a voltage bias circuit which applies a voltage to the antenna array, a first shunt element which is connected between the antenna array and the voltage bias circuit in parallel relation to each of the negative differential resistance element and the voltage bias circuit, and in which a first resistor and a first capacitor of the first shunt element are connected in series, and a second shunt element which is connected between the first shunt element and the voltage bias circuit in parallel relation to each of the negative differential resistance element and the voltage bias circuit, and in which a second resistor and a second capacitor of the second shunt element are connected in series.

Abstract: An oscillator is comprising a plurality of resonators and a voltage bias circuit that applies voltages to the plurality of resonators. Each of the plurality of resonators has a negative resistance element. In the oscillator, the plurality of resonators are connected in parallel to the voltage bias circuit respectively via separate inductors.

Abstract: A terahertz wave camera that acquires information on a measurement target includes: a sensor unit in which a plurality of elements having spectral sensitivity to the terahertz wave are arranged; a readout circuit unit that reads out signals from the elements; a first light-shielding portion; and an optical unit. The first light-shielding portion reduces disturbance light to which the readout circuit unit has spectral sensitivity. The optical unit guides a terahertz wave from the measurement target to the sensor unit.

Abstract: A movable body includes an imaging system which acquires an image formed by a terahertz wave, wherein the image is an image obtained by capturing an inspection object inside the movable body.

Abstract: A processing system comprising a first imaging system configured to capture a first image based on a terahertz wave from an inspection target, a second imaging system configured to capture a second image of the inspection target based on an electromagnetic wave of a wavelength different from the terahertz wave, and a processor configured to process the first image and the second image, wherein the processor detects an inspection region based on the second image and processes information of a region of the first image corresponding to the inspection region.

Abstract: A detection device with pixels arranged in N rows and M columns where N and M are each an integer of one or more, each of the pixels including: a detector configured to detect an electromagnetic wave; a first capacitor connected to the detector; a first switch and a second switch each connected to a terminal of the first capacitor opposite to the detector; and a second capacitor connected to a terminal of the second switch opposite to the first capacitor, wherein each of a terminal of the first switch opposite to the first capacitor and a terminal of the second capacitor opposite to the second switch is connected to a reference potential, and wherein an integration operation of turning ON/OFF the first switch and then turning ON/OFF the second switch while maintaining the first switch in an OFF state is repeatedly performed a plurality of times.

Abstract: A semiconductor element comprising: an antenna array that is provided with a plurality of antennas each including a semiconductor layer having an electromagnetic wave gain or carrier nonlinearity with respect to a terahertz wave; and a coupling line that synchronizes adjacent antennas in the antenna array with each other at a frequency of the terahertz wave, wherein the coupling line includes a plurality of first regions connected to the adjacent antennas respectively and a second region provided between the plurality of first regions, wherein the second region has impedance different from impedance of each of the first regions, and wherein the second region has a loss larger than a loss of the individual first region at a frequency other than a resonance frequency of the antenna array.

Abstract: An image capture device 1001 captures an image by using a terahertz wave and includes a generating unit 112 that includes a plurality of generation elements each of which generates the terahertz wave and rests on a resting plane 117, an irradiation optical system 111 that irradiates an object with the terahertz wave, an imaging optical system 101 that images the terahertz wave that is reflected from the object, and a sensor 102 that includes pixels. The plurality of generation elements include at least a first generation element 113 and a second generation element 114 that have different angles of radiation to the object. There is an overlap region in which a region of radiation of a first terahertz wave 156 from the first generation element to the object overlaps a region of radiation of a second terahertz wave 157 from the second generation element to the object.

Abstract: A system includes a first transmission unit configure to emit a first terahertz wave, a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave, a detection unit for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object, and outputting image data based on the detected terahertz wave, and a first control unit configured to, under a condition set based on the image data, control at least one of an operation of the first transmission unit or an operation of the second transmission unit.

Abstract: An oscillator is comprising a plurality of resonators and a voltage bias circuit that applies voltages to the plurality of resonators. Each of the plurality of resonators has a negative resistance element. In the oscillator, the plurality of resonators are connected in parallel to the voltage bias circuit respectively via separate inductors.

Abstract: A system includes a first transmission unit configure to emit a first terahertz wave, a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave, a detection unit for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object, and outputting image data based on the detected terahertz wave, and a first control unit configured to, under a condition set based on the image data, control at least one of an operation of the first transmission unit or an operation of the second transmission unit.

Abstract: A driving method enables a liquid feeding apparatus using a driving element in the form of a membrane to feed a liquid at high liquid feeding accuracy. To this end, a voltage applied to the driving element is controlled in such a way as to repeat a first period in which the voltage is changed from a first voltage to a second voltage and a second period which is a longer period than the first period and in which the voltage is changed from the second voltage to the first voltage, and such that an inflection point is provided in each predetermined interval during the first period based on a Helmholtz vibration period unique to the liquid feeding apparatus.

Abstract: An oscillator is comprising a plurality of resonators and a voltage bias circuit that applies voltages to the plurality of resonators. Each of the plurality of resonators has a negative resistance element. In the oscillator, the plurality of resonators are connected in parallel to the voltage bias circuit respectively via separate inductors.

Abstract: A semiconductor apparatus comprising: an element substrate including a plurality of semiconductor devices which detect or oscillate terahertz waves; and an electromagnetic shielding in a mesh form disposed in front of a surface detecting or oscillating the terahertz waves in the element substrate and formed of a conductive material, wherein a line width of the electromagnetic shielding is not more than a wavelength of the terahertz waves.

Abstract: An oscillator disclosed herein includes an oscillation circuit including a negative resistance element, a voltage bias circuit applying voltage to the oscillation circuit. The oscillator further includes a switch provided in a path, in which the voltage bias circuit and the oscillation circuit are electrically coupled to each other, and implementing switching between a conductive state and a non-conductive state of the path, and a constant voltage element electrically coupled in parallel to the switch.

Abstract: A driving method enables a liquid feeding apparatus using a driving element in a membrane shape to feed a liquid at high liquid feeding accuracy. To this end, a voltage applied to the driving element is controlled in such a way as to repeat a first period in which a first voltage is applied and a second period which is a longer period than the first period and used to effect a change between the first voltage and a second voltage lower than the first voltage, and in such a way as to switch between application and non-application of the first voltage during the first period.

Abstract: A system includes a first transmission unit configure to emit a first terahertz wave, a second transmission unit disposed at a position different from a position of the first transmission unit and configured to emit a second terahertz wave, a detection unit for detecting at least one of a first reflected terahertz wave that is a part of the first terahertz wave reflected from an object, or a second reflected terahertz wave that is a part of the second terahertz wave reflected from the object, and outputting image data based on the detected terahertz wave, and a first control unit configured to, under a condition set based on the image data, control at least one of an operation of the first transmission unit or an operation of the second transmission unit.

Abstract: An oscillator comprising: a resonator including a negative resistance element; a voltage bias circuit configured to apply a voltage across the negative resistance element; and a first shunt element in which a resistor and a capacitor are electrically connected in series, wherein the negative resistance element and the first shunt element are electrically connected in parallel to the voltage bias circuit.

Abstract: An image capture device 1001 captures an image by using a terahertz wave and includes a generating unit 112 that includes a plurality of generation elements each of which generates the terahertz wave and rests on a resting plane 117, an irradiation optical system 111 that irradiates an object with the terahertz wave, an imaging optical system 101 that images the terahertz wave that is reflected from the object, and a sensor 102 that includes pixels. The plurality of generation elements include at least a first generation element 113 and a second generation element 114 that have different angles of radiation to the object. There is an overlap region in which a region of radiation of a first terahertz wave 156 from the first generation element to the object overlaps a region of radiation of a second terahertz wave 157 from the second generation element to the object.