Abstract: An electroosmotic movable device is provided, which includes a liquid chamber that houses a liquid, a conductive movable structure that is placed in the liquid chamber and has a rotating shaft or a supporting point and further has a conductive portion, and an electrode for applying an electric field to the conductive movable structure. The conductive movable structure is enabled to move by an electroosmotic flow which occurs in an electric double layer portion formed by being paired with an electric charge induced in the conductive movable structure owing to the electric field which is applied from the electrode.

Abstract: A liquid mixing apparatus includes a flow channel configured to supply a liquid therethrough; a vortex-flow generating unit including a conductive member and an electrode, and configured to generate a vortex flow in the liquid in the flow channel by an electric field, the conductive member being provided in the flow channel, the electrode applying the electric field to the conductive member; a directional-flow generating unit connected to an end portion of the flow channel and configured to generate a flow of the liquid in a direction along the flow channel; and a switching unit configured to switch between the vortex flow and the directional flow.

Abstract: A liquid transport device includes a channel, a substrate, and a light radiation unit. A liquid containing ions is transported through the channel. The substrate is disposed at a position where the substrate is in contact with the liquid. The light radiation unit radiates light toward the substrate. In the liquid transport device, an asymmetrical temperature distribution in a direction in which the liquid is transported is produced on a surface of the substrate by the light radiated by the light radiation unit.

Abstract: Provided is a device capable of functionalizing a micro-motion of a polarizable microstructure. A structure includes a plurality of polarizable structures, each having an electrically polarizable conductive part on a surface thereof, and a connector body having one of mobility and deformability, for connecting the plurality of polarizable structures to each other.

Abstract: A pump includes a flow passage through which a liquid containing an electrolytic solution is conveyed, a pair of electrodes in the flow passage to apply an electric field along the direction in which the liquid is conveyed, and a conductive member connected to one of the pair of electrodes and in contact with the liquid in the flow passage. The conductive member includes a sidewall portion that locally divides a flow of the liquid in the flow passage. The conductive member connected to one of the pair of electrodes may be a polyhedron or a column that is convex toward the electrode to which the conductive member is not connected.

Abstract: An electroosmotic movable device is provided, which includes a liquid chamber that houses a liquid, a conductive movable structure that is placed in the liquid chamber and has a rotating shaft or a supporting point and further has a conductive portion, and an electrode for applying an electric field to the conductive movable structure. The conductive movable structure is enabled to move by an electroosmotic flow which occurs in an electric double layer portion formed by being paired with an electric charge induced in the conductive movable structure owing to the electric field which is applied from the electrode.

Abstract: An electroosmotic movable device is provided, which includes a liquid chamber that houses a liquid, a conductive movable structure that is placed in the liquid chamber and has a rotating shaft or a supporting point and further has a conductive portion, and an electrode for applying an electric field to the conductive movable structure. The conductive movable structure is enabled to move by an electroosmotic flow which occurs in an electric double layer portion formed by being paired with an electric charge induced in the conductive movable structure owing to the electric field which is applied from the electrode.

Abstract: An apparatus includes a device including a pair of electrodes and a channel producing an electro-osmotic flow or electrophoretic flow of a liquid by applying a voltage between the pair of electrodes, and an impedance connected to the pair of electrodes, wherein a voltage resulting from thermal noise is applied to the pair of electrodes by giving a temperature difference between the channel and the impedance, and thermal energy corresponding to the temperature difference is converted into a flow of the liquid, the flow of the liquid being mechanical energy.

Abstract: A fluid structure control device has a liquid chamber holding a solution containing an electrolyte dissolved therein and conductive particles dispersed in the solution, and a pair of electrodes for applying an AC voltage to the conductive particles in the liquid chamber. Electro-osmotic flows are caused to occur due to electric double layers induced at the interface between the solution and the conductive particles by application of a voltage, thereby producing interaction among the conductive particles to displace the conductive particles and change reversibly the dispersion state of the conductive particles in accordance with the applied voltage.

Abstract: An atomic magnetometer includes a light source for a probe beam and a medium in which the probe beam is to be propagated. The medium is a substance which changes a polarization rotation angle of the probe beam depending on a magnetic field intensity at a first measurement position and a magnetic field intensity at a second measurement position different from the first measurement position. The atomic magnetometer directly measures a difference between the magnetic field intensity at the first measurement position and the magnetic field intensity at the second measurement position as a difference in polarization rotation angle, along a propagation path of the probe beam.

Abstract: A magnetic sensing method comprises irradiating a pump light having a circularly polarized component and a probe light having a linearly polarized component onto a group of atoms contained in a cell so as to make the lights produce an intersection region and detecting a change of rotation angle of a plane of polarization of the probe light before and after passing the cell. The pump light and the probe light are irradiated in a state where a magnetic field of the direction in which the pump light strikes the intersection region is provided with a gradient.

Abstract: A pump includes a flow passage through which a liquid containing an electrolytic solution is conveyed, a pair of electrodes in the flow passage to apply an electric field along the direction in which the liquid is conveyed, and a conductive member connected to one of the pair of electrodes and in contact with the liquid in the flow passage. The conductive member includes a sidewall portion that locally divides a flow of the liquid in the flow passage. The conductive member connected to one of the pair of electrodes may be a polyhedron or a column that is convex toward the electrode to which the conductive member is not connected.

Abstract: A liquid driver system having a flow channel for delivering a liquid, includes a conductor member placed in the flow channel, electrodes for applying an electric field to the conductor member and delivering the liquid by application of a driving force to the liquid by electroosmotic flow produced around the conductor member by the electric field, and a first flow limiter at a position displaced from the conductor member to limit a liquid flow in a reverse direction of liquid flowing in forward and reverse directions relative to the conductor member, wherein a maximum length of the flow limiter is smaller than a length of the conductor member in the forward flow direction, and the flow limiter is placed relative to the conductor member, having a thickness (2c), such that a gap (?) between the conductor member and the flow limiter satisfies the relation of ?<c.

Abstract: An atomic magnetometer includes a cell containing an atomic group, a pump light source, a probe light source, a mirror, and a detector. The cell is disposed between the pump light source and the mirror and between the probe light source and the detector. A pump beam emitted from the pump light source is circularly polarized light. The pump beam passes through the cell and is reflected by the mirror and then passes through the cell again. The probe beam emitted from the probe light source is linearly polarized light. An optical path of the probe beam is parallel to the plane of incidence of the pump beam and is also parallel to the surface of the mirror. The optical path of the probe beam crosses the optical path of the pump beam in the cell. The probe beam which has passed through the cell enters the detector.

Abstract: An apparatus includes a device including a pair of electrodes and a channel producing an electro-osmotic flow or electrophoretic flow of a liquid by applying a voltage between the pair of electrodes, and an impedance connected to the pair of electrodes, wherein a voltage resulting from thermal noise is applied to the pair of electrodes by giving a temperature difference between the channel and the impedance, and thermal energy corresponding to the temperature difference is converted into a flow of the liquid, the flow of the liquid being mechanical energy.

Abstract: An atomic magnetometer includes a light source for a probe beam and a medium in which the probe beam is to be propagated. The medium is a substance which changes a polarization rotation angle of the probe beam depending on a magnetic field intensity at a first measurement position and a magnetic field intensity at a second measurement position different from the first measurement position. The atomic magnetometer directly measures a difference between the magnetic field intensity at the first measurement position and the magnetic field intensity at the second measurement position as a difference in polarization rotation angle, along a propagation path of the probe beam.

Abstract: A liquid mixing apparatus includes a flow channel configured to supply a liquid therethrough; a vortex-flow generating unit including a conductive member and an electrode, and configured to generate a vortex flow in the liquid in the flow channel by an electric field, the conductive member being provided in the flow channel, the electrode applying the electric field to the conductive member; a directional-flow generating unit connected to an end portion of the flow channel and configured to generate a flow of the liquid in a direction along the flow channel; and a switching unit configured to switch between the vortex flow and the directional flow.

Abstract: An electroosmotic movable device is provided, which includes a liquid chamber that houses a liquid, a conductive movable structure that is placed in the liquid chamber and has a rotating shaft or a supporting point and further has a conductive portion, and an electrode for applying an electric field to the conductive movable structure. The conductive movable structure is enabled to move by an electroosmotic flow which occurs in an electric double layer portion formed by being paired with an electric charge induced in the conductive movable structure owing to the electric field which is applied from the electrode.

Abstract: A fluid element is provided which comprises a flow path formed in a substrate for carrying a fluid, and a heating means provided in the flow path for heating the fluid, in which the fluid is heated using the heating unit, thereby forming a supercritical state of the fluid.

Abstract: A fluid structure control device has a liquid chamber holding a solution containing an electrolyte dissolved therein and conductive particles dispersed in the solution, and a pair of electrodes for applying an AC voltage to the conductive particles in the liquid chamber. Electro-osmotic flows are caused to occur due to electric double layers induced at the interface between the solution and the conductive particles by application of a voltage, thereby producing interaction among the conductive particles to displace the conductive particles and change reversibly the dispersion state of the conductive particles in accordance with the applied voltage.