1215results about "Radiation/particle handling" patented technology

Atomic object confinement apparatuses comprising periodic or quasi-periodic arrays of legs, including curved legs, and systems comprising such atomic object confinement apparatuses are provided. The atomic object confinement apparatus comprises a plurality of legs with each leg of the plurality of legs defining a one-dimensional trap segment; and a plurality of junctions with each junction of the plurality of junctions connecting at least two legs of the plurality of legs. The plurality of legs and the plurality of junctions are arranged into a periodic or quasi-periodic array of connected one-dimensional trap segments. The periodic array or quasi-periodic array comprises one or more smallest array elements. Each smallest array element of the one or more smallest array elements comprises at least one curved leg.

The present disclosure relates to trapping and manipulating of neutral atoms in optical trapping potentials. In one aspect, an apparatus comprises a trapping laser system and optics for generating an optical trapping lattice at a trapping volume inside a vacuum chamber, wherein the optics for generating the optical trapping lattice are configured to generate, based on the output of the trapping laser system, a single elliptical trapping laser beam that is retroreflected and focused, using a bow-tie configuration, to the trapping volume to generate the optical trapping lattice.

The invention discloses a phase regulation and control method, device and system for holographic optical tweezer potential well stiffness, and the method comprises the steps: calculating a decomposition matrix formula, a matrix expression and a Hermi matrix expression according to input system configuration parameters, carrying out the expansion of a stiffness coefficient of an optical trap through the Hermi matrix expression, and obtaining a stiffness coefficient expansion expression, performing phase optimization on the spatial light modulator based on a pixel symmetry rule to obtain an optimized phase value, generating a regulation and control instruction through the optimized phase value, sending the regulation and control instruction to the spatial light modulator, and recalculating a coefficient value of the stiffness coefficient expansion expression, and if the coefficient value or the number of optimization times meets the iterative optimization condition, returning to the step of performing phase optimization on the spatial light modulator. According to the phase regulation and control method, the Hermi matrix expression and the stiffness coefficient expansion expression can be solved according to the system configuration parameters, phase modulation is carried out on the light beam by generating the regulation and control instruction, and the application effect of independent optimization of the potential well stiffness phase is improved through phase iterative optimization.

A method of depositing at least one fluoride layer comprises: depositing the fluoride layer on a substrate by photoassisted atomic layer deposition, ALD, in a plurality of ALD cycles. The method comprises irradiating the fluoride layer with UV / VIS light at least in some of the plurality of ALD cycles, such as in all ALD cycles, to anneal at least one potential crystal defect in the fluoride layer. The methods can be performed using an apparatus for atomic layer deposition of at least one fluoride layer, thereby producing an optical element comprising a substrate coated with such a fluoride layer, which can be used in an optical arrangement comprising at least one such optical element.

An ion trap (1) is specified, with - at least two first electrodes (2) configured to provide a time-varying electric field, and - at least two second electrodes (4) configured to provide a static electric field, wherein - at least one of the second electrodes (4) comprises a through hole (5), and - the second electrodes (4) each comprise a soft magnetic material configured to enhance an external magnetic field. Further, an ion trap system (11) and a quantum computing arrangement (12) are specified.

An x-ray source includes an x-ray transmissive window having an x-ray transmittance greater than or equal to 20% for at least some x-rays having an x-ray energy less than 1 keV. The x-ray source further includes an electron source configured to generate at least one electron beam and an anode assembly configured to generate x-rays in response to electron bombardment by at least some of the electrons of the at least one electron beam from the electron source. The x-ray source further includes at least one x-ray optic is configured to receive at least some of the x-rays from the anode assembly and to direct at least some of the received x-rays to the window to form an x-ray beam.

This application presents ideas for devices that solve energy generation problems and space exploration. This application show idea that is using device such using conductor / element or device. And this application show idea that is using device such using conductive line or carrier device. This application show idea that is using device such using photon or particle related device.

A device (100) for controlling trapped ions (180) includes a semiconductor substrate (120). The semiconductor substrate includes a plurality of optical detectors (170). A dielectric layer (130) is disposed over the semiconductor substrate. The dielectric layer includes one or a plurality of lenses (135). An electrode structure is disposed over the dielectric layer, wherein the electrode structure includes electrodes (125) of an ion trap configured to trap one or more ions in a space above the electrode structure.

The present invention relates to a method for determining sets of moves for rearranging particles (P) of an initial array of qubits according to a target array of qubits, the method comprising: - determining a first set of compression moves for some particles (P) of the initial array of qubits as a function of initial data relative to the initial array of qubits and of target data relative to the target array of qubits so as to obtain an intermediate array of qubits, and - determining a second set of moves for some particles (P) of the intermediate array of qubits as a function of trapping sites data relative to the positions of trapping sites, of the target data and of the intermediate array of qubits.

A device includes a plurality of digital-to-analog converters (DACs), a multiplexer, a plurality of electrodes including a first electrode, and a plurality of direct current (DC) offset circuits including a first DC offset circuit. At least one of the plurality of electrodes is located along a lane for movement of an ion. The multiplexer has multiple inputs coupled to the plurality of DACs and multiple outputs including a first output. The first output is configured to provide a first voltage. The first DC offset circuit is coupled between the first output and the first electrode. The first DC offset circuit is configured to add a first DC offset voltage to either the first voltage or the first voltage amplified by a first gain. The first DC offset voltage is configurable.

The invention relates to full-dielectric adjustable optical tweezers based on a composite phase superlens, and belongs to the technical field of optical tweezers. Two regulation modes of geometric phase and transmission phase are integrated into a dielectric metasurface periodic structure, and a circular lens surface is combined according to a specific mapping and arrangement mode. The super lens can excite two different output electric fields under the input of linearly polarized light due to the regulation and control of a composite phase, and the two electric fields can independently exist under the input of circularly polarized light with opposite chirality. Therefore, by adjusting the polarization type of the incident light source of the super lens, free switching of multiple optical capturing modes of particles in a field can be realized. Compared with the existing optical tweezers, the control mode can be flexibly adjusted on the premise that the structure of the device is not changed, and more diversified particle capturing requirements can be met. The high-flexibility and easy-to-integrate micro-nano structure can provide powerful guarantee for the performance of a compact composite optical capturing device.

Provided is an electromagnetic field control member including a first insulating member that is made of a ceramic having a tubular shape and includes a plurality of through holes extending in an axial direction; a conductive member made of a metal, the conductive member sealing off each of the through holes and leaving an opening portion in the through hole, the opening portion opening to an outer periphery of the first insulating member; a power feed terminal connected to the conductive member; and flanges respectively located at two ends of the first insulating member. A second insulating member made of a ceramic having a tubular shape is disposed on an outer peripheral side of the first insulating member, and includes two ends that are hermetically fixed to the flanges, respectively.

The invention provides intelligent assembling equipment for a magnetic block magnetic pole clamping structure and a control method thereof, and the intelligent assembling equipment comprises a lifting platform module which is used for fixing a clamping base and can drive the clamping base to do lifting motion in the Z direction; the magnetic block pushing platform module is used for clamping the magnetic block to move in the X direction and the Y direction respectively and pushing the magnetic block into the corresponding mounting groove position of the clamping base; the magnetic pole tool assembly robot module is used for clamping a magnetic pole tool and assembling the magnetic pole tool in the clamping base; the magnetic pole assembling robot module is used for clamping a magnetic pole and assembling the magnetic pole in the installed magnetic pole tool; wherein the magnetic block pushing platform module is arranged to be capable of adjusting the horizontal angle of a clamped magnetic block in an XY plane. The cleaning requirement, the assembly precision and the automatic operation requirement under the ultrahigh vacuum environment are met, the consistency of the assembly precision and batch performance of the magnetic block magnetic pole clamping structure is promoted, and the yield and the production efficiency are remarkably improved.

Optical arrangement (100, 200, 300) for an EUV projection exposure system (400) and an EUV mask metrology system, comprising an optical component (101) designed to reflect EUV light (102) used for imaging, a housing (104) at least partially enclosing the optical component (101) and further encapsulating a section of an EUV beam path within the EUV projection exposure system (400) or the EUV mask metrology system, and at least one particle trap (106, 206, 306) designed to reduce free particle contamination (105), in particular tin particles, within the housing (104) and having an opening (107, 207, 307) in the direction of the EUV beam path, characterized in that the particle trap (106, 206, 306) is arranged on the housing (104), wherein the particle trap (106, 206,306) has an interior space and an interior surface (109) surrounding the interior space and is designed in a channel-like manner.

The present invention discloses a nanoparticle transport device, comprising a silica substrate, a droplet-shaped gold nanoarray, polarized light waves, and nanoparticles; the silica substrate serves as a substrate; the droplet-shaped gold nanoarray is disposed on the silica substrate and serves as a driving unit, interacting with the polarized light field to form an excited local electric field to capture and directionally transport nanoparticles; the polarized light wave is used to provide a light source, interacting with the droplet-shaped gold nanoarray to generate an evanescent field; the nanoparticles serve as the objects to be captured and transported; the droplet-shaped gold nanoarray includes a periodically arranged droplet-shaped plasma gold nanostructure, which is composed of a droplet-shaped tail and a circular body, and the transport direction of the nanoparticles forms a certain angle with the droplet-shaped tail. The present invention can achieve more stable capture with lower light power, and also enables the device to achieve highly operational transport of target particles.

The invention provides a linear optical tweezer astigmatism field regulation and control method based on an optical transmission matrix. The design method comprises the following steps: establishing a 4 * 4 optical matrix for generating a linear optical tweezer astigmatism field and a transmission equation; analyzing the regulation and control rule of the parameters of the optical element on the astigmatism characteristics; collecting a fluorescence slice image of the initial astigmatic light field through an axial tomography scanning method; reconstructing the spatial distribution of the initial image light field; judging whether the light field accords with a preset astigmatism characteristic or not, if not, determining the astigmatism characteristic to be optimized, and adjusting element parameters according to a regulation and control rule; and acquiring the adjusted image of the astigmatism light field again, reconstructing the image, and continuously performing judgment iteration until the image accords with the preset astigmatism characteristic, thereby realizing regulation and control of the astigmatism light field. Matrix optics is used in optimization of a linear optical tweezer image dispersion light field optical system, the limitation of traditional trial and error design is avoided, the method can be applied to the fields of light control technology, light sheet fluorescence microscopic imaging and the like, and the performance of the optical system is improved.

The invention provides a neutral atom beam generation device and a neutral atom detector calibration device. The neutral atom beam generation device comprises an ion beam generation device used for emitting a mixed beam; the particle energy testing device comprises an incident end, a first emergent end, a second emergent end and an acquisition device, the incident end is used for receiving the mixed beam; the incident end is communicated with the second emergent end through an arc-shaped channel, and a deflection magnetic field is arranged at the arc-shaped channel, so that positive ions in the mixed beam flow deflect and bombard the acquisition device; the acquisition device is used for acquiring a first bombardment position of positive ions; the first emergent end is used for emitting a first ion beam; the processing device is connected with the collecting device and used for determining the deflection radius of the positive ions according to the first bombardment position and determining the energy of the positive ions and the neutral atoms according to the deflection radius; and the particle screening device is used for absorbing positive ions and negative ions in the first ion beam so as to emit a neutral atom beam.

A method for laser cooling an object crystal comprising at least two atomic objects and confined by a confinement apparatus is provided. A controller controls one or more manipulation sources to cause a first instance of manipulation signals to be incident on the object crystal at a target location defined at least in part by the confinement apparatus. The manipulation signals are configured to laser cool a first motional mode of the object crystal. The controller causes an adiabatic transfer of phonons from a second motional mode of the object crystal to the first motional mode of the object crystal. The controller controls the one or more manipulation sources to cause a second instance of the manipulation signals to be incident on the object crystal at the target location. The manipulation signals are configured to laser cool the first motional mode of the object crystal.

The invention relates to the technical field of optical control, in particular to a micro-nano particle optical control method and device based on circularly polarized light. The invention aims to solve the problem of insufficient flexibility of optical control. The optical control method comprises the following steps: pre-processing micro-nano particles to be controlled; the initial Gaussian beam is processed into a circular polarization tube type beam through a beam shaping module, a light guiding module and a polarization regulation and control module, and the micro-nano particles are irradiated from the position above the gas-liquid interface according to a preset mode; by adjusting the polarization regulation and control module and the light guide module, the motion direction, the motion speed and the stop position of the micro-nano particles are optically controlled. The optical control device comprises a control platform module, a laser emitting module, a light beam shaping module, a light guiding module, a polarization regulation and control module and an imaging monitoring module.

To provide a method and an apparatus capable of efficiently producing volatile radioactive isotopes including an astatine isotope.SOLUTION: Provided is a method of producing radioactive isotopes, including: an evaporation step of heating a target to evaporate a radioactive isotope by heating; a mixing step of mixing the evaporated radioactive isotope and an aerosol with each other; a collection step of collecting, through a collection filter, the radioactive isotope and the aerosol mixed in the mixing step; a cleaning step of cleaning the collection filter by ultrasonic cleaning; and a recovery step of recovering a cleaning liquid used in the cleaning step.SELECTED DRAWING: Figure 1

The present invention relates, inter alia, to an object for lithography comprising a depression extending at least partially along an edge region of the object, which at least partially delineates a central region of the object from the edge region of the object, and comprising an electrically conductive connection bridging the depression between the central region and the edge region of the object.

A device for controlling trapped ions includes a semiconductor substrate. The semiconductor substrate includes a plurality of optical detectors. A dielectric layer is disposed over the semiconductor substrate. The dielectric layer includes one or a plurality of lenses. An electrode structure is disposed over the dielectric layer. The electrode structure includes electrodes of an ion trap configured to trap one or more ions in a space above the electrode structure.

An object is to provide an electron beam applicator suitable for an electron gun having a photocathode and an electron beam emission method in the electron beam applicator. The object can be achieved by an electron beam applicator including: an electron gun section; a main body section; and a control unit. The electron gun section includes a light source, a photocathode that emits an electron beam in response to receiving excitation light emitted from the light source, and an anode. The main body section includes an objective lens that converges an electron beam emitted from the electron gun section. The control unit controls at least convergence power of the objective lens in accordance with a size of an electron beam emitted from the photocathode.

The invention provides a petal-shaped homogeneous phase nonlinear rotating beam generation method based on phase regulation and control. By designing a phase distribution function with spiral symmetry and combining dynamic regulation and control of morphological parameters and transmission distance, petal-shaped light beams with different petal numbers, rotation angles and energy distribution can be generated. The light beam shows a homogeneous phase characteristic, high directivity and a stable vortex structure in propagation, is especially suitable for the field of optical tweezers, forms a high-intensity focusing area by adjusting spiral symmetrical phase distribution, and can stably capture micron-sized particles.

The invention discloses a confocal alignment device and method for correlation beams of double-beam optical tweezers, and belongs to the technical field of optical tweezers. A laser light source of the device is subjected to beam expansion, then passes through a linear polarizer for polarization and a # imgabs0 # wave plate, and then enters a polarization splitting prism for beam splitting; reflected light S of the polarization splitting prism enters a first objective lens after being reflected by a first reflector and a first dichroscope, and emergent light P enters a second objective lens after being reflected by a second dichroscope; the second reflecting mirror is arranged in an S light path passing through the second dichroscope; the plano-convex lens is arranged in front of the imaging camera and is coaxial with the imaging camera; an imaging sheet fixed on the single-axis displacement platform can be moved in and out in a light path; according to the method, an imaging sheet is moved out or introduced between objective lenses which are coaxially mounted, and a light blocking sheet is moved out and introduced in an S light path, so that respective imaging of two beams of light can be realized, the radial space center position of a correlation light beam can be directly observed, and the alignment adjustment efficiency of the light trap is improved.

Methods of manufacturing a pellicle for a lithographic apparatus including a method involving depositing at least one graphene layer on a planar surface of a substrate. The substrate has a first substrate portion and a second substrate portion. The method further includes removing the first substrate portion to form a freestanding membrane from the at least one graphene layer. The freestanding membrane is supported by the second substrate portion.

The invention discloses a mechanical device capable of realizing three-dimensional motion of a magnetic array of a vacuum internal undulator, and the mechanical device comprises a layered supporting structure which comprises an upper-layer mounting plate and a lower-layer mounting plate which are superposed through an orthogonal linear guide rail; the three-dimensional movement mechanism comprises an x-direction movement mechanism, a y-direction movement mechanism and a z-direction movement mechanism; the anti-interference mechanism is used for separating the x-direction motion path from the z-direction motion path through sliding connection; the copper foil dynamic connecting mechanism is used for realizing continuous electric connection between the moving magnetic array and the static flange plate; wherein motion decoupling is achieved through the anti-interference mechanism, and the mechanical device can achieve linear motion of the magnetic array in the x direction, the y direction and the z direction. Through the three-dimensional motion mechanism, the anti-interference mechanism and the copper foil dynamic connection mechanism, the problems that a traditional undulator magnetic array is single in motion and copper foil is prone to breakage are solved, the adaptability, stability and precision of equipment are remarkably improved, and the undulator has important engineering application value.

A method for producing an EUV mirror component (M1-M6, 40), in which a multilayer coating system (31) is applied to a surface of a mirror body substrate (30, 37) in order to form an optical surface that is highly reflective for EUV radiation. A temporary protective coating structure (36) is produced on the multilayer coating system (31). The protective coating structure (36) comprises a protective layer (35) and a sacrificial layer (34) arranged between the protective layer (35) and the multilayer coating system (31). The temporary protective coating structure (36) is removed before the EUV mirror component is put into operation. The invention also relates to an intermediate product of an EUV mirror component.

The invention provides a magnetic array installation method and a magnetic array auxiliary installation mechanism, and relates to a semiconductor material surface processing technology. The magnetic array installation method comprises the steps that the auxiliary shaft is arranged in the magnet installation cylinder; arranging a plurality of non-magnetic auxiliary filling blocks between the auxiliary shaft and the inner wall of the magnet mounting cylinder; one auxiliary filling block is withdrawn, one magnetic block is arranged at the installation position after the auxiliary filling block is withdrawn, and the magnetic block is glued to the magnet installation cylinder; the clamping assembly is arranged on the magnet mounting cylinder so as to limit the magnetic block in the axial direction and the radial direction of the auxiliary shaft, and the clamping assembly is adjusted until the current magnetic block is leveled and fastened; and the third step and the fourth step are repeated until the multiple magnetic blocks are all installed in the magnet installation cylinder, the auxiliary shaft is withdrawn so that a screening channel can be formed in the magnet installation cylinder, and the clamping assembly is withdrawn. According to the magnetic array mounting method and the magnetic array auxiliary mounting mechanism, the mounting tightness of the magnetic blocks in the magnetic array can be improved, the mounting difficulty is reduced, and the mounting efficiency of the magnetic array is improved.

The invention relates to a method for producing an EUV radiation-reflecting surface coating (200) on a substrate (300), wherein the surface coating (200) comprises a multilayer coating system (210). The method comprises the steps: a) producing the surface coating (200) in inverse order of the layers of the multilayer coating system (210) on a carrier (100); b) bonding the produced surface coating (200) to the substrate (300) on the side remote from the carrier (100); and c) Detaching and removing the carrier (100) from the surface coating (300).