881results 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.

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.

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.

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.

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.

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.

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.

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.

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.

Generation of impurity ions is prevented or reduced in a carbon ion generating device in which a laser-driven ion acceleration system is employed. A carbon ion generating device generates a carbonized region by irradiating a film made of an organic compound with a first laser beam, and generates carbon ions by irradiating at least a part of the carbonized region with a second laser beam.

An energy converter is configured to convert photons into an output electrical signal, wherein the energy converter includes a laser arrangement configured to generate a beam of photons and a waveguide arrangement fabricated onto a substrate. The waveguide arrangement includes a plurality of waveguides configured to exhibit a non-linear optical effect, in which the plurality of waveguides are configured to receive the beam of photons and to bifurcate the beam into electron-rich photons propagating along one of the plurality of waveguides and into positron-rich photons propagating along another of the plurality of waveguides. An electrode arrangement having one or more electrodes are configured to apply an electric field to the electron-rich photons and the positron-rich photons to extract the output electrical signal therefrom. The energy converter may be, for example, included as a component part of a positron source for generating a beam of positrons.

The invention relates to an optical system, in particular for microlithography, comprising at least one optical element (100, 200, 300, 400) which has a substrate (105, 205, 305, 405) and at least one optically active layer system (110, 210, 310, 311, 410) located on this substrate (105, 205, 305, 405), and at least one monitoring unit (120, 220, 240, 320, 340) for monitoring a degradation state of this layer system (110, 210, 310, 311, 410), wherein the monitoring unit (120, 220, 240, 320, 340) has a detector (121, 221, 241, 321, 341) for detecting non-directional radiation (130, 230, 330, 430) which is emitted by the optical element (100, 200, 300, 400) during the operation of the optical system.

The beam limiting device structure comprises a shell assembly, a chopping disc and a driving structure. The shell assembly comprises a front shell and a rear shell, the front shell and the rear shell are oppositely combined to form a cavity, the rear shell is provided with a fan-shaped collimation structure, the fan-shaped collimation structure comprises a transversely formed fan-shaped collimation slit, the front shell is provided with a groove, and the groove is aligned with the fan-shaped collimation slit. The chopping disc is arranged in the cavity, and a plurality of back scattering imaging slits formed in the radial direction and at least one transmission imaging slit formed in the tangential direction are formed in the chopping disc. And the driving structure is in communication connection with the chopping disc to drive the chopping disc to rotate, so that the transmission imaging slits and the fan-shaped collimation slits are matched to form a transmission imaging channel, and the plurality of back scattering imaging slits and the fan-shaped collimation slits are alternately intersected to form a back scattering imaging channel which reciprocates periodically. The double detection requirements for transmission imaging and back scattering imaging can be met at the same time.

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.

An ion trap (1) is specified, comprising: - a support substrate (3) on which a set of electrodes (4) is arranged, wherein the set of electrodes is configured to capture at least one ion (2), - an optical system (5) provided on the support substrate (3), and - a detector device (6) arranged behind the support substrate (3) and the optical system (5), wherein - the optical system (5) comprises a nanostructure, - the optical system (5) is designed to be transparent to fluorescence emission of at least one ion (2), and - the detector device (6) is designed to detect the fluorescence emission passing through the optical system (5). Additionally, a quantum computer device is mentioned.

The invention relates to the technical field of optical systems, in particular to a micro-nano particle self-assembly and optical control method and device based on a vector light field. The purpose of the invention is to improve the precision of controlling the micro-nano particles. The first purpose is to provide a micro-nano particle self-assembly and optical control method based on a vector light field, and the method comprises the steps: carrying out the combined regulation and control of the orbital angular momentum and polarization state of a linear polarization Gaussian beam through a light field regulation and control assembly, so as to enable the linear polarization Gaussian beam to be converted into a high-order Poincare vector light field with a spatial polarization distribution characteristic; the vector light field is collimated, reflected and focused through the light guiding assembly, so that the vector light field acts on the micro-nano particles, and the micro-nano particles are self-assembled to form a self-assembled structure; and the rotation direction and the rotation speed of the self-assembly structure are regulated and controlled through the light field regulation and control assembly. The second purpose is to provide a micro-nano particle self-assembly and optical control system based on a vector light field.

The invention belongs to the technical field of semiconductor material surface processing, and discloses a super-atom beam source screening method. The super-atom beam source screening method comprises the following steps: performing ionization treatment on a super-atom beam source, so that the super-atom beam source loses electrons and shows positive electricity to form super-atom ions and single-atom ions; applying an electric field to enable the electron-lost super-atom beam source to directionally move in an accelerated manner, and collecting the electron-lost super-atom beam source by a beam collector to form a beam; and the beam is introduced into an internal channel of a magnetic screening device for screening, and monatomic ions in the super-atomic beam source are filtered out. According to the super-atomic beam source screening method provided by the invention, the super-atomic ions and the monatomic ions have the same kinetic energy, the mass of the super-atomic ions is higher than that of the monatomic ions, the deflection radius of the high-mass super-atomic ions is very large, and the super-atomic ions are hardly influenced by a magnetic field of an internal channel, so that the super-atomic beam source can be screened through a magnetic screening device; the deflection radius of the monatomic ions with low mass is small, and the monatomic ions are more easily deflected and filtered out, so that the proportion of the superatoms in the superatom beam is increased.

The invention relates to the technical field of AI glasses packaging, in particular to an FPC micro-optical module packaging system and method for AI glasses, and the system comprises at least one first optical element, at least one second optical element, an optical tweezers array generation system, an in-situ monitoring and feedback system and a curing system. The invention aims to solve the problems of low alignment precision and poor yield of optical module packaging in the prior art, and provides a micro-optical module precise packaging system and method capable of realizing active, real-time feedback and in-situ self-alignment.

The present application discloses an ion filter and a process chamber. The ion filter comprises: a filter main body portion, wherein the filter main body portion is provided with a plurality of filter holes, the filter main body portion is provided with a first surface on which the outlet ends of the filter holes are located, and in the direction of the central axis of the filter main body portion, the center of the first surface protrudes from the plane where the edge of the filter main body portion is located. The ion filter of the present application can adjust the distribution density of free radicals and the distribution density of ions, thereby improving the etching quality of a wafer.

The invention discloses a silver river cosmic ray radiation protection method based on a proton heavy ion Bragg peak. The method comprises the following steps: determining minimum energy information of ions allowed to enter a to-be-protected region; according to the ion charge, mass, energy and minimum energy information, the magnetic field intensity minimum value used for deflecting low-energy part ions with energy lower than the minimum energy information before the ions enter the to-be-protected area is given; giving the magnetic field intensity for deflecting the ions according to the minimum value of the deflection magnetic field intensity of the different types of ions; according to the magnetic field intensity, magnetic field power supply intensity is set, silver river cosmic ray protection is carried out on the to-be-protected area, and Bragg peaks of an ion dose distribution curve are prevented from being deposited in the to-be-protected area. The deposition dosage of the to-be-protected area is reduced, and effective protection of silver river cosmic rays is achieved.

The present disclosure provides a sensor arrangement for reflecting scattered light from a laser beam, comprising a first optical element; a cone of a housing which is arranged behind the first optical element in the direction of the beam path of a laser beam, wherein the cone of the housing comprises a conical step-shaped reflector whose shape corresponds to the shape of the cone of the housing and wherein the conical step-shaped reflector is formed from a plurality of annular elements, each annular element having reflector surfaces on its inner side facing the beam path of the laser beam; and an element for receiving the light reflected from the respective reflector surfaces of the plurality of annular elements, which is arranged on the side of the optical element opposite the cone of the housing.Another object of the present disclosure is a laser material processing head comprising an opening for coupling in a laser beam; and a sensor arrangement according to any one of claims 1 to 7. Another object of the present disclosure relates to a device for laser material processing comprising a laser material processing head according to claim 8 or 9 and a device for moving the laser material processing head.

The invention provides a shielding unit and an X-ray inspection device which can improve space efficiency and improve passing ability of articles. The shielding unit (40) shields the entrance opening (4a) by means of a support shaft (43) horizontally disposed near the upper end of the entrance opening (4a) and a plurality of metal shielding plates (50) that support respective base end portions (51) by means of the support shaft (43), are swingably suspended from the support shaft (43), and are arranged along the support shaft (43). The shield plates (50) each extend only in one direction from a base end portion (51), and have an upper curved portion (55) (curved portion 53) between the base end portion (51) and a tip portion (52).

This invention provides a controllable transport device and method for inert particles, including a light spot projection structure, a sample stage, a particle carrier, and a camera. The particle carrier is placed on the sample stage, and the light spot projection structure is located below the sample stage, projecting a light spot onto the particle carrier. The camera is located above the sample stage. The particle carrier includes a photocatalytic film, a cover glass, and a gasket. The gasket is disposed between the photocatalytic film and the cover glass, and a cavity is provided in the center of the gasket. The cavity contains a mixed aqueous solution including fuel liquid and inert colloidal particles. This invention does not require the assistance of an external electric field; it only requires modification of the external excitation light source to enable it to generate microscale light spots through a solid mask or a micro-projector device. The device has a simple structure, is easy to operate, low in cost, and has good controllability.

A high-temperature tank (116) includes an optical window which transmits a laser (132) and is provided at one end, and a right-angle conical mirror (102) which is provided at the other end, has an opening (106) at the apex and which reflects laser light (132) incident from the optical window towards the one end in an area other than the opening (106). A magnetic field generator (112) generates a magnetic field in the region of intersection of the laser reflected by the right-angle conical mirror (102). A magnetic field gradient relaxation module (130) generates a relaxation magnetic field which relaxes the gradient of the magnetic field generated by the magnetic field generator (112).