50 results about "Synchrotron light source" patented technology

The invention relates to the technical field of semiconductor energy material detection, and discloses a table type X-ray spectrometer multifunctional combined integrated in-situ experiment device, which comprises an X-ray source, a light source, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector and an X-ray detector, the sample table is used for adjusting the position of the sample in the light path; the flight pipeline is used for transmitting X-rays and signals; the detector is used for collecting electronic signals. By adopting the unique design of the X-ray monochromator and the focusing mirror, the measurement and analysis of an X-ray absorption fine structure and a crystal structure can be realized in a conventional laboratory environment without using a synchrotron radiation light source, and X-ray diffraction, scattering and absorption spectrograms comparable to a synchrotron radiation level are obtained with extremely high sensitivity and light source quality; qualitative and quantitative analysis, crystalline state and valence state analysis and long-range structure and short-range coordination structure analysis of elements are achieved, and grazing incidence X-ray diffraction, powder diffraction and XAS research can be conducted in real time.

The utility model discloses an in-situ synchrotron radiation device for testing a core element of a thin film capacitor, and belongs to in-situ synchrotron radiation testing equipment. In order to achieve in-situ synchrotron radiation testing of a core element of the thin-film capacitor, the core element is installed in a containing cavity of a shell, a temperature control mechanism is installed on the shell and adjusts the temperature of the containing cavity of the shell, and a high-voltage polarization power source is connected with the two ends of the core element to apply voltage. The pressure regulating mechanism comprises two pressure regulating plates and a pressure regulating driving assembly, the two pressure regulating plates are respectively mounted on two sides of the core element, and the pressure regulating driving assembly is connected with the two pressure regulating plates and regulates the distance between the two pressure regulating plates; the synchrotron radiation light source and the signal receiving plate are respectively arranged at two sides of the shell, two side walls of the shell are respectively provided with a light hole I, each pressure regulating plate is provided with a light hole II, the synchrotron radiation light source emits x-rays, the x-rays irradiate the core element, and then the x-rays are received by the signal receiving plate. The device is used for realizing the in-situ synchrotron radiation test of the core element.

The invention belongs to the technical field of synchrotron radiation light sources, and discloses a serial impact magnet device which comprises a shell assembly, a positive pulse electrode, a negative pulse electrode and a strip magnet. The shell assembly comprises a shell body and a side end cover which are detachably connected, and a magnetic core space is formed between the shell body and the side end cover. The positive pulse electrodes extend into the magnetic core space and are arranged at intervals. The negative pulse electrodes extend into the magnetic core space and are arranged opposite to the positive pulse electrodes, and the multiple negative pulse electrodes are arranged at intervals. The strip magnets are arranged in the magnetic core space, the strip magnets are connected between every two adjacent positive pulse electrodes, the strip magnets are connected between every two adjacent negative pulse electrodes, and the two strip magnets are spaced from each other to form a magnetic field space. The electron beam current can be transmitted in the magnetic field space. The tandem impact magnet device can improve the compact degree and the vacuum degree, facilitates the assembly of an internal structure, and can meet the injection requirements of electron beams of a synchrotron radiation light source.

The present invention relates to the field of solid propellant testing technology, and in particular to a solid propellant in-situ loading test device based on a synchrotron radiation light source. The device comprises a housing, a control panel installed on the housing, a drive motor electrically connected to the control panel installed on the housing, a symmetrical threaded rod rotatably connected to the housing, a threaded rod on one side fixedly connected to the output shaft of the drive motor, a threaded rod threadedly engaged with a first threaded protrusion of an adjacent sliding plate, a first gear fixedly connected to one end of the threaded rod fixedly connected to the output shaft of the drive motor, and a second gear meshing with the first gear fixedly connected to the threaded rod on the other side. The present invention makes the number of teeth of the first gear less than the number of teeth of the second gear, so that the tensile degree of the solid propellant sample is different within the same time, thereby simulating the stress conditions of the solid propellant under different actual conditions, thereby improving the test diversity and improving the test effect.

The invention relates to the technical field of impact experiment equipment, in particular to a light gas gun loading experiment sample assembling and adjusting device and method.The light gas gun loading experiment sample assembling and adjusting device comprises a power mechanism, a switching module, a sample adjusting frame and a sample frame which are detachably connected in sequence; axis consistent installation of an experimental sample and a gun barrel is achieved in a mechanical connection mode, rapid and accurate matching of relative positions of the experimental sample and the gun barrel is achieved, meanwhile, a power mechanism can be remotely driven to act, the relative positions of the sample and a light path of a synchrotron radiation light source can be remotely and accurately adjusted, and after the experimental sample and the gun barrel are installed and adjusted, the synchronous radiation light source can be accurately adjusted. According to the light-gas gun loading experiment sample assembling and adjusting device, the relative position of a synchrotron radiation light source and an experiment sample is adjusted, the sample assembling and adjusting precision is improved, the influence of the sample assembling and adjusting precision on an experiment result error is reduced, and the assembling and adjusting precision and efficiency can be improved by adopting the light-gas gun loading experiment sample assembling and adjusting device. And the installation and adjustment device is protected.

The application provides a kind of synchronous radiation light source data migration method, system and electronic equipment, relate to data storage technical field, the method can be based on the creation time, access time, access frequency and keyword search word frequency of data and other factors Quantification of the temperature of data, and according to this temperature, the future access mode of data is estimated, the accurate judgment of hot temperature cold data is realized, and the hot temperature cold data can be more reasonably stored in the corresponding hot temperature cold storage pool, solve the problem that the synchronous radiation light source data in the prior art exists in the process of data migration Data migration is not reasonable, the problem of low data migration efficiency.

The invention discloses a crystal orientation detection method and a related device, and relates to the technical field of crystal detection. The method comprises the following steps: irradiating a to-be-detected area of a to-be-detected sample by using rays generated by a synchrotron radiation light source; controlling the to-be-detected sample to rotate at a preset interval, and determining a diffraction vector of the diffracted light corresponding to each rotation angle in the sample coordinate system based on the transmitted light spot position and the diffracted light spot position respectively corresponding to the projection light and the diffracted light of the to-be-detected area to the ray at each rotation angle collected by the detector; and according to a preset crystal face index corresponding to the at least one rotation angle and the diffraction vector, determining an expression representing a conversion relationship between the sample coordinate system and the crystal coordinate system, and taking the expression as the crystal orientation of the to-be-detected sample. By rotating the sample to be detected, the crystal face detection blind area is reduced, and the crystal face indexes and the diffraction vectors of the multiple crystal faces are combined to jointly determine the conversion relation between the sample coordinate system and the crystal coordinate system, so that the accuracy of crystal orientation is improved.

The invention provides an X-ray photon correlation spectrum sample experiment platform which is suitable for being used in combination with an X-ray and an X-ray detector and is coaxial with the X-ray. The experimental sample platform comprises an optical collimation laser instrument, a filter device, a first light limiting element, a second light limiting element, a sample table, a temperature control module and a photoelectric detector which are coaxially arranged in sequence in the X-ray diffraction direction; according to the regulation and control method of the X-ray photon correlation spectrum sample experiment platform, the coherence degree of incident light is improved by using light limiting elements such as a small-hole diaphragm and limiting the size of incident light spots, coherent X-rays are accurately irradiated on a sample by positioning the sample, and the problem that an XPCS experiment cannot be carried out by a synchrotron radiation light source in China at present is solved.

The invention belongs to the technical field of leather cultural relic protection, and discloses an efficient and lossless leather cultural relic tanning strength determination method. According to the method, a synchronous radiation light source is adopted to obtain a wide-angle X-ray one-dimensional diffraction pattern of a leather cultural relic sample (the moisture content is 5%-10%), the transverse stacking distance between collagen molecules is calculated through the pattern, the tanning strength is calculated according to the transverse stacking distance, and rapid, lossless and accurate quantification of the tanning strength of the leather cultural relic is achieved. The method effectively solves the problems of scarcity of samples, irregular shapes and the like, and provides reliable scientific data support for evaluating the stability of leather cultural relics and developing preventive protection.

The application provides a kind of plasma extreme ultraviolet light source driven by high-order harmonic of synchrotron radiation, including target material from target material generator, and synchrotron radiation generating device aiming at target material, synchrotron radiation generating device is set to introduce and irradiate high-order harmonic synchrotron radiation main pulse to plasma, the plasma extreme ultraviolet light source further includes plasma generating device generating and emitting ionized target material beam to target material to obtain plasma, and the beam is high-power laser or high-energy synchrotron radiation pre-pulse.The plasma extreme ultraviolet light source of the application uses synchrotron radiation with high-order harmonic as driving light source and interacts with plasma, efficiently excites to generate high-power extreme ultraviolet light of certain wavelength, thereby effectively utilizes existing synchrotron radiation light source waste wave, realizes high-power output of extreme ultraviolet light.

The invention provides an X-ray genetic coding framework nucleic acid probe based on a synchrotron radiation light source as well as a preparation method and application of the X-ray genetic coding framework nucleic acid probe. The preparation method comprises the following steps: 1) constructing phagocytids containing enzyme and fluorescent protein expression sequences; (2) carrying out phage amplification on the phagocytids to obtain single chains with neck ring structures at two ends of a target sequence; 3) adding an enzyme digestion buffer solution containing Mg < 2 + > to cut off a target sequence; (4) carrying out ring connection on the target sequence linear single chain by using DNA ligase; 5) adding DNA excision enzyme to decompose non-target sequence DNA; 6) adding a customized staple chain to synthesize a framework nucleic acid probe; and 7) transfecting the genetic coding framework nucleic acid probe into the cells, adding a substrate reaction solution, and polymerizing the enzyme catalyzed substrate molecules to generate the X-ray visible polymer. According to the present invention, the method capable of actively entering the core to perform high-specificity recognition and high-resolution imaging on the intracellular biological target is provided, and the good biomedical application prospect is provided.

The invention discloses an in-situ corrosion fatigue crack growth rate measurement method based on a synchrotron radiation light source. The method comprises the following steps: carrying out an in-situ corrosion fatigue test based on three-dimensional imaging of the synchrotron radiation light source; after a preset number of cycle stress loading is carried out on the sample, a synchrotron radiation light source is adopted to collect projection images of coaxial phase contrast CT of different faults of a sensitive area of the sample; judging whether the sample is fractured and invalid, if so, entering the next step, otherwise, returning to the previous step; pre-processing the projection images, and extracting cracks with the maximum length in all the pre-processed projection images corresponding to the same cycle as fatigue cracks; and calculating the average crack growth rate during the two adjacent projection image acquisition periods according to the corresponding fatigue crack length and the interval cycle number during the two adjacent projection image acquisition periods.

To provide a radiation light source generator with excellent performance capable of achieving a high output function by applying a plurality of linear accelerators and reducing power consumption.SOLUTION: A synchrotron radiation source generating apparatus for emitting synchrotron radiation by accelerating an electron beam, comprising: an electron gun for emitting an electron beam; acceleration means arranged in parallel for continuously accelerating the electron beam emitted from the electron gun; a storage ring for storing the electron beam accelerated through the acceleration means; and an undulator for emitting synchrotron radiation from the electron beam stored in the storage ring.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of energetic materials, and discloses a particle explosive dynamic compression response X-ray synchronous diagnosis device and method. Comprising a load loading module, an image acquisition module and a data acquisition module, the load loading module comprises a fixing device and a sandwich plate used for fixing a test piece, the sandwich plate is provided with an incident rod which is in abutting transmission with the test piece, the incident rod is in transmission connection with the excitation assembly, and a pressure sensor is arranged between the sandwich plate and the fixing device; the image acquisition module comprises an X-ray synchrotron radiation light source and an attenuator, and X-rays emitted by the X-ray synchrotron radiation light source penetrate through the test piece and then irradiate the attenuator to form visible light; and the data acquisition module is used for acquiring and processing experimental data. The device is compact in structure, convenient to use, capable of achieving dynamic compression loading of different strengths of the particle explosive and obtaining high-speed photography and load data of the response process of the particle explosive under the dynamic compression load, practical, reliable and rich in measurement information.

The invention relates to a low time dispersion reflection type optical system and an ultrafast imaging streak camera, which are mainly used for solving the problems that an optical path difference about picosecond is introduced in a visible light spectrum range under the condition that a transmission type optical input lens is provided with a wide spectrum light source, so that the imaging quality and time resolution are influenced; and the technical problem that the streak camera in the existing synchrotron radiation light source device is difficult to measure the length of the electron beam bunch under the condition of low current intensity is solved. In the low-time-dispersion reflective optical system, a primary mirror, a third mirror and a secondary mirror form an off-axis three-mirror structure, a front mirror is arranged at the incident end of the off-axis three-mirror structure, a rear mirror is arranged at the emergent end of the off-axis three-mirror structure, and reflectors are adopted, so that time dispersion is effectively reduced; and only 2fs optical path difference is introduced for a light source in a visible light band spectral range, so that the optical lens has the characteristic of small time dispersion, and has remarkable advantages compared with the time dispersion of a traditional transmission-type optical lens in a visible light band picosecond order.

The invention relates to a synchrotron radiation X-ray pulse time width measuring device, which comprises a main clock, a time synchronization control device, an X-ray streak camera and an upper computer, and is characterized in that the main clock is used for providing a time reference for a synchrotron radiation light source, the time synchronization control device is connected with the main clock, and the X-ray streak camera is connected with the time synchronization control device; the upper computer is respectively connected with the time synchronization control equipment and the X-ray streak camera; the upper computer is used for enabling the time synchronization control equipment to transmit a trigger signal to the X-ray streak camera according to the time reference of the main clock, and a preset time delay exists between the trigger signal and the time reference of the main clock; the X-ray streak camera is used for receiving the X-ray pulse generated by the synchrotron radiation light source and collecting and outputting an X-ray pulse image under the triggering of the triggering signal; the X-ray pulse image is transmitted to an upper computer, so that the upper computer obtains the time width of the X-ray pulse according to the X-ray pulse image.

The invention discloses a filtering differential tube, a gas filtering pool and a beam suppression method, and belongs to the technical field of high-energy photon and particle beam regulation and control. Each filtering differential tube comprises a round tube, an end plate and a differential hole consisting of a front-end rectangular hole and a rear-end reducing hole, and the divergence of gas molecules is enhanced by the design of a reducing angle of 3 degrees; the gas filtering tank is connected in series through 12 stages of vacuum cavities and is configured with a graded pumping system, so that the higher harmonic absorption efficiency is optimized; and the beam effect is weakened by replacing the differential tube, so that the vacuum degree of the No.11 vacuum cavity is improved by 9.8%. The problem that a traditional gas filtering pool is remarkable in beam effect is solved, the vacuum degree of the 11 # vacuum cavity is improved, and the gas filtering pool can be widely applied to scenes such as synchrotron radiation light sources and particle accelerators.

The invention discloses a virtual beam line software platform for an advanced synchrotron radiation light source, and belongs to the field of synchrotron radiation experiment simulation, control technology and data processing. The platform adopts a three-layer architecture of a user interaction layer, a virtual equipment layer and a data management layer, and supports a full simulation experiment based on a physical model and a data reproduction dual-working mode based on a historical data set. The core of the method is that physical equipment is abstracted into a virtual instance conforming to an EPICS standard through a virtual equipment layer, and seamless compatibility with a real control code is achieved; the user interaction layer carries out experimental process arrangement based on a Bluesky framework; and the data management layer optimizes the access efficiency of mass scientific data by adopting a block reading and memory mapping technology. According to the method, the problem of experimental process fault caused by existing tool chain splitting is solved, full-process high-fidelity virtualization from experimental design, equipment control to data acquisition and analysis is realized, and a unified software environment is provided for construction debugging and operation optimization of a synchrotron radiation light source.

The application discloses a virtual beamline software platform for an advanced synchrotron radiation light source, and belongs to the fields of synchrotron radiation experiment simulation, control technology and data processing. The platform adopts a three-layer architecture of a user interaction layer, a virtual device layer and a data management layer, and supports two working modes of full simulation experiment based on a physical model and data reproduction based on a historical data set. The core lies in that the physical device is abstracted into a virtual instance conforming to the EPICS standard through the virtual device layer, seamless compatibility with real control code is realized, the user interaction layer is based on the Bluesky framework to arrange an experiment process, and the data management layer adopts block reading and memory mapping technology to optimize the access efficiency of massive scientific data. The application solves the experiment process fault caused by the fragmentation of an existing tool chain, realizes full-process high-fidelity virtualization from experiment design, device control to data acquisition and analysis, and provides a unified software environment for construction, debugging and operation optimization of the synchrotron radiation light source.

The application discloses a combined device for material surface and bulk phase testing, and belongs to the technical field of material analysis and testing. In order to study and analyze the micro-particle activity of the surface and bulk phase structure of a lithium ion battery multi-layer structure, the combined device comprises a hard X-ray photoelectron spectrometer (1) and an X-ray Raman scattering spectrometer (2). When incident hard X-rays (31) are obliquely incident on a sample (41) located at a sample point (4), electrons can be excited and photons can be scattered. The hard X-ray photoelectron spectrometer (1) can detect the electrons, and the X-ray Raman scattering spectrometer (2) can detect the photons. The combined device is based on a synchrotron radiation light source facility, and combines the hard X-ray photoelectron spectroscopy and the hard X-ray Raman scattering technology to be applied to lithium ion battery testing. The specific structure is simple, and the lithium ion battery can be subjected to synchronous analysis of the surface layer and the bulk phase structure.

The application discloses a crystal orientation detection method and related device, and relates to the technical field of crystal detection. The application adopts a ray generated by a synchrotron radiation source to irradiate a to-be-detected region of a to-be-detected sample; the to-be-detected sample is controlled to rotate at a preset interval, and based on transmission light and diffraction light of the to-be-detected region at each rotation angle collected by a detector, corresponding transmission light spot positions and diffraction light spot positions are determined, and a diffraction vector of the diffraction light corresponding to each rotation angle in a sample coordinate system is determined; according to a preset crystal plane index corresponding to at least one rotation angle and the diffraction vector, an expression representing a conversion relationship between the sample coordinate system and a crystal coordinate system is determined as a crystal orientation of the to-be-detected sample. By rotating the to-be-detected sample, a crystal plane detection blind area is reduced, and the conversion relationship between the sample coordinate system and the crystal coordinate system is determined by combining crystal plane indexes and diffraction vectors of multiple crystal planes, so that the accuracy of the crystal orientation is improved.

The invention relates to a nano multilayer film material based on a high-entropy alloy material, the nano multilayer film material comprises high-entropy alloy layers and low atomic number layers which are alternately arranged on a substrate, and the high-entropy alloy layers are selected from at least five of the following simple substance metal materials: Ni, Co, Fe, Nb, W, Mo, Ta, Ti, V, Cr, V, Si, Al and the like, and nitrides and carbides of the elements. Compared with the prior art, the high-entropy alloy material which is high in melting point, stable in phase state and slow in diffusion is adopted as the absorbing layer and the reflecting layer of the multilayer film, the prepared multilayer film has good interface quality and optical performance, and meanwhile, compared with a traditional material multilayer film, the prepared multilayer film is better in thermal stability and radiation resistance; the device is suitable for X-ray wave band application in high-temperature and high-irradiation working environments such as synchrotron radiation light sources, X-ray space observation, plasma diagnosis and the like.

An embodiment of the present application provides an alloy solidification imaging experiment method, device, system, solute detection method and equipment. The alloy solidification imaging device includes: a sample stage for carrying a target sample; a synchrotron radiation light source for emitting X-rays towards the target sample, with the incident direction of the X-rays forming a 45-degree angle with the target sample; a first imaging detector arranged along the exit direction of the X-rays, and the detection surface of the first imaging detector is perpendicular to the exit direction of the X-rays; a second imaging detector arranged parallel to the target sample, and the detection surface of the second imaging detector forms a 45-degree angle with the incident direction of the X-rays; a pinhole imaging structure arranged between the target sample and the second imaging detector, and the characteristic X-rays emitted from the target sample enter the second imaging detector through the pinhole imaging structure; a computer connected to the first imaging detector and the second imaging detector. The present application realizes the real-time determination of the solute field distribution during the alloy solidification process.

The invention discloses a plane positioning system based on a triangular synchronous light source, which is characterized in that an edge computing device on a to-be-positioned moving object uses an optical signal receiver (such as a silicon photocell) to receive light source signals deployed in an isosceles right triangle shape on a parallel plane, computes a phase difference, computes an optical path difference through triangulation, and determines the position of the to-be-positioned moving object according to the phase difference. And solving to obtain a possible coordinate point list, and screening out the obtained coordinates of the to-be-positioned object according to the received relative light intensity, so as to be applied to scenes such as vehicle and personnel positioning through street lamps in places such as parks, hospitals, prisons and the like.

The invention belongs to the technical field of electrochemical catalysis and characterization, and particularly relates to a longitudinal spatial resolution in-situ infrared electrolytic tank device for an electro-catalysis test, which is used for monitoring the longitudinal substance change of a catalyst layer in an electro-catalysis reaction in real time. Through high-precision longitudinal adjustment, the material distribution dynamic state in the catalyst and the longitudinal depth of the electrolyte in the electro-catalytic reaction is monitored in real time; the structural design of the infrared cell is optimized, and the compatibility with a synchrotron radiation light source and an electrochemical workstation is improved. And longitudinal layered detection: integrating a plurality of infrared probes or movable optical windows at different depths of the flow cell to realize signal acquisition along the flow direction. And dynamic signal analysis: establishing a real-time model of longitudinal substance distribution in combination with fluid mechanics simulation and spectral data. High pressure / high flow velocity is compatible; an optical window material and a cell body structure are optimized, and the stability of an infrared signal under a complex working condition is ensured.

The invention relates to the technical field of soft X-ray measurement, in particular to an in-situ soft X-ray fluorescence absorption spectrum acquisition system. Comprising a synchrotron radiation light source, a beam line monochromator, a beam monitoring device and a sample table which are linearly arranged in sequence, synchrotron radiation light emitted by the synchrotron radiation light source is monochromatized by the beam line monochromator and then is projected to a sample at the sample table with specific energy; the beam monitoring device measures the intensity of synchrotron radiation beam flow in real time, generates a first current signal and feeds back the first current signal to the numerical control terminal; a fluorescence signal acquisition device is erected around the sample table, the fluorescence signal acquisition device is used for capturing a fluorescence signal dissipated after the sample is irradiated by the synchrotron radiation light, generating a second current signal and feeding back the second current signal to a numerical control terminal, and the numerical control terminal is configured to control the beam line monochromator to perform energy scanning on the sample. And the first current signal and the second current signal which are received in real time are synthesized to generate a soft X-ray fluorescence absorption spectrum result.

This invention discloses a mechanical bending adjustment mechanism for a horizontal focusing mirror, comprising a bending mechanism, a base plate, a pitch fine-tuning mechanism, and vacuum wiring terminals. The bending mechanism features a mirror mount and a Twist adjustment mirror mount coaxially aligned along the plane mirror base, coupled with four sets of symmetrically arranged bending constraint hinges to achieve precise bending and compensation for mirror torsional errors. The pitch fine-tuning mechanism employs an eccentrically designed pitch adjustment hinge to compensate for the center of gravity offset of the bending mechanism, and works with a linear driver and grating encoder to achieve high-precision attitude detection and closed-loop adjustment. The vacuum wiring terminals enable sealed wiring in ultra-high vacuum environments. This invention achieves high-precision bending, precise compensation for torsional errors, and precise pitch adjustment. Its modular design supports offline debugging, is adaptable to ultra-high vacuum environments, and is suitable for large scientific facilities such as synchrotron radiation sources, semiconductor lithography, and other fields.

The invention discloses a synchrotron radiation light source micro-vibration high-precision control method based on data driving, and relates to the technical field of synchrotron radiation light source control, and the method comprises the steps: S1, data collection and preprocessing: collecting various data in the operation process of a synchrotron radiation light source, including but not limited to vibration data, beam energy and an experiment mode; s2, working condition identification and classification; s3, adjusting control strategy parameters; s4, micro-vibration high-precision control is carried out; and S5, performing performance evaluation and feedback optimization. According to the synchrotron radiation light source micro-vibration high-precision control method based on data driving, through data driving, the operation working condition of the light source can be recognized and classified in real time, when the operation working condition of the light source changes, parameters of a control strategy can be automatically adjusted, manual recalibration is not needed, self-adaptive high-precision control over micro-vibration under different working conditions is achieved, and high-precision control over micro-vibration under different working conditions is achieved. And the problem that the control precision is reduced when the working condition is changed in a traditional fixed control strategy is avoided.

The application discloses an insert superconducting strong magnet device for a synchrotron radiation light source, which comprises a base, wherein a superconducting strong magnet is connected to the base, beam passage assemblies are symmetrically arranged at both ends in the superconducting strong magnet, and superconducting coil assemblies are arranged between the beam passage assemblies; the device introduces the ability of superconducting materials to carry current without resistance in a superconducting state, and the current carrying capacity per unit area of the superconducting materials is about 100 times that of copper; compared with traditional permanent magnets and conventional electromagnets, the device can generate a higher magnetic field strength in a limited space, and thus can solve the problem that the magnetic field strength cannot be further improved by using the permanent magnets or the conventional electromagnets, and provide a periodic high magnetic field for the synchrotron radiation light source.

The invention belongs to the technical field of protection of leather cultural relics, and discloses an efficient and lossless identification method of vegetable tanned leather cultural relics. The method comprises the following steps: testing to obtain a synchrotron radiation light source small-angle X-ray one-dimensional diffraction pattern of the leather cultural relic, and observing whether the pattern has an obvious periodic diffraction peak or not; if no obvious periodic diffraction peak exists, the leather cultural relic is the vegetable tanning leather cultural relic; wherein the moisture content of the leather cultural relic is 5%-15%. Compared with the prior art, a non-destructive means is adopted, the cultural relic structure is ensured to be intact, and the cultural relic protection requirement is met; the identification process is efficient and rapid, an accurate result can be obtained only in 0.1-1 second, the identification period is remarkably shortened, and the manpower and time cost is reduced; the types of the leather cultural relics can be intuitively judged by observing diffraction peaks in a diffraction pattern, and the identification process is simplified; the technology is high in adaptability, is not influenced by the shape, form and preservation state of the cultural relics, does not need complex pretreatment, and is suitable for identifying various leather cultural relics.