78 results about "Synchrotron" patented technology

The invention relates to a multi-principal element alloy local lattice distortion measurement method based on a synchrotron radiation X-ray atom pair distribution function, which comprises the following steps: preparing an experimental material, and collecting two-dimensional diffraction data by using synchrotron radiation high-energy X-rays; separating local and average structure information through an atom pair distribution function; and verifying local distortion causes by combining structure fitting and DFT supercell relaxation. According to the method, the accuracy of capturing the local distortion of the atomic scale can be improved, the integrity of statistical information of the local structure distortion of the quantitative characterization material can be fully supplemented, and high-precision measurement and quantitative analysis of dynamic distortion can be systematically realized.

The present invention relates to a synchrotron fast-response magnetic alloy high-frequency system, comprising: a control circuit for generating a waveform signal; a full-solid-state power source for receiving the waveform signal and performing power synthesis to generate a power signal; an impedance phase compensator for realizing impedance rise and fall and phase compensation; an impedance transformer for realizing impedance transformation to achieve impedance matching between the full-solid-state power source and the magnetic alloy-loaded resonant cavity; a magnetic alloy-loaded resonant cavity for receiving the power signal and generating a radio frequency signal to operate on the heavy ion beam; and a sampling circuit for sampling the radio frequency signal and feeding it back to the control circuit. The synchrotron fast-response magnetic alloy high-frequency system provided by the technical solution of the present invention has performance indicators of low frequency, high bandwidth, fast rising of voltage signal and response, and can output single-sine and half-sine waveforms, realizing the functions of capturing, accelerating and Barrier Bucket bunch accumulation for various heavy ion beams.

The invention relates to the technical field of spectral measurement and analysis, and discloses an in-situ cell for rapid and continuous synchrotron radiation X-ray absorption spectrum measurement, the in-situ cell comprises a housing 1, one side of the housing 1 is provided with two through holes, and a counter electrode and a reference electrode are respectively fixed in the two through holes; the first shell and the second shell are correspondingly arranged, and square optical windows are arranged in the center of the second shell and the center of the first shell; the first shell and the second shell are each provided with a hole channel, the two hole channels are located on the two sides of the square optical window respectively, and a working electrode is fixedly arranged between the second shell and the first shell. The in-situ synchrotron radiation X-ray absorption spectrum measuring device is suitable for in-situ synchrotron radiation X-ray absorption spectrum measurement in a time-resolved energy dispersion / transmission mode, and through real-time supply and circular flow of the electrolyte on the surface of the working electrode, the uniformity of the X-ray penetrating through a solution layer is ensured, the elimination of product gas is accelerated, the influence of solution disturbance on a test signal is reduced, and the test stability is improved.

The application discloses a high-frequency shielding bellows and a synchrotron radiation accelerator with the same, which comprises a bellows outer tube extending along a first direction; a shielding tube arranged on the radially inner side of the bellows outer tube and comprising two beam flow pipes extending along the first direction and arranged at intervals in the first direction, and the opposite ends of the two beam flow pipes are fixed with the bellows outer tube respectively; and a sliding unit comprising a sliding piece extending along the first direction, the sliding piece being a conductive piece, and the two ends of the sliding piece are configured to be always slidably attached to the beam flow pipe on the same side along the first direction. According to the high-frequency shielding bellows, when the electron beam flows, a continuous mirror wall current path can be formed, good electrical contact is maintained, high-order mode leakage and electron beam instability are effectively inhibited, and the heating phenomenon caused by the excessive wall resistance of the bellows outer tube can be avoided, so that the reliability of the high-frequency shielding bellows is significantly improved.

A single-circle injection system for a heavy ion synchrotron cancer treatment device comprises a cutting magnet, a focusing quadrupole magnet, a deflection electrode and an impact magnet, the cutting magnet, the deflection electrode and the impact magnet are all arranged on the two sides of the focusing quadrupole magnet on a synchrotron main ring track, the cutting magnet is located on one side, and the deflection electrode is located on the other side. The deflection electrode and the impact magnet are located on the other side, are directly installed on a main ring track of the synchrotron and are arranged at the positions where an injection beam is about to intersect with a closed track of the synchrotron. And the deflection electrode and the impact magnet are used for compensating the residual angle deviation, so that the beam current is completely matched with the main ring track. The invention has the advantages of high-efficiency beam transmission, simplified structure, reduced cost and flexible energy switching.

An in-situ cartridge comprises a substrate for holding a sample wherein said substrate comprises an electron transparent window for receiving said sample and at least one optical waveguide for illuminating said sample wherein a first edge of the at least one optical waveguide is optically couplable with a light source, wherein the at least one optical waveguide is integrated in the substrate and is extended from an edge of the substrate towards the electron transparent window. In this configuration, only the substrate carrying the sample needs to be modified. Bringing the optical waveguide in the vicinity of the sample allows for various additional light sensing techniques, as well as heating and application of electric fields.

The application provides a synchrotron motion control system with redundant position feedback, comprising: four sets of grating rulers, four sets of servo motors, two sets of inclinometers, installed at each end of the synchrotron; photoelectric limit, electromechanical limit, hard limit, emergency stop button, alarm and indicator light; slave control cabinet, comprising a PLC controller, which is provided with a motion control module and a logic control module; servo driver, connected with the servo motor and the motion control module; position input module, connected with the grating ruler and the motion control module; analog input module, connected with the inclinometer and the logic control module; digital input module, connected with the photoelectric limit, electromechanical limit, emergency stop button and the logic control module; digital output module, connected with the indicator light, alarm and the logic control module. The application also provides corresponding methods. The system has fast response speed, high dynamic performance, high control precision, and redundant position feedback and protection.

The application provides a synchronous accelerator multi-harmonic beam trajectory reconstruction method and system, and relates to the technical field of accelerators. The method comprises the following steps: obtaining an accelerating cavity high-frequency signal of the synchronous accelerator, so as to generate a frequency-synchronized reference waveform according to the accelerating cavity high-frequency signal; setting a phase trigger window based on the reference waveform, so as to control the synchronous acquisition of beam signals of a full ring of the synchronous accelerator by a beam diagnosis device of the full ring; performing time domain analysis on the beam signals to obtain an effective beam signal interval, so as to calculate position data of the beam signals based on the effective beam signal interval; and reconstructing the motion trajectory of the beam according to the position data of the beam signals, which can accurately identify and associate the data of the same beam in the multi-harmonic acceleration process.

The present invention discloses a serial crystallography experimental device based on conveyor belt technology. The device comprises a goniometer head, a base film, and a crystallization plate storage tray. The bottom end of the goniometer head is provided with a goniometer head groove for coupling with the goniometer head base on a synchrotron beamline station. The top end of the goniometer head is provided with two goniometer head support rods for coupling with bearing short rods, and a goniometer head waste liquid tank for collecting waste liquid after X-ray irradiation. The base film is coupled to the crystallization plate storage tray for supporting and flipping the crystallization plate storage tray. During the experiment, the crystallization plate storage tray, equipped with a sitting drop in situ crystallization plate, is coupled to the base film. The low background scattering film on the back of the sitting drop in situ crystallization plate is connected to the bearing short rod via an adhesive film to form a conveyor belt film. Driven by a motor, the bearing short rod tears off the conveyor belt film during sample delivery to the goniometer head and performs diffraction data acquisition. Waste sample droplets are squeezed out and flow down the goniometer head support rods into the waste liquid tank.

The application relates to the technical field of synchrotron, in particular to an ion implantation device and method capable of accelerating ions with different mass-to-charge ratios simultaneously, wherein the ion implantation device comprises a laser ion source chamber, a multi-beam RFQ accelerator and a terminal target chamber; the laser ion source chamber can generate plasmas with different mass-to-charge ratios in sequence; the multi-beam RFQ accelerator comprises at least two acceleration channels, the plasmas accelerated by the at least two acceleration channels have different mass-to-charge ratios, each acceleration channel is provided with an on-off mechanism at an inlet end of the acceleration channel to open or close the acceleration channel, and an outlet end of each acceleration channel is communicated with the terminal target chamber; the plasmas with different mass-to-charge ratios are injected into the terminal target chamber in sequence after being accelerated in the corresponding acceleration channels; the ion implantation method comprises first layer ion implantation, second layer ion implantation and Nth layer ion implantation; thus, the ion implantation device and the ion implantation method can accelerate and transmit beam flows with different mass-to-charge ratios, and plasmas with different mass-to-charge ratios can be doped on a target material in different depths.

The utility model relates to an injection and extraction static deflector for a proton helium ion therapy synchrotron, which comprises a cutting plate, a cathode, a first support plate, a second support plate and a vacuum cylinder, the first support plate and the second support plate are positioned on the same plane, the cutting plate is movably mounted in the vacuum cylinder through the first support plate, and the cathode is arranged in the vacuum cylinder. The cathode is a titanium electrode and is movably installed in the vacuum cylinder through a second supporting plate. According to the injection and extraction electrostatic deflector for the proton helium ion treatment synchrotron, the positions and deflection angles of the deflector can be respectively adjusted as required through the first supporting plate and the second supporting plate which can be independently adjusted, the cutting plate and the cathode; therefore, different precession distances, field intensities and deflection angles required by proton and helium ion injection and extraction are realized.

This application discloses a method for autonomously adjusting the temperature of a satellite solar array and a satellite communication system. The method includes: acquiring the value of a telemetry anomaly flag at the synchrotron point; determining whether the satellite is normal in each orbital cycle based on the value of the telemetry anomaly flag; if normal, determining whether an auxiliary heating circuit activation command has been sent within the orbital cycle; if not, acquiring the current overall satellite status information; determining whether preset conditions for activating the auxiliary heating circuit are met based on the current overall satellite status information; if met, sending an auxiliary heating circuit activation command to activate the heating circuit on the auxiliary heat sink, thereby achieving on-orbit closed-loop temperature control. This application solves the technical problem in the prior art that the system temperature cannot be reduced by adjusting the solar incidence angle.

The invention belongs to the technical field of biological sample experiments, and particularly relates to a synchrotron radiation infrared spectrum miniature vacuum device for biological sample experiments, which comprises a vacuumizing mechanism and a sealing cover, the vacuumizing mechanism comprises a tray, a sealing box, a support pad, a gas pipe, a miniature nitrogen cylinder, a gas flow controller, a miniature vacuum pump and a control valve, a sealing box is arranged at the top of the tray, a supporting pad is arranged at the bottom of an inner cavity of the sealing box, the left side and the right side of the sealing box are communicated with air pipes, and the outer end of the air pipe on the right side is connected with a miniature nitrogen cylinder. Or the sealing box is slowly filled with the nitrogen in the micro nitrogen cylinder, so that the sealing box is filled with the nitrogen, the synchrotron radiation infrared spectrum test can be conveniently carried out, result bias is avoided, a treatment mode can be selected according to requirements, and the application range is expanded.

The utility model belongs to the technical field of synchrotron X -ray absorption spectrum test, concretely is a kind of synchrotron X -ray absorption spectrum liquid sample temperature control test cell, including the upper layer heating pool body, upper layer gasket, upper layer cover plate, film, lower layer cover plate, lower layer gasket, lower layer heating pool body that are sealed connection in turn, the utility model can accurately control the thickness and temperature of liquid sample;Conical frustum's observation window is set in the both ends of test cell, supports transmission mode and fluorescence mode test;Different temperature liquid medium is realized to the accurate temperature control of sample by annular flow channel circulation;Diamond window is embedded in the center of cover plate, liquid sample is directly dropped on diamond surface, diamond window can guarantee the controllable thickness of sample liquid layer in the temperature change / heating process being tested.The utility model has important significance to the structure change of liquid sample under different temperature conditions, reaction kinetics and catalytic mechanism.

The application relates to a synchrotron for a proton-helium ion therapy device, which comprises eight dipole deflection magnets connected in sequence through eight straight-line sections to form a ring structure, the deflection angle of the eight dipole deflection magnets is 45 degrees, and the maximum magnetic field strength is 2.4T; the eight straight-line sections comprise four long straight-line sections and four short straight-line sections, which are used for accelerating the helium ion beam from an injection energy of 8-10 MeV / u to 200-235 MeV / u and leading out for helium ion therapy, or accelerating the proton beam from an injection energy of 8-10 MeV to 200-750 MeV and leading out for proton therapy. According to the synchrotron for the proton-helium ion therapy device, the structure is very compact, unnecessary gaps and magnet elements are reduced, the circumference of the whole accelerator is reduced, the space of the synchrotron is effectively utilized, and the construction cost of the device and the building is reduced to the maximum extent, and the treatment cost is reduced.

To provide a dielectric composition or the like having a small decrease in relative permittivity before and after application of a DC high voltage and having a high relative permittivity under a high electric field.SOLUTION: A dielectric composition according to the present invention comprises a crystalline phase comprising an Sr2NaNb5O15 based oxide having a tungsten bronze structure. The Sr2NaNb 5O15 based oxide has, in a synchrotron radiation XRD pattern measured at a measurement wavelength of 0.85 Å, a crystal structure having a peak top of the synchrotron radiation XRD pattern in the range of 10.7° to 11.0° at a diffraction angle 2θ and the ratio of the intensity of the peak having the peak top to the intensity of the maximum peak having the maximum intensity in the Sr2NaNb5O15 based oxide in the synchrotron radiation XRD pattern is 0.0043 or more.SELECTED DRAWING: Figure 4

The utility model discloses a punching and grounding coplanar waveguide structure suitable for synchrotron radiation X-ray measurement. The punching and grounding coplanar waveguide structure comprises a dielectric substrate, a first metal surface layer and a second metal surface layer, wherein the first metal surface layer and the second metal surface layer are respectively positioned on the upper surface and the lower surface of the dielectric substrate; a coplanar waveguide signal conductor is arranged in the first metal surface layer; a non-metal through hole is formed in the middle of the dielectric substrate, and a plurality of metalized through holes for connecting the first metal surface layer and the second metal surface layer are formed in the periphery of the dielectric substrate; one end of the coplanar waveguide signal conductor is in direct short-circuit connection with the first metal surface layer to form a microwave magnetic field stagnation point, and the other end is separated from the first metal surface layer through a gap. According to the utility model, through the design of the coplanar waveguide signal conductor of which the single end is directly short-circuited and grounded and the non-metal through hole close to a microwave magnetic field stationary point, excellent microwave magnetic field stability is realized in a broadband range, the microwave magnetic field intensity is obviously enhanced, and the sensitivity and the resolution of synchrotron radiation X-ray measurement are improved.

The application belongs to the technical field of strong current ion synchrotron, and relates to an accelerator slow extraction radio frequency excitation device, which comprises a digital programmable signal source, a microwave bridge, a power amplifier, an exciter and a high-power attenuator, the output end of the digital programmable signal source is connected with the input end of the microwave bridge, the output end of the microwave bridge is connected with the input end of the power amplifier, the output end of the power amplifier is connected with the input end of the exciter, the exciter is used for feeding radio frequency power to the pole plate of the exciter, the output end of the exciter is connected with the input end of the high-power attenuator, and the output end of the high-power attenuator is connected with the input end of the digital programmable signal source. The device has the functions of monitoring the output power of the power amplifier and whether the excitation pole plate works normally in real time, can realize high efficiency of slow extraction excitation (high transverse shunt impedance), and takes into account the working bandwidth.

The utility model discloses a time-resolved synchrotron radiation X-ray absorption spectrum and mass spectrum combined test system. The system comprises a light source, a fast scanning monochromator, a slit, a first ionization chamber, a sample chamber and a second ionization chamber which are sequentially arranged in the X-ray propagation direction, a fluorescence detector or a solid detector which is arranged perpendicular to the optical axis of the sample chamber, and a mass spectrometer which is connected with the tail end of the sample chamber, the data acquisition system is connected with the first ionization chamber, the second ionization chamber and the mass spectrometer at the same time and can obtain time-resolved XAS spectrogram information of the sample and MS spectrogram information of real-time changes of reactants and products in the reaction process. The system combines the rapid and high-precision structure and electronic state analysis capability of time-resolved synchrotron radiation X-ray absorption spectrum (QXAFS) and the high-sensitivity substance real-time detection capability of mass spectrum (MS) analysis technology, and realizes real-time monitoring of dynamic change of a catalyst structure and distribution of reactants and products.

The application relates to the technical field of synchrotron radiation beam lines, in particular to an actively controlled synchrotron radiation focusing mirror device, wherein a horizontal hinge pair and a vertical hinge pair are guiding mechanisms of focusing mirror movement, a rotating driver is a driving, measuring and feedback element of the focusing mirror movement, and an active controller is a control core of an active control motion platform. The actively controlled synchrotron radiation focusing mirror device provided by the application has high control precision and strong disturbance suppression capability, and can realize milliradian stroke and nanoradian level resolution key indicators.

The invention discloses a corrugated pipe and a synchrotron radiation accelerator with the corrugated pipe, and the corrugated pipe comprises a corrugated outer pipe which extends along a first direction; the shielding pipe is arranged on the radial inner side of the corrugated outer pipe and comprises two beam current pipelines, the two beam current pipelines extend in the first direction and are arranged at intervals in the first direction, and the opposite ends of the two beam current pipelines are fixed to the corrugated outer pipe; the sliding unit comprises a sliding part extending in the first direction, the sliding part is a conductive part, and the two ends of the sliding part are configured to be attached to the beam pipelines on the same side in the first direction in a sliding mode all the time. According to the corrugated pipe, high-order mode leakage and electron beam instability can be effectively restrained, the heating phenomenon caused by too large resistance of the corrugated outer pipe wall is avoided, meanwhile, the corrugated pipe has a reliable deformation compensation function, and therefore the reliability and applicability of the corrugated pipe are remarkably improved.

The present invention relates to a synchrotron continuous variable energy extraction method, comprising the following steps: using a synchrotron high-frequency system to adjust particle energy so that the particle energy passes through a predetermined variable energy range; during this process, by controlling the synchrotron high-frequency system and the strength of the dipole iron, quadrupole iron, and hexapole iron magnetic fields, the particles are allowed to stably run in a circular orbit of the synchrotron; during the entire process of the particle beam energy passing through the variable energy range, a radio frequency excitation device is used to continuously excite the particles to overflow from a transverse phase space stable region and enter an electrostatic deflector, and the particles are separated from the circular orbit of the synchrotron under the action of the electrostatic deflector, wherein the energy time interval and energy value interval of the particles overflowing from the transverse phase space stable region are sufficiently narrow so as to be considered to meet the requirements of continuous energy extraction.

This invention discloses a one-dimensional polymeric nitrogen chain, its preparation method, and its applications. The one-dimensional polymeric nitrogen chain is an allotrope of nitrogen and has an orthorhombic crystal structure. Cmc The 21-phase structure consists of infinite nitrogen chains extending along a one-dimensional direction, with bond types primarily N=N and N-N, exhibiting a typical serrated [-N=N-N=N-] chain framework. The preparation method involves nitrogen polymerization induced by laser heating under high pressure. In-situ Raman spectroscopy and synchrotron X-ray diffraction experiments characterized the product, confirming the formation of a novel one-dimensional polymerized nitrogen chain. Theoretical calculations indicate that this structure exhibits approximately 2.723 g / cm³ at ambient pressure. 3 It boasts high density and a high energy density of approximately 8.78 kJ / g. This makes it applicable to the field of all-nitrogen energy materials, laying the foundation for the widespread application of novel green high-energy materials.

The present application relates to a multi-energy extraction method of a synchrotron, comprising the following steps: setting the dispersion and chromaticity of a synchrotron ring to meet the Hardt condition; under the action of a radio frequency electric field voltage, the energy of charged particles passes through a plurality of beam extraction stages suitable for extracting charged particle beams and a plurality of deceleration and energy reduction stages connected between the beam extraction stages in sequence with the change of the magnetic field of the synchrotron ring, and the charged particle beams are extracted at corresponding energies (E1, E2, E3) in each beam extraction stage by adjusting the beam transverse phase stability triangle area and the transverse radio frequency excitation beam emittance growth, wherein the reference particle transverse phase stability triangle area remains unchanged in each beam extraction stage, and the extraction boundary line of the beam transverse phase stability triangle in each beam extraction stage and the extraction boundary line of the reference particle transverse phase stability triangle always coincide due to the satisfaction of the Hardt condition.

This invention relates to the field of in-situ characterization of solid-state batteries, specifically an all-solid-state battery in-situ cell adapted to synchrotron radiation resonance soft X-ray scattering beamlines. The cell includes a main body composed of an upper cell, a lower cell, and a middle cell. The upper and lower cells share a first light-transmitting aperture. A battery housing mechanism includes a receiving slot in the middle of the middle cell, within which a battery assembly is housed. An electrical connection mechanism includes a positive conductive post embedded in the upper cell and a negative conductive post embedded in the lower cell. A temperature monitoring mechanism includes mounting slots on opposite sides of the middle and lower cells, where thermocouples are installed. This in-situ cell exhibits strong testing stability, and its ultra-thin structure meets the penetration requirements of RSoXS soft X-rays. It allows for simultaneous acquisition of multiple parameters, enabling simultaneous monitoring of voltage, current, temperature, and scattering signals.

The present invention provides a click chemistry imaging label visible to synchrotron X-rays and a preparation method thereof. The preparation method comprises the following steps: 1) adding ammonia water to an ethanol solution, adding a dopamine hydrochloride solution to react to obtain polydopamine; 2) neutralizing the solution, purifying the polydopamine by dialysis after ultrasound; 3) adding polydopamine to ammonia water, adjusting the pH to weak alkalinity, adding a click reaction group modification reagent, and separating and purifying after the reaction; 4) dissolving the metal ions and the modified polydopamine in a buffer system; 5) reacting for a period of time until a compound is generated; and 6) dripping the solution of the obtained compound onto a substrate, and observing the image under synchrotron X-rays. The present invention successfully prepares a click chemistry imaging label visible to synchrotron X-rays, laying a good foundation for further preparing a variety of synchrotron X-ray click chemistry imaging probes and achieving high-specificity recognition and high-resolution imaging of a variety of biological molecules in cells.

The invention discloses a free silicon dioxide content determination and analysis method which specifically comprises the following steps: A1, quickly screening a dust sample to be detected by adopting laser-induced breakdown spectroscopy to obtain the characteristic spectral intensity of a silicon element in the sample, and preliminarily judging the existence probability of free silicon dioxide; a2, performing synchrotron radiation X-ray diffraction analysis on the sample subjected to laser-induced breakdown spectroscopy screening, and realizing second-level silicon element pre-judgment through laser-induced breakdown spectroscopy rapid screening by utilizing the characteristics of high flux and high resolution of a synchrotron radiation light source, so as to avoid deep analysis of an invalid sample and improve the detection accuracy; synchrotron radiation X-ray diffraction high-throughput scanning is combined with Raman imaging automatic identification, and microwave-ultrasonic cooperative sample preparation shortens the pretreatment time of a traditional pyrophosphoric acid method by 80% or more, the time consumed by the whole process is shortened to 30 minutes or less from several hours of the traditional method, 90% of manual operation links are reduced, and the method is suitable for high-throughput analysis of large-batch industrial dust samples.

FIELD: inorganic chemistry.SUBSTANCE: invention can be used in magnetic, optical, magneto-optical, X-ray and resonance studies, as well as in new generation synchrotron technologies. A charge is prepared comprising, by wt.%: (Fe2O3 + Ga2O3) 4.9; B2O3 58.3; PbO 25.0; PbF2 11.8. The prepared charge is melted in small portions into a platinum crucible at 870 °C, which is then placed in the gradient-free zone of the growth furnace and heated for melting to 900 °C for 4 hours. A platinum crystal holder is lowered into the resulting melt solution, rotating it at a speed of 20-60 rpm, and homogenized at this temperature, holding for 20-24 hours. After this, temperature surges are carried out cyclically, consisting of rapid cooling with holding and heating with holding. During the first and second cycles of temperature surges, the temperature is sharply reduced to 800-820 °C for 20 minutes and maintain at this temperature for 2-4 hours, then heat to 900 °C for 20 minutes and maintained at this temperature for 4-12 hours. In the third cycle, the temperature is sharply reduced to 800-810 °C for 20 minutes and kept at this temperature for 2-3 hours, then heated to 830-835 °C in 20 minutes and maintained at this temperature for 3-4 hours. After the specified temperature changes, the temperature is sharply reduced in 15 minutes to 805-810 °C and isothermal holding is carried out for 0.5-1 hour, during which the rotation of the crystal holder is turned off. Then smooth cooling is carried out at a rate of 0.1-0.3 °C / h up to 780 °C, the synthesized crystals are released from the crucible by smoothly removing the crystal holder from it at a speed of 0.5 cm / min. Final cooling of the furnace is carried out for 4-6 hours to a temperature of 500 °C with subsequent shutdown. The invention makes it possible to grow single crystals of Fe1-xGaxBO3, where 0≤x<0.2, in the form of plates up to 5 mm in diameter.EFFECT: improved performance.1 cl, 2 dwg, 3 ex

The invention relates to the technical field of magnetic material characterization and synchrotron radiation X-ray measurement, and discloses a synchrotron radiation device and method for measuring surface and bulk phase GHz spin precession of a magnetic material, and the synchrotron radiation device comprises a cold rod main body and a replaceable signal detection front end; a microwave transmission line, a plurality of paths of electrical signal lines and a liquid nitrogen flow channel are integrated in the cold rod main body; a standardized interface is arranged at the tail end of the cold rod main body; and the signal detection front end is detachably connected with the cold rod main body through the standardized interface to form a complete detection unit. According to the invention, in-situ multi-mode detection is realized by adopting a modular design, under the same low-temperature system and microwave excitation condition, spin precession signals sensitive to the surface and the body phase can be respectively or even simultaneously obtained only by replacing the front-end module, and inconvenience and errors caused by replacement of different devices in a traditional method are avoided.

The invention relates to the technical field of mechanical and electrical installation of particle accelerators, in particular to a direct-current cable wiring system of a synchrotron, which comprises an annular bridge for laying a direct-current cable; the plurality of power supplies are arranged on the inner ring side of the annular bridge frame; the electromagnets are uniformly arranged along the outer ring side of the annular bridge frame; and the direct current cable is laid along the annular bridge frame and is electrically connected between the power supply and the corresponding electromagnet. The scheme is used for overcoming the defects that in the prior art, direct current cable wiring is disordered, electromagnetic interference is serious, maintenance is difficult, and due to the fact that a wiring path is unreasonable, current stability is poor, heat effect is concentrated and mechanical stress is uneven, and high-precision, high-stability and high-reliability magnet power supply and long-term stable operation are achieved.