14 results about "Synchrotron" patented technology

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 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.

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.

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.

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 present invention relates to an electrochemical cell for X-ray scattering and absorption experiments that is configured to reduce bubbles in the electrolyte used for X-ray measurement and lower the scattering of X-rays to increase measurement accuracy, and configured to achieve high measurement efficiency even with low X-rays, thereby enabling further miniaturization and weight reduction.

The application provides a kind of method and system for dissimilar metal molten pool flow visualization based on synchrotron radiation.The method comprises preparing dissimilar metal sample;Clamping dissimilar metal sample in sample clamping table, adjusting the X-ray incident direction of synchrotron imaging device to penetrate dissimilar metal sample;Irradiate dissimilar metal sample with laser;Transmitting imaging of mixed molten pool is carried out using synchrotron radiation source, and a sequence of transmission imaging is obtained;The transmission imaging sequence is analyzed to obtain the dynamic migration and flow pattern image information and data of the metal in the mixed molten pool.The method does not need to introduce tracer particles or bubbles, and does not change the intrinsic flow of the molten pool;The imaging contrast is high, the space-time resolution is high, the real and repeatable molten pool internal flow field information can be obtained, and it is suitable for the molten pool dynamics research and mechanism analysis in the process of laser welding and additive manufacturing, to provide reliable data support for molten pool flow model verification and process optimization.

The application discloses a kind of laser additive manufacturing device and method based on in-situ characterization of synchrotron radiation, belong to additive manufacturing and synchrotron radiation characterization technical field.The device includes: laser processing system, synchrotron X-ray imaging system, multidimensional motion platform, powder supply system, environmental control system and synchronous control system;The multidimensional motion platform includes positioning mechanism and rotating mechanism, rotating mechanism is used to drive sample rotation around vertical axis, realizes the continuous adjustment of X ray observation angle.The application is by being provided with multidimensional motion platform with rotating mechanism, so it can be realized that X ray observation angle is continuously adjustable by driving sample rotation around vertical axis, to break through the limitation of fixed observation angle in prior art, so multiple direction molten pool projection images can be acquired, eliminate the observation blind area of single view, can comprehensively capture the three-dimensional topography and dynamic evolution process of molten pool.

This invention discloses an in-situ X-ray high-temperature heating observation device suitable for synchrotron radiation nanobeam stations, comprising an observation cavity, a support sleeve, and a base connected sequentially from top to bottom; the observation cavity is provided with an X-ray transmission window; a heating element is provided inside the support sleeve; and a clamp is provided on the heating element. The device of this invention has a compact structure and small size, and can be readily adapted to imaging platforms with extremely limited space, such as synchrotron radiation nanobeam stations. Furthermore, this invention uses heat conduction to heat the sample, resulting in more precise temperature control and improved accuracy of experimental data.

This invention provides a time-resolved ferromagnetic resonance measurement system, comprising a laser (for simultaneously outputting pulsed laser light and a synchrotron microwave synchronized with the pulsed laser), an optical path system, a sample module, a magnetic field module, a microwave modulation module, a photodetector, a signal extraction module, and a control unit. A delay module is configured to achieve controllable adjustment of the relative phase between the synchrotron microwave and the femtosecond probe light. The microwave modulation module modulates the synchrotron microwave and applies it to the sample. The photodetector converts the transmitted light signal into an electrical signal. The signal extraction module extracts the signal intensity and the relative phase between the modulated microwave and the pulsed laser. The control unit inverts the ferromagnetic resonance measurement parameters based on the above information. By sharing an optical clock with the same laser and combining delayed phase scanning, this system can reconstruct the time-domain magnetic moment response on the picosecond to nanosecond scale, directly obtaining the amplitude and phase of the magnetic moment in the transmission direction.

The present application relates to a kind of energy resolution testing device and method for 2.1-4keV synchrotron monochromatic light, device includes first cavity and displacement table, Si (111) analysis crystal and detector are arranged in the first cavity, the first cavity is located on the displacement table, the displacement table is used to make the first cavity rotate around X axis, to make the first cavity switch between first form and second form.The energy resolution testing device and method for 2.1-4keV synchrotron monochromatic light of the present application, when the first cavity is in the first form, 2.1-4keV synchrotron monochromatic light is incident analysis crystal with p polarization state, thereby reducing the influence of Darwin width too large, and accurately measure the energy resolution of synchrotron monochromatic light.

The application relates to a liquid-cooled high-gradient wide-band synchrotron high-frequency system loaded with magnetic materials, which comprises a liquid-cooled magnetic alloy cavity, a tube power source system and a low-level control system; the liquid-cooled magnetic alloy cavity comprises a cavity body, a magnetic alloy ring, a Busbar parallel feeder power transmission device and a cavity oil cooling system; the Busbar parallel feeder power transmission device is connected to a first tube output end of the tube power source system after being connected to a first Tank cavity, a third Tank cavity and a fifth Tank cavity in parallel, and the Busbar parallel feeder power transmission device is connected to a second tube output end of the tube power source system after being connected to a second Tank cavity, a fourth Tank cavity and a sixth Tank cavity in parallel; the cavity oil cooling system adopts a direct oil cooling structure to cool the cavity body; and the low-level control system is used for controlling the voltage of the cavity. The application can be applied to a synchrotron high-frequency system.