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Variable inclusion angle planar variable line spacing grating monochromator (VLS-PGM)
The variable inclusion angle planar variable line spacing grating monochromator (VLS-PGM) is composed of a plane mirror (PM) and a planar variable line spacing grating (VLSG). The system selects wavelengths by changing the inclusion angle of the grating by rotating the plane mirror off-axis, and has ultra-high precision, repeatability and stability. At the same time, safe and reliable operation can be achieved through a dedicated motion control system. It has been widely used in the optical line of synchrotron radiation sources.
Planar equally spaced grating monochromator (PGM)
Planar equally spaced grating monochromator (PGM) adopts an optical system based on C-T arrangement. Through the switching of two gratings and ultra-high-precision grating scanning function, it can distinguish different wavelength beams. The system has ultra-high precision and repeatability. and stability, and has been widely used in beam lines of synchrotron radiation sources.
Crystal monochromator
The crystal monochromator is an important device in the synchrotron radiation beam line. It uses the Bragg diffraction principle of the crystal to monochromatize the continuous spectrum of synchrotron radiation. The twin-crystal monochromator is one of the important ones, and it consists of two crystals placed in parallel. Among them, the front-end crystal uses a liquid nitrogen cooling device to resist high heat load; the back-end crystal uses a high-precision and high-resolution adjustment mechanism to ensure that the exit beam direction of the dual-crystal monochromator remains unchanged.
X-ray Raman Spectroscopy Experiment Station
The X-ray Raman spectroscopy experimental station is mainly used for photon collection of X-ray Raman spectroscopy. It contains 25 analysis crystals, distributed on 10 vertical Rowland circles. Each crystal can be adjusted online in three dimensions: translation, pitch, and yaw. At the same time, the entire spectrometer also has precision adjustment functions for height and rotation, making it easy to install online.
X-ray Von Hamos Inspection Experimental Station
The X-ray Von Ham os detection experiment station mainly includes:
The ternary analysis crystal adjustment mechanism, detector adjustment mechanism and sample adjustment mechanism are installed in the vacuum cavity. The characteristic spectrum is obtained through wavelength dispersion, which is used to study the components, valence state, spin state and ligand identification of elements.
Radio frequency plasma cleaning system
The radio frequency plasma cleaning system is based on radio frequency plasma discharge technology and is a professional equipment used for cleaning optical components. The equipment is an integrated design, and with the support of functions such as high-precision gas flow quality control and automatic impedance matching, it has good system stability and environmental adaptability.
Precision adjustable slit
The precision adjustable slit is one of the important components in the optical system. After years of application and verification, the structure design is reasonable, the process route is mature, the operation is stable and reliable, and the slit opening is symmetrically adjustable online.
Beam cross section measurement system
The beam cross-section measurement system uses YAG or OTR to convert the invisible light beam or electron beam into a visible light spot, and observes the position and size of the spot through the optical imaging system to infer the position and size of the light beam or electron beam. The position of the target or other components of the system can be quickly and accurately switched, and a real-time video monitoring module is configured to provide online viewing capabilities. According to the radiation requirements, you can choose the straight-through video surveillance module and the corner video surveillance module.
Safety shutter
Safety shutter is a kind of ultra-high vacuum compatible safety protection equipment. It is pneumatically driven and can be equipped with a water-cooling mechanism as needed. It is widely used in large scientific equipment such as beam lines and can play a very good safety protection role for downstream equipment. The equipment has high stability and long service life.
Water-cooled four-blade diaphragm
The water-cooled four-blade diaphragm is an auxiliary device compatible with ultra-high vacuum. The diaphragm opening can be adjusted manually or electrically. It can be completely closed and can effectively block upstream stray light from entering the downstream system as needed. This device has a water-cooled structure and can be used in high-energy beam line systems. It has the characteristics of compact structure and easy adjustment.
Four-blade diaphragm pump station
The four-knife aperture type pumping station is an ultra-high vacuum compatible auxiliary equipment that has the functions of a four-knife aperture and a pumping station. The aperture opening can be adjusted manually or electrically, which can be completely closed, effectively blocking upstream stray light from entering the downstream system as needed. This device is equipped with an ion pump, which can maintain the vacuum environment of the system.
Fluorescent target pump station
The fluorescent target pumping station is an ultra-high vacuum compatible auxiliary equipment that has the functions of both a fluorescent target and a pumping station. The fluorescent target uses a fluorescent screen or YAG sheet to convert the invisible light spot into a visible light spot, and observes the position and size of the spot through an optical imaging system to infer the position and size of the light beam. The target of the system can be quickly and accurately switched to enter or leave the optical path, and is equipped with a real-time video monitoring module to provide online viewing capabilities. This device is equipped with an ion pump, which can maintain the vacuum environment of the system.
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