National Natural Science Foundation of China(No.12205360);Shanghai Pilot Program for Basic Research-Chinese Academy of Science,Shanghai Branch(No.JCYJ-SHFY-2021-010).
This study presents a new method for characterizing the thermal lattice deformation of a monochromator with high precision under service conditions and first reports the operando measurements of nanoscale thermal latt...
Project supported by the National Natural Science Foundation of China(Grant Nos.12004426,U2030106,and 12304185);the National Key Scientific Instrument and Equipment Development Project of NSFC(Grant No.11227906);the National Key R&D Program of China(Grant No.2023YFA1406500)。
An innovative monochromator shielding is designed and implemented for the cold neutron spectrometers XINGZHI and BOYA operated by Renmin University of China at China Advanced Research Reactor.Via Monte Carlo simulatio...
funding from the National Key Research and Development Program of China(2021YFB3602600);the Chinese Academy of Sciences(CAS)(GJJSTD20200009)(2018-131-S);the National Natural Science Foundation of China(NSFC)(62121003)(10010108B1339-2451);the Beijing Municipal Science&Technology Commission(Z221100006722008);T.P.gratefully acknowledges funding from the European Research Council(ERC)(grant agreement XSTREAM-716950);the Alfred P.Sloan Foundation(FG-2018-10892)。
We demonstrate a novel flat-field,dual-optic imaging EUV—soft X-ray spectrometer and monochromator that attains an unprecedented throughput efficiency exceeding 60%by design,along with a superb spectral resolution of...
funded by the National Natural Science Foundation of China(Grant No.12005135 and 22288201);the National Key R&D Program of China(Grant No.2018YFE0203000);the Scientific Instrument Developing Project of the Chinese Academy of Sciences(Grant No.GJJSTD20190002)
The development of high-brightness X-ray free electron lasers(XFELs),such as hard X-ray self-seeding free electron lasers and XFEL oscillators(XFELOs),brings a severe challenge to the crystal monochromator due to a st...
upported by the National Key R&D Plan of China(2016YFF0200802);Establishment of a standard device for air kerma in mammography X-rays(ANL1902)。
Space scientific exploration is rapidly becoming the primary battlefield for humankind to explore the universe.Countries worldwide have launched numerous space exploration satellites.Accurate calibration of the detect...
partly supported by National Natural Science Foundation of China (Nos. 11375057 and 11505051);the National Magnetic Confinement Fusion Program of China (Nos. 2014GB108003 and 2015GB104003)
A 20 cm focal length normal incidence vacuum ultraviolet (VUV_20 cm) monochromator with a fast time response has been developed for measuring edge impurity line emission in the wavelength range of 300-2000 A on an H...
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0206004);the National Natural Science Foundation of China(Grant No.11375160);the National Science Instruments Major Project of China(Grant No.2012YQ130125)
The extreme ultraviolet and soft x-ray sources are widely used in various domains. Suppressing higher order harmonics and improving spectral purity are significant. This paper describes a novel method of higher order ...
Project supported by the National Natural Science Foundation of China(Grants Nos.11627807,11127403,and 11474130);the National Basic Research Program of China(Grant No.2013CB922200);the Natural Science Foundation of Jilin Province of China(Grant No.20160101332JC)
We accomplish a laboratory facility for producing a femtosecond XUV coherent monochromatic radiation with a broad tunable spectral range of 20 eV-75 eV. It is based on spectral selected single-order harmonics from int...
The high energy resolution monochromator (HRM) is widely used in inelastic scattering programs to detect phonons with energy resolution, down to the meV level. Although the large amount of heat from insertion device...
Supported by National Natural Science Foundation of China(11375227,61204008)
A feasible and convenient method is proposed to suppress higher-harmonics for a varied-line-spacing plane grating monochromator in the soft X-ray region. Related calculations and experiments demonstrate that decreasin...