The mode of operation of wavelength-dispersive (WD) spectrometers as used in EPMA is described. Factors governing the resolution and intensity obtained with different crystals are discussed, with a view to assessing the scope for improvement and helping the user to make suitable choices of operating...
Development of wavelength-dispersive soft X-ray emission spectrometers for transmission electron microscopes--an introduction of valence electron spectrosc... Two types of wavelength-dispersive soft X-ray spectrometers, a high-dispersion type and a conventional one, for transmission electron microscopes ...
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产品说明、技术参数及配置 Skyray Instrument. Beijing Bandwise Technology Development Co.,Ltd., the sole one in China, specializes in the development, manufacture, sales and support of Wavelength Dispersive X-ray Fluorescence Spectrometers, located in Changping Science Park in Beijing Zhongguancun Science...
electron microprobe, a JEOL JXA-8900 SUPERPROBE, showing the WDS spectrometers, of which there are four (two arrowed) and an EDX detector. The WDS spectrometers have motors on the top of them to drive the mechanical scans (illustration courtesy of Peter McSwiggen, Geology Department, ...
~1998!. Wide area mapping of uneven specimens in an electron probe X-ray microanalyzer with wavelength dispersive spectrometers. J Electron Microsc 47, 39-46.Hideyuki Takahashi,Toyohiko Okumura.Wide area mapping of Uneven specimens in an electron probe xray microanalyser with wavelength dispersive ...
Differences in the RSD values obtained using the two spectrometers were not significant for the main elements, Cu and Zn in brass and Cr, Fe and Ni in stainless steel. For minor elements, the RSD values were 2-6 times larger for the MiniPal instrument and were poor for Sn and Co. ...
Wavelength Dispersive X-ray Fluorescence (WDXRF) is one of two general types of X-ray Fluorescence instrumentation used for elemental analysis applications. In WDXRF spectrometers, all of the elements in the sample are excited simultaneously. The different energies of the characteristic radiation emitted...
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Waveguide-based spectrometers capable of separating light signals at different wavelengths have already been established as one of the key technologies in wavelength division multiplexed telecommunications networks (wavelength multiplexers and demultiplexers, add-drop filters, channel monitors, etc.). High-res...