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 Results for DC.creator="A." AND DC.creator="Kern" in section 2.1.6 of volume H   page 2 of 2 pages.
X-ray optics
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.3, pp. 39-45 [ doi:10.1107/97809553602060000936 ]
... techniques, where parts of the beam are eliminated to achieve a particular wavelength distribution and divergence. In contrast to this, reflective ... appropriate X-ray optics and X-ray optics combination for a particular experiment is a challenge for the user. The general rule to be ...

Performance of X-ray sources
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2.3, p. 39 [ doi:10.1107/97809553602060000936 ]
... some typical sealed tubes and some rotating-anode sources with a Cu target are compared. Also listed are data for the liquid-metal jet with Ga as a target. Micro-focus fixed-target X-ray sources have up ... inherently brighter than stationary targets. The liquid-gallium jet has a higher (by a further order of magnitude) specific loading ...

Moving-target X-ray sources
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2.2.2, p. 39 [ doi:10.1107/97809553602060000936 ]
... target X-ray sources 2.1.6.2.2.2. Moving-target X-ray sources (a) Rotating-target X-ray sources. Rotating-target X-ray sources ... photons (Fig. 2.1.13 b). This is achieved by rotating a cooled anode, with a typical diameter ranging from about 10 to 30cm, at ...

Fixed-target X-ray sources
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2.2.1, pp. 38-39 [ doi:10.1107/97809553602060000936 ]
... than 90% of all X-ray diffractometer installations (Fig. 2.1.13 a). Electrons are generated by heating a filament (cathode) and accelerated towards the metal target (anode) by means of a high potential, typically of the order of 30-60kV. ...

Types of X-ray sources
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2.2, pp. 37-39 [ doi:10.1107/97809553602060000936 ]
... of X-ray sources is usually characterized via brilliance as a measure for the quality of the emitted X-rays. The ... The electron power density is the most important factor. Only a small fraction of <1% of the applied electron energy is ... source. The actual take-off angle that is chosen represents a compromise. On the one hand, it should be as ...

Generation of X-rays and the X-ray spectrum
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2.1, p. 37 [ doi:10.1107/97809553602060000936 ]
... In laboratory X-ray sources, X-rays are produced by a multi-keV electron beam impinging on a metallic target. The X-ray spectrum that is obtained is characterized by a broad band of continuous radiation, accompanied by a number ...

X-ray sources
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.2, pp. 37-39 [ doi:10.1107/97809553602060000936 ]
... In laboratory X-ray sources, X-rays are produced by a multi-keV electron beam impinging on a metallic target. The X-ray spectrum that is obtained is characterized by a broad band of continuous radiation, accompanied by a number ...

X-ray beam quality measures
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.1, pp. 36-37 [ doi:10.1107/97809553602060000936 ]
... to design an optimal measurement setup by appropriate choice of a combination of X-ray source and X-ray optics. The ... used are flux, flux density, brightness and brilliance, all within a 0.1% bandwidth represented by a wavelength range, [Delta][lambda], centred around a specific wavelength [ ...

Combi-optics
Kern, A.  International Tables for Crystallography (2019). Vol. H, Section 2.1.6.3.4, pp. 44-45 [ doi:10.1107/97809553602060000936 ]
... The steadily growing trend towards multipurpose instrumentation has led to a multitude of X-ray optics combined in single modules to ... and realignment. Such `combi-optics' are usually motorized and allow a fully automatic, software-controlled switch between different beam paths to ... optimize beam conditioning (e.g. high flux versus high resolution). A frequent requirement is the ability to switch between the ...

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