About: Aberrations of diffractive-refractive optics: Bragg-case sagittal focusing of multiple parabolic elements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The diffractive-refractive optical device consisting of four crystals in (+,-,-,+) setting with longitudinal parabolic grooves has a geometrical aberration which influences the achievable focus size. This aberration is discussed analytically by using a new, more precise formula for the calculation of focusing distance, which respects the finite distance between optical elements. The calculation of the intensity distribution surrounding the focus is illustrated by a ray-tracing method based on the dynamical theory of diffraction. It demonstrates an achievable focus size. Finally we discuss that this aberration may be suppressed by the slight narrowing of the groove profile. In particular, the parameter a in the equation of parabola has to slightly grow with x. A practical application may require an ultra-precise fabrication of the grooves. The diffractive-refractive optical device consisting of four crystals in (+,-,-,+) setting with longitudinal parabolic grooves has a geometrical aberration which influences the achievable focus size. This aberration is discussed analytically by using a new, more precise formula for the calculation of focusing distance, which respects the finite distance between optical elements. The calculation of the intensity distribution surrounding the focus is illustrated by a ray-tracing method based on the dynamical theory of diffraction. It demonstrates an achievable focus size. Finally we discuss that this aberration may be suppressed by the slight narrowing of the groove profile. In particular, the parameter a in the equation of parabola has to slightly grow with x. A practical application may require an ultra-precise fabrication of the grooves. (en)
Title	Aberrations of diffractive-refractive optics: Bragg-case sagittal focusing of multiple parabolic elements Aberrations of diffractive-refractive optics: Bragg-case sagittal focusing of multiple parabolic elements (en)
skos:prefLabel	Aberrations of diffractive-refractive optics: Bragg-case sagittal focusing of multiple parabolic elements Aberrations of diffractive-refractive optics: Bragg-case sagittal focusing of multiple parabolic elements (en)
skos:notation	RIV/00216224:14310/05:00014246!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1P04OCP07.004), Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kuběna, Alan Mikulík, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	511179
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/05:00014246
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	x-ray optics; x-ray diffraction; synchrotron radiation (en)
http://linked.open.../riv/klicoveSlovo	x-ray optics synchrotron radiation x-ray diffraction
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F30F26ACC6DE]
http://linked.open...i/riv/nazevZdroje	J. Phys. D: Appl. Phys.
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Simulation and application of monolithic X-ray dfractive optics
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	38
http://linked.open...iv/tvurceVysledku	Kuběna, Alan Mikulík, Petr Hrdý, J.
http://linked.open...n/vavai/riv/zamer	Physical and chemical properties of advanced materials and structures
issn	0022-3727
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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