Modern Developments in X-Ray and Neutron Optics Episode 14 pps

Modern Developments in X-Ray and Neutron Optics Episode 14 pps

Modern Developments in X-Ray and Neutron Optics Episode 14 pps

... system, 49 focusing parameters affecting, 115 optical index for, 118 phase-space mapping, 43 polarization of, 356 scattering, 115 Neutron focusing optics, see Focusing neutron optics Neutron optical ... 373 ZEMAX c  , 313 528 Index High-gain harmonic generation (HGHG), 71 Huygens–Fresnel principle, 74 Imaging systems, method for determining focus position, 28 In- line X-ray optic...
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Modern Developments in X-Ray and Neutron Optics Episode 12 pps

Modern Developments in X-Ray and Neutron Optics Episode 12 pps

... surface in uences the sagittal deviation of the diffracted beam much less if the geometry is as shown in Fig. 26.13. This is discussed in detail in [30]. To understand the meaning of |LP| and |PN| in ... impinging radiation is parallel. In order that the beam impinging on the surface of the groove at a certain point, A(x, y), be diffracted to the focus, the deviation, δ, must be [1...
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Modern Developments in X-Ray and Neutron Optics Episode 1 docx

Modern Developments in X-Ray and Neutron Optics Episode 1 docx

... brief introduction is to give a flavour of the state-of-the-art in X-ray and neutron optics as well as an indication of future trends. 1.1 X-Ray Optics There is a growing need for the determination ... based mainly on supermirror coatings. It is in this field of multilayers where there is much similarity between neutron and X-ray optics. Focusing systems for neutrons also...
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Modern Developments in X-Ray and Neutron Optics Episode 2 pptx

Modern Developments in X-Ray and Neutron Optics Episode 2 pptx

... initial analytical estimation of the sampling intervals. The phase- space coordinates and other random quantities (e.g., scattering angles or penetration depth in a crystal) determining the neutron ... (2.24) 2.5.7 Intersection Point The intersection point (x M ,y M ,z M ) of the ray with the optical element is determined by solving the quadratic equation in t generated by inserting (...
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Modern Developments in X-Ray and Neutron Optics Episode 3 doc

Modern Developments in X-Ray and Neutron Optics Episode 3 doc

... determinant relating source coordinates and image angles. 5 The expression 1/  |D| accounting for the surface integration. products of the coordinates and angles is linear and can be described in ... field and also allows for its propagation across “thin” optics. This code is described in Sect. 5.2. Beamlines at UV and shorter wavelengths require highly grazing incidence optic...
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Modern Developments in X-Ray and Neutron Optics Episode 4 potx

Modern Developments in X-Ray and Neutron Optics Episode 4 potx

... is proposed. 8.1 Introduction All modern high-resolution X-ray microscopes (TXMs) and scanning trans- mission X-ray microscopes (STXMs) use zone plates as imaging or focusing X-ray optical elements ... field in a hollow weakly absorbing X-ray waveguide must take into account the interaction of the incoming beam with the cladding material at the entrance of the waveguide. The tota...
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Modern Developments in X-Ray and Neutron Optics Episode 5 doc

Modern Developments in X-Ray and Neutron Optics Episode 5 doc

... scanning pentaprism. The main advantages of such a configuration were the introduction of an angle-maintaining pentaprism (less sensitive to vibra- tions and to the tilting errors of the scanning ... during a scan, an artificial slope is introduced, resulting in an incorrect measurement of the radius of curvature of the optic. Precise ther- mal monitoring at different points inside this inne...
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Modern Developments in X-Ray and Neutron Optics Episode 6 pptx

Modern Developments in X-Ray and Neutron Optics Episode 6 pptx

... described in (13.3). It is possible to make the measurement without changing anything in the LTP but instead by simply inclining the grating with respect to the optics table in order to obtain the ... selected determines the measuring point spacing of the traced line. The lateral step size is defined by selecting the lateral shift between the lines scans in the start menu of the scan...
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Modern Developments in X-Ray and Neutron Optics Episode 7 doc

Modern Developments in X-Ray and Neutron Optics Episode 7 doc

... by Tatchyn in 1990 [105], and the first zone plate with a blazed zone profile was manufactured at Wisconsin and tested at the APS using 8 keV X-rays showing 45% efficiency for linear and 39% efficiency ... plasma chemical vaporization machining (PCVM) is employed for rough figuring, and elastic emission machining (EEM) is used for final figuring and surface super smoothing. These methods d...
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Modern Developments in X-Ray and Neutron Optics Episode 8 doc

Modern Developments in X-Ray and Neutron Optics Episode 8 doc

... [145 ], while for refractive optics this limit is slightly lower and 2 nm may be achievable [146 ]. Unlike reflective and refractive optics, zone plates can focus X-rays below 1 nm [147 ,148 ]. In ... system, and a gain of around 90. A variety of characteristic distortions in technological processing and errors that are inevitably introduced during manufacture can both lower the...
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