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

... numerical aperture. 8 .5 The In uence of Interdiffusion and Roughness Up to now X-ray microscopes mainly operate in the soft X-ray wavelength range between the K-absorption edges of oxygen and carbon (2.34–4.37nm wavelength). ... Warwick, in Advances in Metrology for X-Ray and EUV Optics, ed. by L. Assoufid, P.Z. Takacs, J.S. Taylor, Proceedings of SPIE, vol. 59 21, 20 05,...

Ngày tải lên: 13/08/2014, 05:22

... distribution JOB 38 UE52 Distribution in pinhole ho ri. p osit ion (m m ) vert. po sition (mm ) photons/s/mm /BW E = 396eV -1 .5 -1 -0 .5 0 0 .5 1 1 .5 -1 -0. 75 -0 .5 -0. 25 0 0. 25 0 .5 0. 75 1 200 400 600 800 1000 x ... Kov´acs-Mezei, and L. Rosta 355 22.1 Introduction 355 22.2 Development and Investigation of Ni/Ti Multilayer Supermirrors for NeutronGuides 356 22.2.1N...

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... 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 o...

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... by Tatchyn in 1990 [1 05] , 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 ... Spiga, SPIE Proc. 59 00, 2 25 (20 05) 236 D. Spiga Fig. 16.1. Calculated X-ray reflectivity of a constant d-spacing W/Si multilayer (dashed line) and a W/Si supermirror (solid lin...

Ngày tải lên: 13/08/2014, 05:22

... (mm) 2 .5 Output capillary size (μm) 3.6 Table 18.2. Physical parameters of the lens 51 MLS02 E (keV) 3 5 5–7 .5 7 .5 10 10– 15 15 20 20– 25 25 30 Focal sp ot size FWHM (μm) 38 40 41 41 35 31 33 Intensity gain 2,892 ... The extended X-ray absorption fine structure (EXAFS) 18 Capillary Optics for X-Rays 3 05 18 .5 Concluding Remarks As shown, capillary optics can be used for X-r...

Ngày tải lên: 13/08/2014, 05:22

... C-on-Ni (nm) 0. 65 0. 65 0.70. 75 1.11.6 σ eff Ni-on-C (nm) 0. 45 0. 45 0 .50 .55 0.71.2 σ C-on-Ni (nm) 0. 35 –––0 .50 .8 σ Ni-on-C (nm) 0. 25 –––0.30.4 ξ (nm) 5 –––810 L vert (nm) 10 –––3 1 H 0. 25 –––0.18 0. 25 Four-hour ... from m =1to 2and5 0 in the interval from m = 2 to 3.3. In conclusion it can be said that in the past 5 years the critical angle of polarizing and no...

Ngày tải lên: 13/08/2014, 05:22

... step by removing one material at a time (and correspondingly reducing the reflectivity) until a single layer coating remains. 424 J.I.Larruquertetal. 0. 75 0.80 0. 85 0.90 0. 95 1.00 1. 05 0.0 0.1 0.2 0.3 0.4 Cu Lu Dy Co Y Ru Pt Ir W Re Ti Rh CaF 2 Zr Au Hf Ta Ag Pd Sc Nb k n Mo BaF 2 SiO 2 SrF 2 Eu Sm Ce Cr Gd Pm Nd Fe BN La Pr C Os B 4 C B Be Si ... this thumb rule is given in Sect. 2...

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... space and in energy, and progress has also been made in improving resolution in real space. In this chapter a short introduction to the dynamical theory behind crystal diffractors and their coupling ... diffraction in a grazing incidence setting. This setting is also known as a one-dimensional (1D) beam expander in real space. Combining two asymmetric diffractors with mutually...

Ngày tải lên: 13/08/2014, 05:22

... 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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... (6.26) 7 Focusing Optics for Neutrons F. Ott Abstract. Neutrons beams are difficult to handle since the neutron is a neutral particle with a very weak interaction with matter. In addition, neutron sources ... 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 focusi...

Ngày tải lên: 13/08/2014, 05:22