Physical Analysis of High-Intensity Focusing X-ray Optics: Doubly Curved Crystals vs. Highly Focusing Polycapillaries

2002 ◽  
Author(s):  
Sarah Formica ◽  
Susanne M. Lee
Keyword(s):  
High Intensity ◽  
Physical Analysis ◽  
Ray Optics ◽  
X Ray ◽  
Doubly Curved ◽  
Doubly Curved Crystals

X‐ray optics of doubly curved diffractors

1990 ◽  
Vol 67 (4) ◽  
pp. 1633-1638 ◽  
Author(s):  
D. B. Wittry ◽  
Songquan Sun
Keyword(s):  
Ray Optics ◽  
X Ray ◽  
Doubly Curved

Doubly curved crystal (DCC) X-ray optics and applications

2002 ◽  
Vol 17 (2) ◽  
pp. 99-103 ◽  
Author(s):  
Zewu Chen ◽  
Walter M. Gibson
Keyword(s):  
Thin Films ◽  
Low Power ◽  
X Rays ◽  
Enabling Technology ◽  
Ray Optics ◽  
X Ray ◽  
Composition And Structure ◽  
Composition Structure ◽  
Doubly Curved

Doubly curved crystal (DCC) X-ray optics provide an enabling technology for new portable, remote, and in situ applications of monochromatic X-rays for composition and structure analysis of amorphous, polycrystalline, and crystalline solids. Femtogram sensitivity for surface contamination, parts-per-billion (ppb) impurity levels for solids, and composition, structure and uniformity of thin films with compact, low power (20–50 W) source optic combinations are possible.

X‐ray optics of doubly curved diffractors II

1992 ◽  
Vol 71 (2) ◽  
pp. 564-568 ◽  
Author(s):  
D. B. Wittry ◽  
Songquan Sun
Keyword(s):  
Ray Optics ◽  
X Ray ◽  
Doubly Curved

Application of X-Ray Optics to Energy Dispersive Spectroscopy

1998 ◽  
Vol 4 (S2) ◽  
pp. 178-179
Author(s):  
J. J. McCarthy ◽  
D. J. McMillan
Keyword(s):  
Energy Dispersive Spectroscopy ◽  
High Intensity ◽  
Grazing Incidence ◽  
Detection Sensitivity ◽  
X Rays ◽  
Wavelength Dispersive Spectroscopy ◽  
Ray Optics ◽  
X Ray ◽  
Capillary Optics ◽  
Convergent Beam

The application of x-ray optics for focusing x-rays into high intensity spots or for collimation of x-ray beams has been reported by several authors. Example applications for x-ray optics include microfluorescence, microdiffraction, tomography and lithography, and WDS. Kirkland et al. pointed out that the use of an optic, in a collimating configuration could provide enhanced detection sensitivity in wavelength dispersive spectroscopy. In these proceedings last year, Agnello et al. presented data from a new WDS device specifically designed to use a grazing incidence collimating x-ray optic that confirmed and extended the work of Kirkland.A few studies have appeared reporting the use X-ray optics in applications using EDS. Focusing x-ray optics have been used on both the excitation and detection side of EDS systems. In a series of papers, Carpenter and his collaborators describe an x-ray microprobe which uses capillary optics to provide an intense convergent beam of x-rays from a microfocus x-ray tube to excite the sample for x-ray microfluorescence studies. Wollman et al.

Portable Gamma-Ray Spectrometer for High Intensity Beam Measuring

2015 ◽  
Vol 1084 ◽  
pp. 162-167
Author(s):  
Artem Vukolov ◽  
Aleksey Gogolev ◽  
Yury Cherepennikov ◽  
Andrey Ogrebo ◽  
Alexander Egioya
Keyword(s):  
High Intensity ◽  
Gamma Ray ◽  
Applied Physics ◽  
Photomultiplier Tubes ◽  
Silicon Photomultiplier ◽  
Ray Optics ◽  
X Ray ◽  
Gamma Ray Spectrometer

The paper presents the development of the Laboratory "X-ray Optics" of the Institute of Applied Physics and Technology of Tomsk Polytechnic University, a portable gamma-ray spectrometer, which dimensions are 50×20×30 mm. The device is able to count and analyze gamma quanta with energies from hundreds of keV up to units of MeV with loading up to 109 pulses/min. The problem has been solved by improving the known scintillation counters, using modern silicon photomultiplier tubes, selecting the optimal scintillators and developing original electronic scaler.

Source misalignment effects on crystal collection solid angle and intensity profile

2012 ◽  
Vol 45 (5) ◽  
pp. 890-901 ◽  
Author(s):  
Sayyed Jalal Pestehe ◽  
Golamreza Askari Germi
Keyword(s):  
Crystal Surface ◽  
Solid Angle ◽  
Intensity Profile ◽  
Bragg Angle ◽  
Angular Deviation ◽  
X Ray ◽  
Trial And Error Method ◽  
General Relations ◽  
Doubly Curved ◽  
Doubly Curved Crystals

The X-ray optics of singly and doubly curved crystals are studied using a vector procedure and rotation matrices and general relations for the angular deviation from the Bragg angle over the crystal surface with a source aligned or misaligned on the Rowland circle. Hence, the effective scattering area, collection solid angle and diffracted X-ray intensity profile on the crystal surface are derived. The effective areas and the diffracted X-ray intensity profiles on the crystal surface for both aligned and misaligned source cases are plotted and compared. It is argued that the introduced point-focusing crystal configuration confirms the radii that have been obtained previously by a trial and error method by optimizing the crystal collection solid angle.

X‐ray focusing optics. I. Applications of wave optics to doubly curved crystals with a point x‐ray source

1995 ◽  
Vol 77 (5) ◽  
pp. 1843-1848 ◽  
Author(s):  
F. N. Chukhovskii ◽  
W. Z. Chang ◽  
E. Förster
Keyword(s):  
Wave Optics ◽  
X Ray ◽  
Doubly Curved ◽  
Doubly Curved Crystals

scholarly journals X-ray optics for X-ray laser research applications

1991 ◽  
Vol 9 (1) ◽  
pp. 71-90 ◽  
Author(s):  
N. M. Ceglio
Keyword(s):  
High Intensity ◽  
State Of The Art ◽  
Laser Cavity ◽  
Multilayer Mirrors ◽  
Ray Optics ◽  
X Ray

State of the art capabilities in soft X-ray lenses, multilayer mirrors, beamsplitters, and synthetically generated holograms are reviewed. Application of these capabilities in recent X-ray laser cavity experiments, and to the development of a soft X-ray interferometer and a high intensity (≥1013 watt/cm2) soft X-ray laser are discussed.

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