English
Related papers

Related papers: Diamond Channel-Cut Crystals for High-Heat-Load, B…

200 papers

A double-crystal diamond (111) monochromator recently implemented at the Linac Coherent Light Source (LCLS) enables splitting of the primary X-ray beam into a pink (transmitted) and a monochromatic (reflected) branch. The first…

A channel-cut Si(111) crystal with a channel width of 90 $\mu$m was developed for achieving reflection self-seeding in hard X-ray free-electron lasers (XFELs). With the crystal, a monochromatic seed pulse is produced from a broadband XFEL…

Instrumentation and Detectors · Physics 2018-11-06 Taito Osaka , Ichiro Inoue , Ryota Kinjo , Takashi Hirano , Yuki Morioka , Yasuhisa Sano , Kazuto Yamauchi , Makina Yabashi

We report the fabrication and performance evaluation of single crystal diamond refractive x-ray lenses with a paraboloid of rotation form factor for focusing x-rays in two dimensions simultaneously. The lenses were manufactured using a…

Instrumentation and Detectors · Physics 2015-07-13 S. Antipov , S. V. Baryshev , J. E. Butler , O. Antipova , Z. Liu , S. Stoupin

We report fabrication and results of high-resolution X-ray topography characterization of diamond single crystal plates with a large surface area (10$\times$10 mm$^2$) and (111) crystal surface orientation for applications in high-heat-load…

Instrumentation and Detectors · Physics 2016-05-16 S. Stoupin , S. Antipov , J. E. Butler , A. V. Kolyadin , A. Katrusha

We propose to use the self-seeding scheme with single crystal monochromator at the European X-ray FEL to produce monochromatic, high-power radiation at 16 keV. Based on start to end simulations we show that the FEL power of the…

Accelerator Physics · Physics 2011-11-28 Gianluca Geloni , Vitali Kocharyan , Evgeni Saldin

This paper presents X-ray spectra of channeling radiation (CR) expected at the FAST (Fermi Accelerator Science and Technology) facility in Fermilab. Our purpose is to produce high brightness quasi-monochromatic X-rays in an energy range…

Accelerator Physics · Physics 2018-02-20 J. Hyun , P. Piot , T. Sen

Monochromators and analyzers for X-rays of energy $>$ 5 keV are overwhelmingly made from silicon crystals, of which large specimens of high purity and low defect density are readily available. Germanium and diamond crystals are also…

Instrumentation and Detectors · Physics 2017-01-19 John P. Sutter , Hasan Yavaş

X-ray calorimeters routinely achieve very high spectral resolution, typically a few eV full width at half maximum (FWHM). Measurements of calorimeter line shapes are usually dominated by the natural linewidth of most laboratory calibration…

Instrumentation and Methods for Astrophysics · Physics 2020-08-17 M. A. Leutenegger , M. E. Eckart , S. J. Moseley , S. O. Rohrbach , J. K. Black , M. P. Chiao , R. L. Kelley , C. A. Kilbourne , F. S. Porter

We introduce a time-delayed beam splitting method based on the energy separation of x-ray photon beams. It is implemented and theoretically substantiated on an example of an x-ray optical scheme similar to that of the classical Michelson…

Optics · Physics 2013-11-26 Yuri P. Stetsko , Yuri V. Shvyd'ko , G. Brian Stephenson

Due to high reflectivity and high resolution of X-ray pulses, diamond is one of the most popular Bragg crystals serving as the reflecting mirror and mono$-$chromator in the next generation of free electrons lasers (FELs). The energy…

Accelerator Physics · Physics 2016-08-03 Meiqi Song , Qingmin Zhang , Yuhang Guo , Kai Li , Haixiao Deng

Imaging of the Bragg reflected x-ray beam is proposed and validated as an in-situ method for characterization of performance of double-crystal monochromators under the heat load of intense synchrotron radiation. A sequence of images is…

Optics · Physics 2016-01-19 Stanislav Stoupin , Zunping Liu , Steve M. Heald , Dale Brewe , Mati Meron

The use of strongly bent crystals in spectrometers for pulses of a hard x-ray free-electron laser is explored theoretically. Diffraction is calculated in both dynamical and kinematical theories. It is shown that diffraction can be treated…

Instrumentation and Detectors · Physics 2019-05-28 Vladimir Kaganer , Ilia Petrov , Liubov Samoylova

Diamond offers unique material advantages for the realization of micro- and nanomechanical resonators due to its high Young's modulus, compatibility with harsh environments and superior thermal properties. At the same time, the wide…

The demands on optical components to tolerate high radiation dose and manipulate hard x-ray beams that can fit the experiment requirements, are constantly increasing due to the advancements in the available x-ray sources. Here we have…

Compound-refractive lenses (CRL) are a type of x-ray optics that find widespread applications as focusing and imaging lenses. The choice of material is one of the most defining properties of these lenses. In this work, we present a CRL made…

Optomechanical devices sensitively transduce and actuate motion of nanomechanical structures using light. Single--crystal diamond promises to improve the performance of optomechanical devices, while also providing opportunities to interface…

We report on performance of chemical vapor deposited (CVD) single crystal diamond plates as side bounce monochromators for high photon energies ($\gtrsim$~20 keV) in the Laue geometry. Several crystals were tested in-operando high-heat-load…

Instrumentation and Detectors · Physics 2019-02-20 S. Stoupin , T. Krawczyk , J. P. C. Ruff , K. D. Finkelstein , H. H. Lee , R. Huang

We report on the systematic characterization of conductive micro-channels fabricated in single-crystal diamond with direct ion microbeam writing. Focused high-energy (~MeV) helium ions are employed to selectively convert diamond with…

Materials Science · Physics 2014-05-06 F. Picollo , D. Gatto Monticone , P. Olivero , B. A. Fairchild , S. Rubanov , S. Prawer , E. Vittone

Aluminum single crystals are tested using X-Ray Bragg diffraction, which may have applications in microscopy and electronics fabrication industry. Yet, their efficiency for x- ray beam diffraction depends on the accurate crystal…

Materials Science · Physics 2022-08-24 Gilad Orr , Gad Golan

Single crystal, nanoscale diamond membranes are highly sought after for a variety of applications including nanophotonics, nanoelectronics and quantum information science. However, so far, the availability of conductive diamond membranes…

‹ Prev 1 2 3 10 Next ›