Jeffrey W Keister,John Smedley,Erik M Muller et al.
Jeffrey W Keister et al.
High purity, single crystal CVD diamond plates are screened for quality and instrumented into a sensor assembly for quantitative characterization of flux and position sensitivity. Initial investigations have yielded encouraging results and ...
Control system for the 2nd generation Berkeley AutoMounters (BAM2) at GM/CA CAT macromolecular crystallography beamlines [0.03%]
用于下一代伯克利自动样品更换系统的控制系統(GM/CA CAT生物大分子线站)
O Makarov,M Hilgart,C Ogata et al.
O Makarov et al.
GM/CA CAT at Sector 23 of the Advanced Photon Source (APS) is an NIH funded facility for crystallographic structure determination of biological macromolecules by X-ray diffraction.A second generation Berkeley automounter is being integrated...
Bipin Singh,Samta Thacker,Valeriy Gaysinskiy et al.
Bipin Singh et al.
The development of detectors often lags the development in X-ray sources. However, advanced detectors are critical for fully utilizing and exploiting the capabilities of the new bright sources. We report on the development of a modular high...
Design and feasibility studies of a stationary digital breast tomosynthesis system [0.03%]
一种数字化乳腺断层融合机的设计与可行性研究
G Yang,X Qian,T Phan et al.
G Yang et al.
Studies have shown that digital breast tomosynthesis (DBT) can improve breast cancer diagnosis by reconstructing 3D images. However, DBT scanners based on rotation gantry prolong the imaging time and reduce spatial resolution due to motion ...
Recent developments in imaging system assessment methodology, FROC analysis and the search model [0.03%]
近年影像系统评估方法、FROC分析及搜索模型的发展
Dev P Chakraborty
Dev P Chakraborty
A frequent problem in imaging is assessing whether a new imaging system is an improvement over an existing standard. Observer performance methods, in particular the receiver operating characteristic (ROC) paradigm, are widely used in this c...
Carbon Nanotube based X-ray Sources: Applications in Pre-Clinical and Medical Imaging [0.03%]
基于碳纳米管的X射线源：前期临床和医学影像中的应用
Yueh Z Lee,Laurel Burk,Ko-Han Wang et al.
Yueh Z Lee et al.
William W Moses
William W Moses
The fundamental limits of spatial resolution in positron emission tomography (PET) have been understood for many years. The physical size of the detector element usually plays the dominant role in determining resolution, but the combined co...
Energy and Timing Measurement with Time-Based Detector Readout for PET Applications: Principle and Validation with Discrete Circuit Components [0.03%]
基于探测器读出的PET应用中的能量和定时测量：原理及离散电路组件验证
Xishan Sun,Allan K Lan,Chad Bircher et al.
Xishan Sun et al.
A new signal processing method for PET application has been developed, with discrete circuit components to measure energy and timing of a gamma interaction based solely on digital timing processing without using an amplitude-to-digital conv...
M Zawisky,J Springer,H Lemmel
M Zawisky
The currently largest perfect-crystal neutron interferometer with six beam splitters and two interference loops offers novel applications in neutron interferometry. The two additional lamellas can be used for quantitative measurements of a ...
Yuji Hasegawa,Katharina Durstberger-Rennhofer,Stephan Sponar et al.
Yuji Hasegawa et al.
The Kochen-Specker theorem shows the incompatibility of noncontextual hidden variable theories with quantum mechanics. Quantum contextuality is a more general concept than quantum non-locality which is quite well tested in experiments using...