Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Nail Malakhov"'
Autor:
Terumasa Nagano, P. Weilhammer, Ole Røhne, Koei Yamamoto, O. Dorholt, Nail Malakhov, E. Nygard
Publikováno v:
Powder Diffraction. 32:133-139
A new methodology for very high-speed, energy-dispersive detection of X-ray fluorescence is being developed. The underlying reasoning behind it, as well as early results from the evaluation of the first prototype, is presented.
Publikováno v:
IEEE Transactions on Nuclear Science. 56:1810-1816
We have created high-resolution x-ray imaging devices using polycrystalline mercuric iodide (HgI(2)) films grown directly onto CMOS readout chips using a thermal vapor transport process. Images from prototype 400x400 pixel HgI(2)-coated CMOS readout
Autor:
William C. Barber, Gregor Wawrzyniak, Nail Malakhov, Eirik Noss-Ulseth, Neal E. Hartsough, Jan C. Wessel, Jan S. Iwanczyk
Publikováno v:
2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).
We have developed silicon (Si) strip photon counting detectors for modalities used in clinical breast imaging including mammography, tomosynthesis, computed tomography, and lump imaging in the operating room. Typically, x-ray integrating detectors ba
Autor:
Nail Malakhov, Gregor Wawrzyniak, Neal E. Hartsough, Chin-Tu Chen, Thulasi Gandhi, Jan C. Wessel, Jan S. Iwanczyk, Ingrid Reiser, Buxin Chen, William C. Barber
Publikováno v:
SPIE Proceedings.
We report on the development of silicon strip detectors for energy-resolved clinical mammography. Typically, X-ray integrating detectors based on scintillating cesium iodide CsI(Tl) or amorphous selenium (a-Se) are used in most commercial systems. Re
Autor:
Jan C. Wessel, Gregor Wawrzyniak, Neal E. Hartsough, Thulasidharan Gandhi, Nail Malakhov, Jan S. Iwanczyk, E. Nygard, William C. Barber
Publikováno v:
SPIE Proceedings.
We report on our efforts toward the development of silicon (Si) strip detectors for energy-resolved clinical breast imaging. Typically, x-ray integrating detectors based on scintillating cesium iodide CsI(Tl) or amorphous selenium (a- Se) are used in
Autor:
Roar Danielsen, Jan C. Wessel, Neal E. Hartsough, Jan S. Iwanczyk, O. Dorholt, William C. Barber, Nail Malakhov, E. Nygard, Gregor Wawrzyniak, Thulasidharan Gandhi
Publikováno v:
2013 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA).
We have fabricated fast room-temperature energy dispersive photon counting x-ray imaging arrays using pixellated cadmium zinc (CdTe) and cadmium zinc telluride (CdZnTe) semiconductors. We have also fabricated fast application specific integrated circ
Autor:
Jan C. Wessel, E. Nygard, Nail Malakhov, Jan S. Iwanczyk, William C. Barber, Gregor Wawrzyniak, Thulasi Gandhi, Neal E. Hartsough
Publikováno v:
SPIE Proceedings.
Developments in room temperature solid state imaging arrays for energy-resolved single photon counting in medical x-ray imaging are discussed. A number of x-ray imaging applications can benefit from these developments including mammography which requ
Autor:
Neal E. Hartsough, Gregor Wawrzyniak, William C. Barber, Nail Malakhov, E. Nygard, Jan S. Iwanczyk, Jan C. Wessel, Thulasi Gandhi
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
We report on methods for optimizing room temperature semi-conductor detectors for energy-resolved x-ray imaging in radiology including applications such as computed tomography (CT), dual-energy x-ray absorptiometry (DEXA), and mammography. These appl
Autor:
William C. Barber, Jan C. Wessel, E. Nygard, Neal E. Hartsough, Thulasi Gandhi, Jan S. Iwanczyk, Gregor Wawrzyniak, Nail Malakhov
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
We have fabricated a fast energy-resolved photon-counting x-ray imaging array using pixellated cadmium telluride (CdTe) semiconductor sensors and have achieved an output count rate (OCR) exceeding 20 million counts per second per square mm (Mcps/mm2)
Autor:
E. Nygard, Jan S. Iwanczyk, Thulasi Ghandi, Nail Malakhov, Neal E. Hartsough, William C. Barber, Gregor Wawrzyniak, Jan C. Wessel
Publikováno v:
SPIE Proceedings.
Developments in room temperature cadmium telluride (CdTe) based solid state imaging arrays for energy-resolved photon-counting in medical x-ray imaging are discussed. A number of x-ray imaging applications can benefit from these developments includin