Search Results - "McPhate, J B"

Texture imaging of zirconium based components by total neutron cross-section experiments by Santisteban, J.R., Vicente-Alvarez, M.A., Vizcaino, P., Banchik, A.D., Vogel, S.C., Tremsin, A.S., Vallerga, J.V., McPhate, J.B., Lehmann, E., Kockelmann, W.

“…► Dependence of neutron total cross section on texture for Zr specimens is presented. ► Spatial variation of texture is quickly imaged by neutron…”
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Imaging of dynamic magnetic fields with spin-polarized neutron beams by Tremsin, A S, Kardjilov, N, Strobl, M, Manke, I, Dawson, M, McPhate, J B, Vallerga, J V, Siegmund, O H W, Feller, W B

“…Precession of neutron spin in a magnetic field can be used for mapping of a magnetic field distribution, as demonstrated previously for static magnetic fields…”
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High-Resolution Neutron Counting Sensor in Strain Mapping Through Transmission Bragg Edge Diffraction by Tremsin, A. S., McPhate, J. B., Vallerga, J. V., Siegmund, O. H. W., Kockelmann, W., Steuwer, A., Feller, W. B.

“…High-resolution neutron counting sensors with mi crochannel plates coupled to a Timepix readout enable high spatial (~55 μm) and temporal (~1 μs) accuracy for…”
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Initial Observations by the GOLD Mission by Eastes, R. W., McClintock, W. E., Burns, A. G., Anderson, D. N., Andersson, L., Aryal, S., Budzien, S. A., Cai, X., Codrescu, M. V., Correira, J. T., Daniell, R. E., Dymond, K. F., England, S. L., Eparvier, F. G., Evans, J. S., Foroosh, H., Gan, Q., Greer, K. R., Karan, D. K., Krywonos, A., Laskar, F. I., Lumpe, J. D., Martinis, C. R., McPhate, J. B., Oberheide, J., Siegmund, O. H., Solomon, S. C., Veibel, V., Woods, T. N.

“…The NASA Global‐scale Observations of the Limb and Disk (GOLD) mission has flown an ultraviolet‐imaging spectrograph on SES‐14, a communications satellite in…”
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Neutron resonance transmission spectroscopy with high spatial and energy resolution at the J-PARC pulsed neutron source by Tremsin, A.S., Shinohara, T., Kai, T., Ooi, M., Kamiyama, T., Kiyanagi, Y., Shiota, Y., McPhate, J.B., Vallerga, J.V., Siegmund, O.H.W., Feller, W.B.

“…The sharp variation of neutron attenuation at certain energies specific to particular nuclides (the lower range being from ~1eV up to ~1keV), can be exploited…”
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The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 01) by Weaver, H. A., Feldman, P. D., M. F. A'Hearn, Arpigny, C., Brandt, J. C., Festou, M. C., Haken, M., McPhate, J. B., Stern, S. A., Tozzi, G. P.

“…Analysis of Hubble Space Telescope (HST) images of comet Hale-Bopp (C/1995 O1) suggests that the effective diameter of the nucleus is between 27 to 42…”
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Improved efficiency of high resolution thermal and cold neutron imaging by Tremsin, A.S., McPhate, J.B., Vallerga, J.V., Siegmund, O.H.W., Feller, W.B., Lehmann, E., Dawson, M.

“…Spatial resolution and detection efficiency of neutron imaging detectors are the crucial parameters defining the ultimate resolution in neutron radiography,…”
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High-resolution neutron microtomography with noiseless neutron counting detector by Tremsin, A.S., McPhate, J.B., Vallerga, J.V., Siegmund, O.H.W., Feller, W.B., Lehmann, E., Butler, L.G., Dawson, M.

“…The improved collimation and intensity of thermal and cold neutron beamlines combined with recent advances in neutron imaging devices enable high-resolution…”
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High Resolution Neutron Resonance Absorption Imaging at a Pulsed Neutron Beamline by Tremsin, A. S., McPhate, J. B., Vallerga, J. V., Siegmund, O. H. W., Kockelmann, W., Schooneveld, E. M., Rhodes, N. J., Feller, W. B.

“…The existence of resonance peaks in neutron absorption spectra in the epithermal range of energies enables unique non-destructive testing techniques. The deep…”
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Rocket-borne Long-Slit Ultraviolet Spectroscopy of Comet Hale-Bopp by McPhate, J. B, Feldman, P. D, McCandliss, S. R, Burgh, E. B

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Scatter rejection in quantitative thermal and cold neutron imaging by Tremsin, A.S., Kardjilov, N, Dawson, M, Strobl, M., Manke, I., McPhate, J.B., Vallerga, J.V., Siegmund, O.H.W., Feller, W.B.

“…The accuracy of quantitative neutron transmission radiography can be substantially decreased if highly scattering materials, such as water or plastics, exist…”
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Novel large format sealed tube microchannel plate detectors for Cherenkov timing and imaging by Siegmund, O.H.W., McPhate, J.B., Vallerga, J.V., Tremsin, A.S., Jelinsky, S.R., Frisch, H.J.

“…Large area (20×20 cm 2) sealed tube detectors using novel borosilicate glass microchannel plates, with bialkali photocathodes and strip-line readouts are being…”
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A noiseless kilohertz frame rate imaging detector based on microchannel plates read out with the Medipix2 CMOS pixel chip by Mikulec, B., Clark, A.G., Ferrère, D., La Marra, D., McPhate, J.B., Siegmund, O.H.W., Tremsin, A.S., Vallerga, J.V., Clément, J., Ponchut, C., Rigal, J.-M.

“…A new hybrid optical imaging detector is described that is being developed for the next generation adaptive optics (AO) wavefront sensors (WFS) for…”
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Soft X-ray MCP/Timepix Photon Counting Detectors for Synchrotron and FEL Applications by Tremsin, A. S., Vallerga, J. V., Curtis, T., Tercero, D., McPhate, J. B., Siegmund, O., Raffanti, R., Roy, S., Chuang, Y.-D., Morley, S., McCarter, M., Saleheen, A., Turner, J., Dakovski, G., Schoenlein, R., Hansson, C.

“…Detection of soft X-ray photons requires some signal multiplication as charge produced by one photon is not sufficient enough for photon counting. Microchannel…”
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Optimization of high count rate event counting detector with Microchannel Plates and quad Timepix readout by Tremsin, A.S., Vallerga, J.V., McPhate, J.B., Siegmund, O.H.W.

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High performance cross strip imaging readout Planacon sealed tubes by Siegmund, O.H.W., Curtis, T.L., McPhate, J.B., Vallerga, J.V.

“…Sealed tube microchannel plate (MCP) detectors have provided a valuable platform for high time resolution photon counting detectors. Specifically, electronic…”
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A high resolution neutron counting sensors in strain mapping through a transmission bragg edge diffraction by Tremsin, A S, McPhate, J B, Vallerga, J V, Siegmund, O H W, Steuwer, A, Kockelmann, W, Feller, W B

“…High resolution neutron counting sensors with microchannel plates coupled to a Timepix readout enable high spatial (~55 μm) and temporal (~1 μs) accuracy for…”
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High resolution neutron imaging capabilities at BOA beamline at Paul Scherrer Institut by Tremsin, A.S., Morgano, M., Panzner, T., Lehmann, E., Filgers, U., Vallerga, J.V., McPhate, J.B., Siegmund, O.H.W., Feller, W.B.

“…The cold neutron spectrum of the Beamline for neutron Optics and other Applications (BOA) at Paul Scherrer Institut enables high contrast neutron imaging…”
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A high resolution, high frame rate detector based on a microchannel plate readout with the Medipix2 counting CMOS pixel chip by Mikulec, B., Vallerga, J.V., McPhate, J.B., Tremsin, A.S., Siegmund, O.H.W., Clark, A.G.

“…The future of ground-based optical astronomy lies with advancements in adaptive optics (AO) to overcome the limitations that the atmosphere places on high…”
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High-Resolution Strain Mapping Through Time-of-Flight Neutron Transmission Diffraction with a Microchannel Plate Neutron Counting Detector by Tremsin, A. S., McPhate, J. B., Steuwer, A., Kockelmann, W., M Paradowska, A., Kelleher, J. F., Vallerga, J. V., Siegmund, O. H. W., Feller, W. B.

“…:  Conventional neutron radiography can be strongly enhanced by obtaining Bragg‐edge information spatially correlated with the attenuation coefficient. This…”
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