Search Results - "Hannasch, A."

Compact spectroscopy of keV to MeV X-rays from a laser wakefield accelerator by Hannasch, A., Laso Garcia, A., LaBerge, M., Zgadzaj, R., Köhler, A., Couperus Cabadağ, J. P., Zarini, O., Kurz, T., Ferrari, A., Molodtsova, M., Naumann, L., Cowan, T. E., Schramm, U., Irman, A., Downer, M. C.

“…We reconstruct spectra of secondary X-rays from a tunable 250–350 MeV laser wakefield electron accelerator from single-shot X-ray depth-energy measurements in…”
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Coherent Optical Signatures of Electron Microbunching in Laser-Driven Plasma Accelerators by Lumpkin, A. H., LaBerge, M., Rule, D. W., Zgadzaj, R., Hannasch, A., Zarini, O., Bowers, B., Irman, A., Couperus Cabadağ, J. P., Debus, A., Köhler, A., Schramm, U., Downer, M. C.

“…We report observations of coherent optical transition radiation interferometry (COTRI) patterns generated by microbunched ∼ 200 − MeV electrons as they emerge…”
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Focused Energy, A New Approach Towards Inertial Fusion Energy by Ditmire, T., Roth, M., Patel, P. K., Callahan, D., Cheriaux, G., Gibbon, P., Hammond, D., Hannasch, A., Jarrott, L. C., Schaumann, G., Theobald, W., Therrot, C., Turianska, O., Vaisseau, X., Wasser, F., Zähter, S., Zimmer, M., Goldstein, W.

“…Focused Energy is a new startup company with the goal of developing laser-driven inertial fusion energy for electrical power production. The company combines…”
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Enhancement of high energy X-ray radiography using compound parabolic concentrator targets by King, P.M., Rusby, D., Hannasch, A., Lemos, N., Tiwari, G., Pak, A., Kerr, S., Cochran, G., Pagano, I., Williams, G.J., Khan, S.F., Aufderheide, M., Kemp, A., Wilks, S., Macphee, A., Albert, F., Hegelich, B.M., Downer, M., Manuel, M., Gavin, Z., Haid, A., Mackinnon, A.

“…We report an increase in MeV energy bremsstrahlung x-ray production using compound parabolic concentrators (CPC) compared to flat solid targets during…”
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Nonlinear Inverse Compton Scattering from a Laser Wakefield Accelerator and Plasma Mirror by Hannasch, A, LaBerge, M, Zgadzaj, R, Cabadağ, J. P. Couperus, Garcia, A. Laso, Kurz, T, Cowan, T, Schramm, U, Irman, A, Downer, M. C

“…We generate inverse Compton scattered X-rays in both linear and nonlinear regimes with a 250 MeV laser wakefield electron accelerator and plasma mirror by…”
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Faraday rotation study of plasma bubbles in GeV wakefield accelerators by Chang, Y. Y, Cheng, X, Hannasch, A, LaBerge, M, Shaw, J. M, Weichman, K, Welch, J, Bernstein, A, Henderson, W, Zgadzaj, R, Downer, M. C

“…We visualize plasma bubbles driven by 0.67 PW laser pulses in plasma of density $n_e \approx 5\times10^{17}$ ${\rm cm}^{-3}$ by imaging Faraday rotation…”
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Compact Spectral Characterization of 5-500 MeV X-rays from the Texas Petawatt Laser-Driven Plasma Accelerator by Hannasch, A, Lisi, L, Brooks, J, Cheng, X, Garcia, A. Laso, LaBerge, M, Pagano, I, Bowers, B, Zgadzaj, R, Quevedo, H. J, Spinks, M, Donovan, M. E, Cowan, T, Downer, M. C

“…We reconstruct spectra of secondary x-rays generated from a 500 MeV - 2 GeV laser plasma electron accelerator. A compact (7.5 $\times$ 7.5 $\times$ 15 cm),…”
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Compact Spectroscopy of keV to MeV X-rays from a Laser Wakefield Accelerator by Hannasch, A, Garcia, A. Laso, LaBerge, M, Zgadzaj, R, Koehler, A, Cabadag, J. P. Couperus, Zarini, O, Kurz, T, Ferrari, A, Molodtsova, M, Naumann, L, Cowan, T, Schramm, U, Irman, A, Downer, M. C

“…Sci Rep 11, 14368 (2021) We reconstruct spectra of secondary X-rays from a tunable 250-350 MeV laser wakefield electron accelerator from single-shot X-ray…”
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Interferometric optical signature of electron microbunching in laser-driven plasma accelerators by Lumpkin, A. H, LaBerge, M, Rule, D. W, Zgadzaj, R, Hannasch, A, Zarini, O, Bowers, B, Irman, A, Couperus-Cabadag, J. P, Debus, A, Köhler, A, Schramm, U, Downer, M. C

“…Phys. Rev. Lett. 125, 014801 (2020) We report observations of coherent optical transition radiation interferometry (COTRI) patterns generated by microbunched…”
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Faraday rotation probe of laser-plasma bubble structures in Petawatt-driven wakes by Chang, Y. Y., Shaw, J. M., Welch, J., Weichman, K., Hannasch, A., LaBerge, M., Henderson, W., Zgadzaj, R., Bernstein, A., Wagner, C., Gordon, J., Martinez, M., Spinks, M., Toncian, T., Dyer, G., Gaul, E., Donovan, M., Ditmire, T., Downer, M. C.

“…We exploited the Faraday effect to imprint polarization shifts on a transverse probe that captured the structure of a GeV laser-plasma accelerator. Our…”
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Bright 5 - 85 MeV Compton gamma-ray pulses from GeV laser-plasma accelerator and plasma mirror by Shaw, J. M, Bernstein, A. C, Zgadzaj, R, Hannasch, A, LaBerge, M, Chang, Y. Y, Weichman, K, Welch, J, Henderson, W, Tsai, H. -E, Fazel, N, Wang, X, Ditmire, T, Donovan, M, Dyer, G, Gaul, E, Gordon, J, Martinez, M, Spinks, M, Toncian, T, Wagner, C, Downer, M. C

“…We convert a GeV laser-plasma electron accelerator into a compact femtosecond-pulsed $\gamma$-ray source by inserting a $100 \mu$m-thick glass plate $\sim3$ cm…”
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Production of tens-of-MeV Compton gamma-rays from a 2 GeV laser-plasma electron accelerator by Shaw, J. M., Bernstein, A. C., Chang, Y. Y., Zgadzaj, R., Hannasch, A., Weichmann, K., Welch, J., LaBerge, M., Henderson, W., Tsai, H. E., Fazel, N., Wang, X., Ditmire, T., Donovan, M., Dyer, G., Gaul, E., Gordon, J., Martinez, M., Spinks, M., Toncian, T., Downer, M. C.

“…We generate a collimated (<;1mrad) beam of gamma rays that penetrate several centimeters of lead by retro-reflecting a petawatt laser pulse onto trailing ~2…”
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