Search Results - "Bartnik, A."

Generation of 8 nJ pulses from a dissipative-soliton fiber laser with a nonlinear optical loop mirror by Zhao, L M, Bartnik, A C, Tai, Q Q, Wise, F W

“…Theoretical and experimental investigations of the behavior of normal-dispersion fiber lasers with nonlinear optical loop mirrors are presented. The use of a…”
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CBETA: First Multipass Superconducting Linear Accelerator with Energy Recovery by Bartnik, A., Banerjee, N., Burke, D., Crittenden, J., Deitrick, K., Dobbins, J., Gulliford, C., Hoffstaetter, G. H., Li, Y., Lou, W., Quigley, P., Sagan, D., Smolenski, K., Berg, J. S., Brooks, S., Hulsart, R., Mahler, G., Meot, F., Michnoff, R., Peggs, S., Roser, T., Trbojevic, D., Tsoupas, N., Miyajima, T.

“…Energy recovery has been achieved in a multipass linear accelerator, demonstrating a technology for more compact particle accelerators operating at higher…”
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Ultra low emittance electron beams from multi-alkali antimonide photocathode operated with infrared light by Cultrera, L., Gulliford, C., Bartnik, A., Lee, H., Bazarov, I.

“…The intrinsic emittance of electron beams generated from a multi-alkali photocathode operated in a high voltage DC gun is reported. The photocathode showed…”
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Control of Electron Transfer from Lead-Salt Nanocrystals to TiO2 by Hyun, Byung-Ryool, Bartnik, A. C, Sun, Liangfeng, Hanrath, Tobias, Wise, F. W

“…The roles of solvent reorganization energy and electronic coupling strength on the transfer of photoexcited electrons from PbS nanocrystals to TiO2…”
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Effect of photoionized plasma and EUV induced surface modification on physico-chemical properties and cytocompatibility of PLLA by Czwartos, J., Budner, B., Bartnik, A., Kasprzycka, W., Fiedorowicz, H.

“…In this work, low-temperature photoionized plasma, induced in N2 by extreme ultraviolet (EUV) pulses, was used for surface modification of poly(L-lactic acid)…”
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Role of Solvent Dielectric Properties on Charge Transfer from PbS Nanocrystals to Molecules by Hyun, Byung-Ryool, Bartnik, A. C, Lee, Jin-Kyun, Imoto, Hiroaki, Sun, Liangfeng, Choi, Joshua J, Chujo, Yoshiki, Hanrath, Tobias, Ober, Christopher K, Wise, F. W

“…Transfer of photoexcited charge from PbS nanocrystals to ligand molecules is investigated in different solvents. We find that the charge transfer rate…”
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EXAFS of titanium LIII edge using a compact laboratory system based on a laser-plasma soft X-ray source by Wachulak, P., Fok, T., Bartnik, A., Janulewicz, K. A., Fiedorowicz, H.

“…We present results of applying a compact laboratory system based on a laser-plasma soft X-ray (SXR) source to the extended X-ray absorption fine structure…”
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A “water window” tomography based on a laser-plasma double-stream gas-puff target soft X-ray source by Wachulak, P. W., Torrisi, A., Krauze, W., Bartnik, A., Kostecki, J., Maisano, M., Sciortino, A. M., Fiedorowicz, H.

“…A desktop laser-plasma double-stream gas-puff target soft X-ray (SXR) source, operating in the so-called “water window” spectral range ( λ  = 2.3–4.4 nm). was…”
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Ultimate bunch length and emittance performance of an MeV ultrafast electron diffraction apparatus with a dc gun and a multicavity superconducting rf linac by Bartnik, A., Gulliford, C., Hoffstaetter, G. H., Maxson, J.

“…We present the design of a high repetition rate MeV energy ultrafast electron diffraction instrument based on a dc photoelectron gun and an superconducting rf…”
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Coherence tomography with broad bandwidth extreme ultraviolet and soft X-ray radiation by Skruszewicz, S., Fuchs, S., Abel, J. J., Nathanael, J., Reinhard, J., Rödel, C., Wiesner, F., Wünsche, M., Wachulak, P., Bartnik, A., Janulewicz, K., Fiedorowicz, H., Paulus, G. G.

“…We present an overview of recent results on optical coherence tomography with the use of extreme ultraviolet and soft X-ray radiation (XCT). XCT is a…”
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Growth and characterization of rugged sodium potassium antimonide photocathodes for high brilliance photoinjector by Cultrera, L., Karkare, S., Lillard, B., Bartnik, A., Bazarov, I., Dunham, B., Schaff, W., Smolenski, K.

“…Sodium potassium antimonide photocathodes with Quantum Efficiency (QE) in the range of few percent have been grown, and their photoemission properties are…”
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Laser-plasma EUV source dedicated for surface processing of polymers by Bartnik, A., Fiedorowicz, H., Jarocki, R., Kostecki, J., Szczurek, M., Wachulak, P.W.

“…In this work, a 10 Hz laser-plasma extreme ultraviolet (EUV) source built for surface processing of polymers is presented. The source is based on a…”
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Multi-scale time-resolved electron diffraction: A case study in moiré materials by Duncan, C.J.R., Kaemingk, M., Li, W.H., Andorf, M.B., Bartnik, A.C., Galdi, A., Gordon, M., Pennington, C.A., Bazarov, I.V., Zeng, H.J., Liu, F., Luo, D., Sood, A., Lindenberg, A.M., Tate, M.W., Muller, D.A., Thom-Levy, J., Gruner, S.M., Maxson, J.M.

“…Ultrafast-optical-pump — structural-probe measurements, including ultrafast electron and x-ray scattering, provide direct experimental access to the…”
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Pulmonary Endarterectomy: Improving Outcomes over Time with Increased Institutional Experience by Ali, J., Kaul, P., Osman, M., Bartnik, A., Taghavi, J., Tsui, S., Ng, C., Jenkins, D.

“…Pulmonary endarterectomy (PEA) is established as the recommended treatment for chronic thromboembolic pulmonary hypertension (CTEPH). The aim of this work was…”
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Hormonal and metabolic aspects of acne vulgaris in women with polycystic ovary syndrome by Franik, G, Bizoń, A, Włoch, S, Kowalczyk, K, Biernacka-Bartnik, A, Madej, P

“…Acne vulgaris in women can indicate a systemic disease, such as polycystic ovary syndrome (PCOS), which is associated with hormonal and metabolic disorders…”
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Four-dimensional emittance measurements of ultrafast electron diffraction optics corrected up to sextupole order by Gordon, M., Li, W. H., Andorf, M. B., Bartnik, A. C., Duncan, C. J. R., Kaemingk, M., Pennington, C. A., Bazarov, I. V., Kim, Y.-K., Maxson, J. M.

“…Ultrafast electron diffraction (UED) is a technique in which short-pulse electron beams can probe the femtosecond-scale evolution of atomic structure in matter…”
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Spatial coherence measurements of the EUV emission from laser-plasma source based on xenon/helium gas puff target by Wachulak, P., Sarzyński, A., Bartnik, A., Fok, T., Węgrzynski, Ł., Kostecki, J., Fiedorowicz, H.

“…In this paper, we present the first measurements of the partial spatial coherence of the EUV emission from xenon plasma in laser-plasma source, based on a…”
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Comparison of Libs and Polarization Resolved Libs Emission Spectra for Aluminium Alloy by Wubetu, G. A., Costello, J. T., Kelly, T. J., Wachulak, P., Bartnik, A., Skrzeczanowski, W., Fiedorowicz, H.

“…Time and polarization resolved optical emission spectroscopy of laser-produced plasmas formed on Al alloys has been studied in the visible spectral range at a…”
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A desktop extreme ultraviolet microscope based on a compact laser-plasma light source by Wachulak, P. W., Torrisi, A., Bartnik, A., Węgrzyński, Ł., Fok, T., Fiedorowicz, H.

“…A compact, desktop size microscope, based on laser-plasma source and equipped with reflective condenser and diffractive Fresnel zone plate objective, operating…”
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A kiloelectron-volt ultrafast electron micro-diffraction apparatus using low emittance semiconductor photocathodes by Li, W. H., Duncan, C. J. R., Andorf, M. B., Bartnik, A. C., Bianco, E., Cultrera, L., Galdi, A., Gordon, M., Kaemingk, M., Pennington, C. A., Kourkoutis, L. F., Bazarov, I. V., Maxson, J. M.

“…We report the design and performance of a time-resolved electron diffraction apparatus capable of producing intense bunches with simultaneously single digit…”
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