Zobrazeno 1 - 10
of 263
pro vyhledávání: '"Putnam, William"'
Autor:
Simonaitis, John W., Alongi, Joseph A., Slayton, Benjamin, Putnam, William P., Berggren, Karl K., Keathley, Phillip D.
This work demonstrates electron energy loss spectroscopy of 2D materials in a 1-30 keV electron microscope, observing 100-times stronger electron-matter coupling relative to 125 keV microscopes. We observe that the universal curve relating beam energ
Externí odkaz:
http://arxiv.org/abs/2410.09291
Autor:
Koppell, Stewart A., Simonaitis, John W., Krielaart, Maurice A. R., Putnam, William P., Berggren, Karl K., Keathley, Phillip D.
We analytically describe the noise properties of a heralded electron source made from a standard electron gun, a weak photonic coupler, a single photon counter, and an electron energy filter. We argue the traditional heralding figure of merit, the Kl
Externí odkaz:
http://arxiv.org/abs/2406.18755
Autor:
Bionta, Mina R., Ritzkowsky, Felix, Turchetti, Marco, Yang, Yujia, Mor, Dario Cattozzo, Putnam, William P., Kärtner, Franz X., Berggren, Karl K., Keathley, Phillip D.
Time-domain sampling of arbitrary electric fields with sub-cycle resolution enables a complete time-frequency analysis of a system's response to electromagnetic illumination. This provides access to dynamic information that is not provided by absorpt
Externí odkaz:
http://arxiv.org/abs/2009.06045
Akademický článek
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Autor:
Yang, Yujia, Turchetti, Marco, Vasireddy, Praful, Putnam, William P., Karnbach, Oliver, Nardi, Alberto, Kärtner, Franz X., Berggren, Karl K., Keathley, Phillip D.
Publikováno v:
Nat Commun 11, 3407 (2020)
Ultrafast light-matter interactions lead to optical-field-driven photocurrents with an attosecond-level temporal response. These photocurrents can be used to detect the carrier-envelope-phase (CEP) of short optical pulses, and could be utilized to cr
Externí odkaz:
http://arxiv.org/abs/1912.07130
Autor:
Bhalla, Sheena, Fattah, Farjana J., Ahn, Chul, Williams, Jessica, Macchiaroli, Alyssa, Padro, Jonathan, Pogue, Meredith, Dowell, Jonathan E., Putnam, William C., McCracken, Nigel, Micklem, David, Brekken, Rolf A., Gerber, David E.
Publikováno v:
In Lung Cancer August 2023 182
Autor:
Putnam, William P
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 171-178).
Light fields from modern
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 171-178).
Light fields from modern
Externí odkaz:
http://hdl.handle.net/1721.1/99842
Autor:
Putnam, William C., Bashkin, James K.
Publikováno v:
In Journal of Inorganic Biochemistry July 2022 232
Examining the Transition from Multiphoton to Optical-Field Photoemission From Silicon Nanostructures
Autor:
Keathley, Phillip D., Putnam, William P., Laurent, Guillaume, Velásquez-García, Luis F., Kärtner, Franz X.
We perform a detailed experimental and theoretical study of the transition from multiphoton to optical-field photoemission from n-doped, single-crystal silicon nanotips. Around this transition, we measure an enhanced emission rate as well as intensit
Externí odkaz:
http://arxiv.org/abs/1708.05265