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A. Polyakov
Researcher at Lawrence Berkeley National Laboratory
Publications - 21
Citations - 531
A. Polyakov is an academic researcher from Lawrence Berkeley National Laboratory. The author has contributed to research in topics: Plasmon & Photocathode. The author has an hindex of 12, co-authored 21 publications receiving 479 citations. Previous affiliations of A. Polyakov include University of California, Berkeley & University of California, Santa Cruz.
Papers
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Journal ArticleDOI
Reaching the theoretical resonance quality factor limit in coaxial plasmonic nanoresonators fabricated by helium ion lithography.
Mauro Melli,A. Polyakov,Daniel J. Gargas,C. Huynh,L. Scipioni,Wei Bao,D. F. Ogletree,P. J. Schuck,Stefano Cabrini,Alexander Weber-Bargioni +9 more
TL;DR: The quality factor of 11 achieved with the HIL fabricated structures matched the theoretically predicted quality factor for the idealized flawless gold resonators calculated by finite-difference time-domain (FDTD).
Journal ArticleDOI
Surface-Plasmon Resonance-Enhanced Multiphoton Emission of High-Brightness Electron Beams from a Nanostructured Copper Cathode
Renkai Li,H. To,Gerard Andonian,Jun Feng,A. Polyakov,C. M. Scoby,Kevin S. Thompson,Weishi Wan,Howard A. Padmore,Pietro Musumeci +9 more
TL;DR: In this article, a nanohole array-based copper surface was designed to exhibit a plasmonic response at 800 nm, fabricated using the focused ion beam milling technique, optically characterized and tested as a photocathode in a high power radio frequency photoinjector.
Journal ArticleDOI
Plasmon-enhanced photocathode for high brightness and high repetition rate x-ray sources.
A. Polyakov,Christoph Senft,K. F. Thompson,Jun Feng,Stefano Cabrini,P. J. Schuck,Howard A. Padmore,Samuel J. Peppernick,Wayne P. Hess +8 more
TL;DR: It is demonstrated that the achieved quantum yield is high enough for use in rf photoinjectors operating as electron sources for MHz repetition rate x-ray free electron lasers.
Journal ArticleDOI
Plasmonic light trapping in nanostructured metal surfaces
TL;DR: In this paper, the plasmonic trapping of light in nanometer sized trenches etched into in a planar metal surface is shown to achieve complete absorption at any desired wavelength from the UV to the IR.
Journal ArticleDOI
Plasmon resonance tuning in metallic nanocavities
A. Polyakov,K. F. Thompson,Scott Dhuey,Deirdre L. Olynick,Stefano Cabrini,P. J. Schuck,Howard A. Padmore +6 more
TL;DR: This work demonstrates how a nanometerthick alumina deposition inside such a cavity can be used to gain an exquisite control over the resonance wavelength, allowing achieving a precise controlover the spectral response.