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Two-photon photoeffect from resonant silver structures (1991)

Sabary, F. ; Dudek, J. C. ; Bergeret, H.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 70 (1991), S. 1066-1068

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We report the two-photon photoelectric sensitivities of a granular silver film and a silver covered diffraction grating at the photon energy (h-dash-bar)ω=3.5 eV of a frequency-tripled Nd:YAG laser when surface plasmons are excited. Values higher than 3×10−15 A cm2 W−2 have been obtained with both structures which correspond to a one-photon quantum yield of 1×10−5 under a 1-GW-cm−2 incident laser power density. These photoemitters could be used as high current density electron sources by illuminating them with picosecond or subpicosecond lasers in the 2–4-eV spectral range.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.349698

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