Deep-ultraviolet light excites surface plasmon for the enhancement of photoelectron emission | Zendy

Yusuke Watanabe | Zendy; Wataru Inami | Zendy; Yoshimasa Kawata | Zendy

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Deep-ultraviolet light excites surface plasmon for the enhancement of photoelectron emission

Author(s) -

Yusuke Watanabe,

Wataru Inami,

Yoshimasa Kawata

Publication year - 2011

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.3537823

Subject(s) - materials science , ultraviolet , surface plasmon resonance , x ray photoelectron spectroscopy , surface plasmon , optoelectronics , excitation , aluminium , ultraviolet light , optics , plasmon , nanotechnology , nanoparticle , nuclear magnetic resonance , physics , engineering , electrical engineering , metallurgy

We show deep ultraviolet (DUV) light excitation of surface plasmon resonance (SPR) (DUV-SPR) with aluminum (Al) film. DUV-SPR has higher energy than that of visible light opens many applications, such as enhancement of photoelectron emission from metal surface, autofluorescence imaging of biological specimens, and laser ablation with high energy photons. We demonstrated the enhancement of photoelectron emission by DUV-SPR and analyzed protection layer to avoid oxidation of aluminum surface with enhancement of electric field kept as much as possible. The photoelectron emission from the aluminum surface was enhanced nine times with the excitation of SPR.

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