Title :
Light emission of surface plasmon excited by fast electrons
Author :
Yamamoto, Naoki ; Suzuki, Takahiro
Author_Institution :
Dept. of Phys., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
A new technique that utilizes a 200 kV transmission electron microscope (TEM) and equipped with a light detection system is recently developed. This TEM cathodoluminescence technique is applied to study light emission in two-dimensional plasmonic nanocrystals. When the electron beam is incident parallel to surfaces of periodic structures, Smith-Purcell radiation is observed along with the surface plasmon polariton (SPP) induced radiation. This Smith-Purcell radiation-SPP interaction is observed in the contrast of dispersion curves in angular resolved images.
Keywords :
cathodoluminescence; electron beams; nanostructured materials; periodic structures; photodetectors; plasmonics; polaritons; surface plasmons; transmission electron microscopy; Smith-Purcell radiation; angular resolved images; cathodoluminescence; dispersion curves; electron beam; fast electron excitation; light detection system; light emission; periodic structures; surface plasmon; surface plasmon polariton; transmission electron microscope; two-dimensional plasmonic nanocrystals; voltage 200 kV; Electron beams; Electron emission; Image resolution; Optical polarization; Optical propagation; Periodic structures; Photonic band gap; Physics; Plasmons; Space technology;
Conference_Titel :
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-4079-5
Electronic_ISBN :
978-1-4244-4080-1
DOI :
10.1109/CLEOE-EQEC.2009.5192304
