NDLI: Terahertz Smith-Purcell Radiation from Surface Plasmon Wave in One-Dimensional Photonic Crystal Structure using Counter-Streaming Electron Beam

Content Provider	IEEE Xplore Digital Library
Author	Shin, Y.M. So, J.K. Hang, K.H. Won, J.H. Srivastava, A. Park, G.S.
Copyright Year	2006
Description	Author affiliation: Sch. of Phys., Seoul Nat. Univ. (Shin, Y.M.; So, J.K.; Hang, K.H.; Won, J.H.; Srivastava, A.; Park, G.S.)
Abstract	A new THz Smith-Purcell radiation (SPR) free electron laser (FEL) using counter-streaming electron beams (CSEBs) on a one-dimensionally structured metal slab is introduced. The analytical dispersion curve and the calculated SPR-intensity of the CSEBs-SPR system explain how plasmon-transmissions between the CSEBs lower the tansition-threshold from a spontaneous emission to a stimulated one as well as enhance the radiation intensity. The self-frequency-locking effect of the system is verified by numerical simulations based on particle-in-cell (PIC) computation. On summary of the numerical analyses, the transition-threshold of CSEBs-SPR is lowered down to 2-3% of a conventional SPR. The radiation intensity of the former is about two orders of magnitude larger than that of the latter at the same beam-current density
Starting Page	175
Ending Page	176
File Size	2473292
Page Count	2
File Format	PDF
ISBN	1424401089
DOI	10.1109/IVELEC.2006.1666241
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface waves Plasmons Photonic crystals Electron beams Current density Frequency Slabs Numerical analysis Gratings Optical modulation plasmon Smith-Purcell radiation (SPR) counter-streaming electron beams (CSEBs)
Content Type	Text
Resource Type	Article

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