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Analytical and Numerical Calculations of Two Dimensional Dielectric Photonic Band Gap Structures and Cavities for Laser Acceleration

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3 Author(s)
K. Samokhvalova ; Plasma Science and Fusion Center, MIT, Cambridge, MA 02143, USA, ksenias@mit.edu ; C. Chen ; Bao-Liang Qian

Dielectric photonic band gap (PBG) structures have many promising applications in laser acceleration. For these applications, accurate determination of fundamental and high order band gaps is critical. We present the results of our recent work on analytical calculations of two-dimensional (2D) PBG structures in rectangular geometry. We compare the analytical results with computer simulation results from the MIT Photonic Band Gap Structure Simulator (PBGSS) code, and discuss the convergence of the computer simulation results to the analytical results. Using the accurate analytical results, we design a mode-selective 2D dielectric cylindrical PBG cavity with the first global band gap in the frequency range of 8.8812 THz to 9.2654 THz. In this frequency range, the TM01-like mode is shown to be well confined.

Published in:

Proceedings of the 2005 Particle Accelerator Conference

Date of Conference:

16-20 May 2005