Sub-mm/THz wave generation/amplification using Cerenkov-transition based device

A. I. Nashed; S. K. Chaudhuri; S. Safavi-Naeini

doi:10.1117/12.2002069

27 March 2013 Sub-mm/THz wave generation/amplification using Cerenkov-transition based device

A. I. Nashed, S. K. Chaudhuri, S. Safavi-Naeini

Proceedings Volume 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI; 862408 (2013) https://doi.org/10.1117/12.2002069
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Due to the rapid growth of the biomedical and the security applications, the interest in the development of compact and flexible sub-mm/THz radiation sources has grown significantly. In this paper we propose a novel source design to address this need. Taking the advantage of the Photonic Crystal (PC) structure, a metallic defected PC, with no axial discontinuities, was designed as a Slow Wave Structure (SWS). This SWS was used in a high power Cerenkov-transition based oscillator/amplifier working in sub-mm/THz frequency regime. The SWS allows electron beams to travel axially in it, facilitating the beam-wave interaction required for the desired signal generation. Two coaxial transitions are used as input and output for the proposed device. The analysis of the proposed device was done using a combined Finite Difference Time Domain (FDTD) / Particle In Cell (PIC) simulation. Using the FDTD thin wire model, coaxial transitions were modeled to feed/extract the input/generated signals. To show the potential of the proposed device, two design examples; one for the amplifier and the other for the oscillator, are presented.

Citation Download Citation

A. I. Nashed, S. K. Chaudhuri, and S. Safavi-Naeini "Sub-mm/THz wave generation/amplification using Cerenkov-transition based device", Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 862408 (27 March 2013); https://doi.org/10.1117/12.2002069

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available