Publications by Ivan Konoplev

Smith-Purcell coherent THz radiation signal modulation measurements for monitoring of separation of femtosecond electron micro-bunches

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz (2017)

IV Konoplev, H Zhang, AJ Lancaster, H Harrison, G Doucas, A Aryshev, M Shevelev, N Terunuma, J Urakawa

© 2017 IEEE. Micro-bunched particle beams are used for a wide range of research including tunable sources of THz radiation. In most of the applications accurate and non-destructive monitoring of the bunch-to-bunch separation is required. We present the results of proof-of-principle experiments on measuring the distance between two micro-bunches via the analysis of the coherent Smith-Purcell signal amplitude modulation. The proposed monitor can be used to provide feedback to control the sum-millimeter distances between the femtosecond long micro-bunches to stabilize the operation of a THz oscillator or to position the witness bunch into the right phase of the wakefield.

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