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Linear detection of coherent synchrotron radiation emitted by single electron bunches using zero-biased InGaAs Schottky diode detectors

DOI: 10.1109/IRMMW-THz.2018.8510427 DOI Help

Authors: N. S. Daghestani (RAL Space, STFC Rutherford Appleton Laboratory) , K. Parow-souchon (RAL Space, STFC Rutherford Appleton Laboratory) , D. Pardo (RAL Space, STFC Rutherford Appleton Laboratory) , F. Cahill (RAL Space, STFC Rutherford Appleton Laboratory) , M. D. Frogley (Diamond Light Source) , J. Langston (Tektronix UK Ltd) , B. E. J. Alderman (RAL Space, STFC Rutherford Appleton) , G. Cinque (Diamond Light Source) , P. G. Huggard (RAL Space, STFC Rutherford Appleton Laboratory)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Peer Reviewed: No

State: Published (Approved)
Published: October 2018

Abstract: Using a range of zero-biased InGaAs Schottky diode detectors, terahertz coherent synchrotron radiation emitted by individual electron bunches has been detected. The source was the UK's Diamond Light Source synchrotron operating in low-alpha THz mode. Detected signals have a FWHM of <50 picoseconds, and a spectral bandwidth of 0.2 – 3 THz. Due to the sensitivity, high linearity and fast recovery of the detectors, we were able to record the THz emission from a series of bunches over several synchrotron round trips.

Subject Areas: Physics


Instruments: B22-Multimode InfraRed imaging And Microspectroscopy