Conference paper Open Access

A possible THz Radiation Source with a Train of Short Pulses in the SPARC high brightness photoinjector

Boscolo Manuela


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        "affiliation": "INFN-LNF", 
        "name": "Boscolo Manuela", 
        "orcid": "0000-0002-1997-6041"
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    "description": "<p>A radiofrequency electron gun followed by a compressor can generate trains of terahertz sub- picosecond electron pulses by illuminating the photocathode with a comb laser pulse. Any radiation process which does not change the electron distribution can be used to study the coherent spectrum of radiation emitted by a comb electron bunch. The coherent part of the spectrum is strongly enhanced by its N<sup>2</sup>&nbsp;dependence, where N is the number of particles in the bunch, being interesting both as possible source of Far-Infrared Radiation (FIR) and as diagnostic tool of the bunch structure.</p>\n\n<p>A feasibility study for a possible experiment at SPARC to be realized with the addition of a dedicated magnetic chicane is discussed. An optimization study of a magnetic chicane with a negative and variable R56&nbsp;is studied, together with a set of parameters relative to the SPARC machine with the intent of demonstrating the feasibility of this experiment. The dynamics is studied within the SPARC system with the PARMELA code.</p>", 
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    "keywords": [
      "THz radiation source, photoinjectors, FEL, electron linac"
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    "meeting": {
      "acronym": "EPAC08", 
      "dates": "23-27 June 2008", 
      "place": "Genoa, Italy", 
      "session": "T12", 
      "title": "11th European Particle Accelerator Conference", 
      "url": "http://www.epac08.org/index.html"
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    "notes": "Conf. Proc. C 0806233, WEPC069", 
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