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https://doi.org/10.18429/JACoW-IBIC2017-TUPCC08
Title Improving the Sensitivity of Existing Electro-Optic Sampling Setups by Adding Brewster Plates: Tests of the Strategy at SOLEIL
Authors
  • S. Bielawski, M. Le Parquier
    PhLAM/CERCLA, Villeneuve d'Ascq Cedex, France
  • J.B. Brubach, L. Manceron, P. Roy, M.-A. Tordeux
    SOLEIL, Gif-sur-Yvette, France
  • C. Evain, C. Szwaj
    PhLAM/CERLA, Villeneuve d'Ascq, France
Abstract For improving the sensitivity of electro-optic sampling (EOS), several techniques are used. Operation of the set of polarizing elements "close to extinction" is a technique used routinely for obtaining high responsivity (i.e., a large output signal for a given input electric field). This technique is widely used for monitoring electron bunches in linear accelerators and FELs. We show that a simple modification of these EOS systems enables to increase further the SNR, by cancelling out the laser noise. The idea is to introduce a set of Brewster plates, following the idea Ahmed, Savolainen and Hamm [1] in the EOS path, and performing balanced detection. We present detailed tests of this type of upgrade on the PhLAM-SOLEIL EOS system, destined to studies of THz CSR pulse dynamics [2].
Footnotes & References [1] Ahmed et al, Rev. Sci. Instrum. 85, 013114 (2014)
[2] Szwaj et al., Review of Scientific Instruments 87, 103111 (2016)
Funding ERDF/CPER photonics for society. LABEX CEMPI Project (No. ANR-11-LABX-0007). HPC resources from GENCI TGCC/IDRIS (Grant Nos. i2015057057 and i2016057057).
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Conference IBIC2017, Grand Rapids, MI, USA
Series International Beam Instrumentation Conference (6th)
Proceedings Link to full IBIC2017 Proccedings
Session Tuesday Poster
Date 22-Aug-17   16:00–18:00
Main Classification 4 Time-Resolved Diagnostics and Synchronization
Keywords ion, laser, photon, electron, operation
Publisher JACoW, Geneva, Switzerland
Editors Zhengzheng Liu (FRIB, East Lansing, MI, USA); Steven Lidia (FRIB, East Lansing, MI, USA); Amy McCausey (FRIB, East Lansing, MI, USA); Volker RW Schaa (GSI, Darmstadt, Germany)
ISBN 978-3-95450-192-2
Published March 2018
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