NDLI: A broadband electron spectrometer and electron detectors for laser accelerator experiments

Content Provider	IEEE Xplore Digital Library
Author	Clayton, C.E. Marsh, K.A. Joshi, C. Darrow, C.B. Dangor, A.E. Modena, A. Najmudin, Z. Malka, V.
Copyright Year	1995
Description	Author affiliation: Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA (Clayton, C.E.; Marsh, K.A.; Joshi, C.; Darrow, C.B.; Dangor, A.E.; Modena, A.; Najmudin, Z.; Malka, V.)
Abstract	We describe the apparatus used to measure the spectrum of accelerated electrons from a laser-plasma acceleration experiment carried out a Rutherford Appleton Laboratories (RAL). The source of the broadband, energetic electrons was the forward Raman scattering instability of a high intensity (5/spl times/10/sup 18/ W/cm/sup 2/) laser. Here the laser beam photons decay into scattered photons and a relativistic electron plasma wave. The plasma wave subsequently accelerates plasma electrons to relativistic energies. The spectrometer and detectors were designed to give a quantitative (in energy and flux) single-shot electron spectrum over as wide a range of energies as possible. In this paper we present some calibration measurements taken prior to the RAL run which agree very well with TRACE3D runs used to model the beam transport. The silicon surface barrier detector (SBD) arrangement and fluorescer-filmpack arrangement are also described. Finally, some preliminary results are obtained which show excellent agreement between the spectra obtained with the SBDs and the film.
Starting Page	637
Ending Page	639
File Size	394105
Page Count	3
File Format	PDF
ISBN	0780329341
DOI	10.1109/PAC.1995.504741
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-05-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrons Spectroscopy Acceleration Plasma waves Raman scattering Plasma measurements Detectors Accelerometers Laboratories Particle beams
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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