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Development of CMR Manganite Sensors for Energy Measurement of the Linear Coherent Light Source Free Electron Laser Xray Pulses

Published online by Cambridge University Press:  01 February 2011

Grace J. Yong ,
Rajeswari M. Kolagani ,
David E. Cox ,
Rajeh Mundle ,
Anthony L. Davidson III ,
Stephan Friedrich ,
Zaheer A. Ali ,
Owen B. Drury ,
Lisa G. Li  and
Linda L. Ott
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Grace J. Yong
Affiliation:
gyong@towson.edu, Towson U., Physics, Astronomy, and Geosciences, 8000 York Rd., Towson, MD, 21252, United States
Rajeswari M. Kolagani
Affiliation:
mrajeswari@towson.edu, Towson U., Physics, Astronomy, and Geosciences, 8000 York Rd., Towson, MD, 21252, United States
David E. Cox
Affiliation:
dcox2@towson.edu, Towson U., Physics, Astronomy, and Geosciences, 8000 York Rd., Towson, MD, 21252, United States
Rajeh Mundle
Affiliation:
rmundl1@towson.edu, Towson U., Physics, Astronomy, and Geosciences, 8000 York Rd., Towson, MD, 21252, United States
Anthony L. Davidson III
Affiliation:
adavid2@towson.edu, Towson U., Physics, Astronomy, and Geosciences, 8000 York Rd., Towson, MD, 21252, United States
Stephan Friedrich
Affiliation:
friedrich1@llnl.gov, Lawrence Livermore National Lab, Advanced Detector Group, 7000 East Ave. L-270, Livermore, CA, 94550, United States
Zaheer A. Ali
Affiliation:
ali1@llnl.gov, Lawrence Livermore National Lab, Advanced Detector Group, 7000 East Ave. L-270, Livermore, CA, 94550, United States
Owen B. Drury
Affiliation:
drury2@llnl.gov, Lawrence Livermore National Lab, Advanced Detector Group, 7000 East Ave. L-270, Livermore, CA, 94550, United States
Lisa G. Li
Affiliation:
friedrich1@llnl.gov, Lawrence Livermore National Lab, Advanced Detector Group, 7000 East Ave. L-270, Livermore, CA, 94550, United States
Linda L. Ott
Affiliation:
ott2@llnl.gov, Lawrence Livermore National Lab, Advanced Detector Group, 7000 East Ave. L-270, Livermore, CA, 94550, United States
Yong Liang
Affiliation:
yong.liang@motorola.com, Motorola Labs, Physical Science Research Labs, 7700 S. River Parkway, Tempe, AZ, 85284, United States
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Abstract

We are developing Colossal Magnetoresistive (CMR) manganite thin film bolometric sensors to be employed as total energy detectors for beam diagnostics of the Linear Coherent Light Source (LCLS) Free Electron Laser (FEL) (at the Stanford Linear Accelerator). LCLS is an ultra bright, ultra short coherent x-ray source whose peak brightness will exceed that of third generation x-ray sources by about ten orders of magnitude and average brightness by three orders of magnitudes. It is expected to produce 1012 x-rays per 200 fs pulse with a repeat frequency of 120 Hz through self-amplified stimulated emission. In characterizing the beam, it will be necessary to measure the total energy of the FEL pulse. The Advanced Detector Group at Lawrence Livermore Laboratory has developed a scheme for FEL total energy measurements based on bolometric detection and are collaborating with Towson University to implement such a detector using CMR manganite thin films. Here we discuss the basic scheme, results of simulations of the thermal response and the materials development efforts towards fabricating the thin film detectors.

Keywords

filmmagnetoresistance (transport)laser ablation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 928: Symposium GG – Current and Future Trends of Functional Oxide Films , 2006 , 0928-GG05-05
Copyright
Copyright © Materials Research Society 2006

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