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Beam Transport Devices for the 10kW Free Electron Laser at Thomas Jefferson National Accelerator Facility
/ Dillon-Townes, Lawrence A ; Behre, Christopher ; Bevins, Michael E ; Biallas, George H ; Douglas, David ; Gould, Christopher W ; Gubeli, Joe ; Kashy, David H ; Lassiter, Ronald ; Munk, L et al.
The beam transport vacuum components for the 10 kW Free Electron Laser (FEL) at Thomas Jefferson National Accelerator Facility (TJNAF) were designed to address 10 MeV electron beam characteristics and maintain an accelerator transport vacuum of 10-9
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.1210
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2.
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High Average Power Operation of a Scraper-Outcoupled Free-Electron Laser
/ Shinn, Michelle D ; Behre, Chris ; Benson, S V ; Bevins, Michael ; Bullard, Don ; Coleman, James ; Dillon-Townes, L ; Elliott, Tom ; Gubeli, Joe ; Hardy, David et al.
We describe the design, construction, and operation of a high average power free electron laser using scraper outcoupling. Using the FEL in this all-reflective configuration, we achieved approximately 2 kW of stable output at 10 um. [...]
2004
External link: Published version from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. TUBOS03
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3.
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A 10 kW IRFEL Design for Jefferson Lab
/ Benson, S V ; Biallas, G ; Boyce, J ; Douglas, D R ; Dylla, H F ; Evans, R ; Grippo, A ; Gubeli, J ; Jordan, K ; Krafft, G A et al.
2001
IEEE Published version, local copy: PDF;
In : 19th IEEE Particle Accelerator Conference, Chicago, IL, USA, 18 - 22 Jun 2001, pp.e-proc. 249
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4.
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Mechanical and Thermal Design of the CEBAF Hall A Beam Calorimeter
/ Bevins, Michael E ; Day, Anthony R ; Degtiarenko, Pavel ; Dillon-Townes, Lawrence A ; Freyberger, Arne ; Gilman, Ronald ; Saha, Arun ; Slachtouski, Stephanie
A calorimeter has been proposed to provide 0.5% - 1.0% absolute measurements of beam current in the Hall A end station of the Thomas Jefferson National Accelerator Facility (JLab) CEBAF machine. Silver and copper calorimeters built in the 1960's achieved precisions of about 1%. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3819
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5.
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Recent Results from the IR Upgrade FEL at Jefferson Lab
/ Benson, S V ; Beard, K ; Behre, C P ; Biallas, G H ; Boyce, J ; Douglas, D ; Dylla, H F D ; Evans, R ; Grippo, A G ; Gubeli, J G et al.
After demonstrating 10 kW operation with 1 second pulses, the Jefferson Lab program switched to demonstrating high power operation at short wavelengths using a new 8 cm period wiggler and a THz suppression chicane. We report here on the lasing results to date using this new configuration. [...]
2005
External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.e-proc. MOOB004
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6.
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High Power Lasing in the IR Upgrade FEL at Jefferson Lab
/ Benson, S V ; Beard, Kevin ; Behre, Chris ; Herman-Biallas, George ; Boyce, James ; Douglas, David ; Dylla, Fred ; Evans, Richard ; Grippo, A ; Gubeli, Joe et al.
We report on progress in commissioning the IR Upgrade facility at Jefferson Lab. Operation at high power has been demonstrated at 5.7 microns with over 4 kW of continuous power output and a recirculated electron beam power of up to 800 kW. [...]
2004
External link: Published version from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. TUCOS02
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7.
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Kilowatt Lasing in a Free-Electron Laser
/ Neil, G R ; Benson, S V ; Biallas, G ; Bohn, C L ; Douglas, D ; Dylla, H F ; Evans, R ; Fugitt, J A ; Grippo, A ; Gubeli, J et al.
2000
External link: Published version
In : 7th European Particle Accelerator Conference, Vienna, Austria, 26 - 30 Jun 2000, pp.e-proc. 764
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8.
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A Summary and Status of the SNS Ring Vacuum Systems
/ Mapes, Michael ; Hechler, Michael ; Hseuh Hsiao Chaun ; Ladd, Peter ; Rank, Jim ; Smart, Loralie ; Todd, Robert J ; Weiss, Daniel
The Spallation Neutron Source (SNS) ring is designed to accumulate high intensity protons. The SNS ring vacuum system consists of the High Energy Beam Transport (HEBT) line, Accumulator Ring and the Ring to Target Beam Transport (RTBT) line [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2929
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9.
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Calculations and Mitigation of THz Mirror Heating at the Jefferson Lab FEL
/ Williams, G P ; Benson, S V ; Biallas, G H ; Douglas, D ; Gubeli, J G ; Neil, G ; Shinn, M D ; Zhang, S
Short bunches of electrons in the Jefferson Lab FEL emit multiparticle coherent edge radiation as they enter the dipole prior to the outcoupler mirror. This light is more collimated than synchrotron light and furthermore is modified by interference from the last chicane magnet after the high reflector. [...]
2005
External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.e-proc. TUPP058
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10.
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Absolute Current Calibrations of 1$\mu$A CW Electron Beam
/ Freyberger, A ; Bevins, M E ; Day, A R ; Degtiarenko, P ; Saha, A ; Slachtouski, S
The future experimental program at Jefferson Lab requires an absolute current calibration of a 1$\mu\A CW electron beam to better than 1% accuracy. This paper presents the mechanical and electrical design of a Tungsten calorimeter that is being constructed to provide an accurate measurement of the deposited energy. [...]
2005
External link: Published version from JACoW
In : 7th European Workshop on Beam Diagnostics and Instrumentation for Particle Accelerators, Lyons, France, 6 - 8 Jun 2005, pp.36
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