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J. W. Lewellen et al., “The NPS-FEL Injector Upgrade”, in Proc. 24th Linear Accelerator Conf. (LINAC'08), Victoria, Canada, Sep.-Oct. 2008, paper TUP044, pp. 495-497. |
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J. W. Lewellen et al., “The Quest for the Perfect Cathode”, presented at the North American Particle Accelerator Conf. (NAPAC'22), Albuquerque, New Mexico, USA, Aug. 2022, paper TUYD3, unpublished. |
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J. W. Lewellen, “Energy-Spread Compensation of a Thermionic-Cathode RF GunENERGY-SPREAD COMPENSATION OF A THERMIONIC-CATHODE RF GUN*.”, in Proc. 20th Particle Accelerator Conf. (PAC'03), Portland, OR, USA, May 2003, paper WPAB003, pp. XX-XX. |
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J. W. Lewellen, “Future Directions in Electron Sources”, in Proc. 21st Particle Accelerator Conf. (PAC'05), Knoxville, TN, USA, May 2005, paper MOPB007, pp. XX-XX. |
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J. W. Lewellen, “Overview on High-Brightness Electron Guns”, in Proc. 22nd Linear Accelerator Conf. (LINAC'04), Lübeck, Germany, Aug. 2004, paper FR104, pp. XX-XX. |
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J. W. Lewellen, “Simulation of A Higher-Order Mode RF Photoinjector”, in Proc. 21st Linear Accelerator Conf. (LINAC'02), Gyeongju, Korea, Aug. 2002, paper TH432, pp. XX-XX. |
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J. W. Lewellen, C. E. Buechler, G. E. Dale, N. A. Moody, and D. C. Nguyen, “Spaceborne Electron Accelerators”, in Proc. 28th Linear Accelerator Conf. (LINAC'16), East Lansing, MI, USA, Sep. 2016, pp. 32-37. |
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J. W. Lewellen, D. Gorelov, D. Perez, M. E. Schneider, and E. I. Simakov, “A Coupon Tester for Normal Conducting High-Gradient Materials”, in Proc. 12th Int. Particle Accelerator Conf. (IPAC'21), Campinas, Brazil, May 2021, pp. 1147-1150. |
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J. W. Lewellen, F. L. Krawczyk, and J. R. Harris, “Design of a Radial RF Electron Gun”, in Proc. 9th Int. Particle Accelerator Conf. (IPAC'18), Vancouver, Canada, Apr.-May 2018, pp. 4287-4290. |
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J. W. Lewellen, F. L. Krawczyk, and N. A. Moody, “High-gradient Cathode Testing for MaRIE”, in Proc. 36th Int. Free Electron Laser Conf. (FEL'14), Basel, Switzerland, Aug. 2014, paper THP024, pp. 739-742. |
