RONALD D. RUTH

SLAC National Accelerator Laboratory

2575 Sand Hill Road (650) 926-3390

Menlo Park, CA 94025Fax: (650) 926-5368

EDUCATION

  • Ph.D., Physics, August 1981, State University of New York (SUNY) at Stony Brook, Stony Brook, New York. Dissertation: “Vertical Coherent Instabilities in Bunched Particle Beams”, Advisor: Prof. Ernest Courant.
  • M.A., Physics, January 1978, SUNY at Stony Brook, Stony Brook, New York.
  • Graduate Student in Physics, 1973-1974, YaleUniversity, New Haven, Connecticut.
  • B. A. with Honors in Mathematics and Physics, June 1973, University of Iowa, Iowa City, Iowa.

EMPLOYMENT

  • September 1997 - present, Professor at StanfordLinearAcceleratorCenter, Stanford, CA.
  • 2002 – 2009, Part-time leave of absence from SLAC, President and Chief Scientist, Lyncean Technologies, Inc., Palo Alto, CA.
  • 1997-1998 Sabbatical, CERN, Geneva, Switzerland
  • September 1991 - September 1997, Associate Professor at Stanford Linear AcceleratorCenter, Stanford, CA.
  • October 1989 - March 2006, Head of Accelerator Research Department A, Stanford Linear Accelerator Center, Stanford, CA.
  • April 1987- Oct. 1989, Deputy Head of Accelerator Theory & Special Projects Dept., Head of Beam Dynamics Group, Stanford Linear Accelerator Center, Stanford, CA.
  • February 1984 - April 1987, Physicist, Stanford Linear AcceleratorCenter, Stanford, CA.
  • October 1983 - January 1984, Staff Scientist II, LawrenceBerkeley Laboratory, Berkeley, CA.
  • 1982 - 1983, Scientific Associate, LEP Theory Group, CERN, Geneva, Switzerland. (On leave from LBL).
  • 1981 - 1982, Staff Scientist II, Lawrence Berkeley Laboratory, Berkeley, CA.
  • 1978 - 1981, Physics Associate, Brookhaven National Laboratory, Upton, New York.
  • 1977 - 1978, Teaching Assistant, SUNY at Stony Brook, Stony Brook, New York.
  • 1974 -1977, Instructor, Dept. of Physics, Southern Connecticut State College, New Haven, Conn.
  • 1970 - 1973, Student Assistant, Nuclear Physics Laboratory, University of Iowa, Iowa City, Iowa.

SELECTED COMMUNITY SERVICE

1994 & 1998 Review Committee, High Energy Physics, ANL

1994 – 1997Review Committee, Accelerator Technology, LANL

1996 – 2002Scientific Advisory Committee European Particle Accelerator Conference

1998 – 2001Executive Committee, Division of Physics of Beams (DPB), American Physical Society

1999 – 2002LCLS Technical Advisory Committee, SLAC

1999 – 2002Review Committee, Accelerator & Fusion Research Division, LBNL

2000Chair, Linear Accelerator Conference (LINAC2000)

2000 – 2005Accelerator Test Facility Steering Committee – BNL

2000 – presentPanel on Advanced & Novel Accelerators, International Committee on Future Accelerators (ICFA)

2001 – 2005Accelerator Advisory Committee, Fermi National Accelerator Lab

2001 – 2005Chair Line, Division of Physics of Beams (DPB), American Physical

Society

2006 – 2010Council Member, American Physical Society

2010-presentPhoton Science Technical Review Committee, LLNL

HONORS AND AFFILIATIONS

  • Council Member, American Physical Society
  • Past Chair, Division of Physics of Beams, American Physical Society
  • Fellow of American Physical Society.
  • YaleUniversity Fellowship Recipient.
  • John Warren and Esto Davies Memorial Award Recipient (Given to a senior in Physics at the University of Iowa).
  • B. A. with Distinction.
  • State of Iowa Scholarship Recipient
  • University of Iowa Scholarship Recipient.

Selected Peer Reviewed Publications

  1. “Fourth Order Symplectic Integration”, Etienne Forest (LBL, Berkeley) , R.D. Ruth (SLAC) . SLAC-PUB-5071, LBL-27662, Aug 1989. 23pp. Published inPhysica D43:105, 1990.
  2. “A Dispersion Free Trajectory Correction Technique for Linear Colliders,” T.Raubenheimer, R.D.Ruth, (SLAC), SLAC-PUB-5222, Oct. 1990, 67pp, Published in Nucl. Instrum. Meth. A302: 191-208, 1991
  3. “Transverse Coupled-Bunch Instabilities in Damping Rings of High Energy Linear Colliders,” K.Thompson, R.D.Ruth (SLAC), SLAC-PUB-4962, Sep. 1990, 45pp, Published in Phys. Rev. D43: 3049-3062, 1991
  4. “Long Term Bounds on Nonlinear Hamiltonian Motion,” R.L.Warnock, R.D.Ruth (SLAC), SLAC-PUB-5267, July 1991, 71pp Published in Physica D 56: 188-215, 1992
  5. “Construction of Symplectic Maps for Nonlinear Motion of Particles in Accelerators,” J.S.Berg, R.L.Warnock, R.D.Ruth (SLAC), E.Forest (LBL, Berkeley), SLAC-PUB-6037, May 1993, 68pp, Published in Phys. Rev. E49: 722-739, 1994
  6. “Radiation Reaction in a Continuous Focusing Channel,” Z.Huang, P.Chen, R.D.Ruth (SLAC), SLAC-PUB-6574, July 1994, 15pp, Published in Phys. Rev. Lett. 74: 1759-1762, 1995
  7. “Measurement of Wake-Field Suppression in a Detuned X-band Accelerator Structure,” C.Adolphsen, K.Bane, T.Higo, K. Kubo, R.Miller, R.Ruth, K.Thompson, J.Wang (SLAC), SLAC-PUB-6629, Aug. 1994, Published in Phys. Rev. Lett. 74: 2475-2478, 1995
  8. “Transverse Instabilities for Multiple Non-rigid Bunches in a Storage Ring”, J.S.Berg, R.D.Ruth (SLAC), SLAC-PUB-95-6829, April 1995, 12pp, Published in. Phys. Rev. E52:2179-2182, 1995
  9. “Active Radiofrequency Pulse Compression Using Switched Resonant Delay Lines,” S.G.Tantawi, R.D.Ruth, A.E.Vlieks (SLAC), SLAC-PUB-95-6748, June 1995. 23pp, Published in Nucl. Instrum. Meth. A, 370: 297-302, 1996
  10. “Laser-Electron Storage Ring,” Z.Huang and R.D.Ruth (SLAC), Phys. Rev. Lett., 80:976-979, 1998
  11. “Effects of Focusing on Radiation Damping and Quantum Excitation in Electron Storage Rings,” Z.Huang and R.D.Ruth (SLAC), Phys. Rev. Lett, 80:2318-2321, 1998.
  12. “Fully Coherent X-ray Pulses from a Regenerative-Amplifier Free-Electron Laser,” Z.Huang and R.D.Ruth (SLAC), Phys. Rev. Lett., 96:144801, 2006.
  13. “Hard X-ray Phase-Contrast Imaging with the Compact Light Source Based on Inverse Compton X-rays,” M.Bech, et al, Journal of Synchrotron Radiation, Volume 16 Part 1, January 2009.
  14. “X-ray structure determination of the glycine cleavage system protein H of Mycobacterium tuberculosis using an inverse Compton synchrotron X-ray source,’ Jan Abendroth et al,,J Struct Funct Genomics (2010)11:91-100.
  15. “Two-bunch self-seeding for narrow-bandwidth hard x-ray free-electron lasers,” Yuantao Ding, Zhirong Huang, and Ronald Ruth, Phys. Rev. STAB 13, 060703 (2010).

Selected Invited Presentations

  1. “A Semiclassical Treatment of Channeling Radiation Reaction,” Z.Huang, P.Chen, R.D.Ruth (SLAC), SLAC-PUB-95-7071, Nov. 1995, 14pp. Workshop on Channeling and Other Coherent Crystal Effects at Relativistic Energy, Aarhus, Denmark, 10-14 July 1995
  2. “Status of the NLC Test Accelerator,” R.D.Ruth (SLAC), 3rd ICFA Workshop on Pulsed RF Sources for Linear Colliders (RF96), Hayama, Kanagawa, Japan, April 8-12, 1996
  3. “Radiation Damping in a Focusing Channel,” R.D.Ruth (SLAC), Spring APS Meeting, Indianapolis, Indiana, May 2-5, 1996
  4. “Results from the SLAC NLC Test Accelerator,” R.D.Ruth (SLAC), 1997 Particle Accelerator Conference (PAC’97), Vancouver, B. C. Canada
  5. “A new method of RF power generation for two beam linear collider”, Hans-Heinrich Braun et al. SLAC-REPRINT-1998-070, CERN-PS-98-014-LP, CERN-PS-98-14-LP, CERN-CLIC-NOTE-367, Jun 1998. 5pp. Published in AIP Conf.Proc.474:1-12,1999. Also in *Stockholm 1998, EPAC 98* 248-252.
  6. “Prospects for Multi-TeV Two Beam Linear Colliders,” R.D.Ruth (SLAC), 2001 Particle Accelerator Conference, Chicago, Ill, June, 2001.
  7. “The Compact Light Source: A Miniature Synchrotron Light Source,” R.D.Ruth (Lyncean Technologies, Inc.), 2005 Particle Accelerator Conference, Knoxville, Tenn., May 2005.
  8. “Initial Results from the Compact Light Source: a Miniature Synchrotron Light Source for the Home Lab,” R.D.Ruth (Lyncean Technologies, Inc.), Gordon Research Conference, X-ray Physics,New London, NH, 2005.
  9. “Testing the Compact Light Source: a Miniature Synchrotron for the Home Lab,” R.D.Ruth (Lyncean Technologies, Inc.), 23rd European Crystallographic Meeting,Leuven, Belgium, 2005.
  10. "The Compact Light Source: A Miniature Synchrotron for the Home Lab", Ronald D. Ruth (Lyncean Technologies, Inc.), Synchrotron Radiation Instrumentation (SRI2007), Baton Rouge, Louisiana, April 2007.
  11. "The Compact Light Source: A Miniature Synchrotron", Ronald D. Ruth (Lyncean Technologies, Inc.), 9th European Conference on Accelerators in Applied Research and Technology (ECAART9), Florence, Italy September, 2007.
  12. “First Science from the Compact Light Source”, Ronald Ruth, Jeffrey Rifkin, Roderick Loewen, ACA-2009, Toronto, Canada, July 2009.

Patents:

SLAC

  • Ronald D. Ruth and Zhirong Huang, Compton Backscattered Collimated X-ray Source, U.S. Patent 5,825,847, 1998.
  • Ronald D. Ruth and Zhirong Huang, Compton Backscattered Collimated X-ray Source, U.S. Patent 6,035,015, 2000.

Lyncean Technologies

  • Jeffrey Rifkin, Roderick J. Loewen and Ronald D. Ruth, Apparatus, system, and method for high flux, compact Compton x-ray source, U.S. Patent 7277526, 2007.
  • Roderick J. Loewen, Jeffrey Rifkin and Ronald D. Ruth, X-ray transmissive optical mirror apparatus, U.S. Patent 7242748, 2007.
  • Roderick J. Loewen and Ronald D. Ruth, Apparatus, system, and method for optical pulse gain enhancement for high-finesse external cavity, U.S. Patent 7295653, 2007.
  • Roderick J. Loewen and Ronald D. Ruth, Apparatus, system, and method for frequency stabilized mode-locked laser, U.S. Patent 7301972, 2007.