Talks and Conference Presentations
DAMOP May 2009 Barry C. Walker, Ionization of Atoms and Small Molecules in Ultra-Strong Laser Fields
DAMOP May 2009 N. Ekanayake, A. D. DiChiara, I. Ghebregziabher, L. R Barclay, J. M. Waesche, B. C. Walker, Relativistic MeV Photoelectrons from the Single Atom Response of Xenon to a 1019 W/cm2 Laser Field
DAMOP May 2009 Barry C. Walker, Ionization of Atoms and Small Molecules in Ultra-Strong Laser Fields
DAMOP May 2009 B.L. Wen, N. Ekanayake, J. M. Waesche, S. L. White, A. Watts, T. Stanev, B. C. Walker, Strong Field Ionization of Ne for an ultrafast, 400 nm Laser Field
CLEO/QELS June 2009 I. Ghebregziabher, J. M Waesche, A. D. DiChiara, N. Ekanayake, B. L. Wen, B. C. Walker, MeV Photoelectrons from Xenon in a Strong Laser Field
Super Intense Laser-Atom Physics (SILAP) September 2009 B. C. Walker, N. Ekanayake, L. R. Barclay, A. Watts, B. L. Wen, S. J. Wells, T. Stanev, M. Videtto, C. A. Mancuso, L. E. Howard, Mechanisms behind Ultra-strong Field Interactions with Atoms and Molecules
Super Intense Laser-Atom Physics (SILAP) September 2009 N. Ekanayake, I. Ghebregziabher, A. D. DiChiara, L. R. Barclay, C. A. Mancuso, S. J. Wells, B. C. Walker, Relativistic MeV Photoelectrons from the Single Atom Response of Xenon to a 1019 W/cm2 Laser Field
Super Intense Laser-Atom Physics (SILAP) September 2009 B. L. Wen, N. Ekanayake , L. R. Barclay, S. L. White, J. M. Waesche , A. Watts ,T. Stanev, L. E. Howard, M. Videtto, B. C. Walker, Strong Field Ionization of Ne for an Ultrafast 400 nm Laser Field
11th International Conference on Multiphoton Processes September 2008,A.D. DiChiara, I. Ghebregziabher, R. Sauer, J. Waesche, S. Palaniyappan, B.L. Wen, B.C. Walker, Relativistic, MeV Photoelectrons From The Single Atom Response Of Argon To A 1019 W/cm2 Laser Field
11th International Conference on Multiphoton Processes September 2008, S. Palaniyappan, R. Mitchell, I. Ghebregziabher, S.L. White, M.F. Decamp, and B.C. Walker, Ionization Of Methane In Strong And Ultrastrong Fields
SPIE Optics and Photonics August 2008, A. DiChiara, J. Waesche, S. Palaniyappan, B.C. Walker, Micro-Optic Array Applications in Terawatt Ultrafast Laser Amplifiers
Gordon Research Conference June 2008 B.C. Walker, Is the Field Strong or Ultra-Strong?
DAMOP May 2008, S. Palaniyappan , R. Mitchell , R. Sauer , I. Ghebregziabher , S. White , M. DeCamp , B.C. Walker, Ionization of Methane, Ethane, Butane and Octane in Strong and Ultrastrong, Relativistic Fields
DAMOP May 2008, I. Ghebregziabher , A.D. Dichiara , R. Sauer , J. Waesche , S. Palaniyappan , B. Wen , B.C. Walker, Relativistic, >1MeV, photoelectrons from the single atom response of Ar and Xe to a 10^19 W/cm^2 laser field
CLEO/QELS May 2008, I. Ghebregziabher, A. DiChiara, S. Palaniyappan, R. Sauer, R. Mitchel, J. Waesche, S. White, B.C. Walker, Relativistic Photoelectron Measurements from Ionization of Argon and Xenon in Ultrahigh Fields
CLEO/QELS May 2008, S. Palaniyappan, R. Mitchell, R. Sauer, I. Ghebregziabher, S. White, A. DiChiara, M. DeCamp, B.C. Walker, Intense Field Ionization of Methane, Ethane, Butane and Octane: Transition from Molecular to Atomic Response
DAMOP June 2007, S. Palaniyappan, R. Mitchell, R. Sauer, B.C. Walker, Intense field ionization of methane, butane, and octane: transition from molecular to atomic response
DAMOP June 2007, I. Ghebregziabher, B.C. Walker, Quantum Interference Effects In Radiation From Atomic Ionization In Ultrahigh Fields
DAMOP June 2007, A. DiChiara, I. Ghebregziabher, R. Sauer, B.C. Walker, Photoelectron Angular Distributions from an Ultrastrong Field Atom Interaction
CLEO May 2007, I. Ghebregziabiher, B.C. Walker, The Effect of Focal Geometry on Radiation from Atomic Ionization in Ultrastrong/Ultrafast Laser Field
CLEO May 2007, A. DiChiara, I. Ghebregziabiher, R. Sauer, B.C. Walker, Photoelectron Angular Distributions from the Single Atom Response to a Relativistic Laser Field
CLEO May 2007, S. Palaniyappan, R. Mitchell, R. Sauer, B.C. Walker, Intense Field Ionization of Methane, Butane, and Octane: Transition from Molecular to Atomic Response
APS March Meeting March 2007, T. Popmintchev, D.M. Gaudiosi, O. Cohen, M.M. Murnane, H.C. Kapteyn, M. Grisham, B. Reagan, M. Berrill, J.J. Rocca, B.C. Walker, High harmonic generation from ions in a capillary discharge
APS March Meeting March 2007, I. Altfeder , B. Huang , I. Appelbaum , B.C. Walker, Self-assembly of Epitaxial Monolayers for Vacuum Wafer Bonding
OSA Frontiers in Optics / APS Laser Science October 2006, Anthony DiChiara, Isaac Ghebregziabher, and Barry C.. Walker, High Energy Photoelectron Angular Distributions by an Ultra-Intense Laser Field-Atom Interaction
OSA Frontiers in Optics / APS Laser Science October 2006, S. Palaniyappan, I. Ghebregziabher, A. DiChiara, J. MacDonald, and Barry Walker, Rescattering across Shells and into Ultra-Strong Fields
International Conference on Ultrafast Phenomena July 2006, Tenio Popmintchev, Brendan Reagan, David M. Gaudiosi, Michael Grisham, Mark Berrill, Oren Cohen, Barry C. Walker, Margaret M. Murnane, Henry C. Kapteyn, Jorge J. Rocca, Enhanced High Harmonic Generation from Ions using a Capillary Discharge
DAMOP May 2006, B.C. Walker , I. Ghebregziabher , A. DiChiara , S. Palaniyappan, Ultra-Strong Field Ionization From Ne to Xe
DAMOP May 2006, D.M. Gaudiosi , B. Reagan , T. Popmintchev , M. Grisham , M. Berrill , O. Cohen , B.C. Walker , M.M. Murnane , H.C. Kapteyn , J.J. Rocca, High harmonic generation from ions in a capillary discharge
CLEO May 2006, S. Palaniyappan, I. Ghebregzibher, and B.C. Walker, Lorentz Deflection of Rescattering and High Harmonic Generation at Mid-IR Wavelengths
CLEO May 2006, Sasi Palaniyappan, Anthony DiChiara, Isaac Ghebregziabher, and Barry C. Walker, Ultrastrong Field Ionization from Ne to Xe: Species Dependent Enhanced Nonsequential Ionization
CLEO May 2006, B. Reagan, D.M. Gaudiosi, T. Popmintchev, M. Grisham, O. Cohen, B.C. Walker, J.J. Rocca, M.M. Murnane, H.C. Kapteyn, High Harmonic Generation from Ions in a Capillary Discharge
CLEO May 2006, R. Chadwick, E. Spahr, B.C. Walker, J.A. Squier, C. Durfee, Co-Linear, Fringe-Free, Background-Free Third Harmonic FROG
CLEO May 2005, A. DiChiara, S. Palaniyappan, A. Falkowski, E. Huskins, B.C. Walker, Cross-Shell Multielectron Ionization of Xenon by Ultrastrong Laser Field
CLEO May 2005, S. Palaniyappan, A. DiChiara, G. Ongadi, D. Pajerowski, A. Falkowski, E. Huskins, B.C. Walker, Multielectron Ionization of Ne+n in Ultrastrong Laser Fields: Rescattering and the Role of the Magnetic Field
CLEO May 2005, I. Ghebregziabher, E. Chowdhury, J. MacDonald, and B.C. Walker, Bremsstrahlung Radiation From the Ultraintense Field Ionization of Atoms
OSA Frontiers in Optics / APS Laser Science October 2005, S. Palaniyappan, I. Ghebregziabher, B.C. Walker, High Harmonic Generation in Ultraintense Laser Fields
OSA Frontiers in Optics / APS Laser Science October 2004, E. Chowdhury, I. Ghebregziabher, J. MacDonald, B.C. Walker, Electron momentum states and Bremsstrahlung radiation from ultra-intense atomic field ionization
OSA Frontiers in Optics / APS Laser Science October 2004, B.C. Walker, A. DiChiara, S. Palaniyappan, G. Ongadi, E. Chowdhury, D. Pajerowski, Rescattering in ultra-intense laser fields
OSA Frontiers in Optics / APS Laser Science October 2004, E.A. Chowdhury, I. Ghebregziabher, B.C. Walker, Larmor radiation from the ultra-intense field atom ionization
OSA Annual Meeting, Laser Science XIX and Exhibit October 2003, E.A. Chowdhury, B.C. Walker, Ultrafast XUV Larmor radiation from ultrahigh field ionization
Conference on Super Intense Laser Atom Physics - SILAP November 2003, B.C. Walker
CLEO June 2003, E.A. Chowdhury, G. Ongadi, B.C. Walker, R.S. Tamosaitis, A. Hurynovich, Micro-Optic Spatial Mode Shaping for Terwatt Lasers
CLEO June 2003, Enam Chowdhury and Barry C. Walker, Relativistic rescattering for atoms and ions in ultraintense fields
Gettysburg College Physics Colloquium March 2003, Barry C. Walker
Ithaca College Physics Seminar January 2003, Barry C. Walker
Moravian College Physics Seminar February 2003, Barry C. Walker
DAMOP May 2003, B.C. Walker, E. Chowdhury, G. Ongadi, A. DiChiara, Suppression of non-sequential ultra high field ionization for deeply bound states in atoms
International Symposium on Ultrafast Intense Laser Science 2: Propagation and Interaction, September 2003, Quebec City, Canada, Barry C. Walker
APS March Meeting March 2002, Enam Chowdhury, Barry Walker, Future XUV sources from Ultrafast Laser Technology
OSA Annual Meeting 2003, B.C. Walker, Field Ionization and Continuum Dynamics at Relativistic Intensities
APS Laser Science XVIII 2002, B.C. Walker, Ultrahigh Field Physics and Advances in Ultrafast High Field Laser Technology
Multiphoton Gordon Conference 2002, B.C. Walker, Ionization, Rescattering, & Radiation for Atomis in Ultraintense Fields
American Association of Physics Teachers National Meeting 2002, B.C. Walker, Real-World, E-Published Electricity and Magnetism Undergraduate Laboratory Curriculum
American Association of Physics Teachers National Meeting 2002, B.C. Walker, Student Perception of Real World Problems and E-Published Materials
Joint American Astronomical Society / American Association of Physics Teachers National Meeting 2001, B.C. Walker, Merits of E-publishing Physics: An Undergraduate Optics Laboratory Case Study
Conference on Lasers and Electro-Optics 2001, J.Z. Yang, D. Dakin, B.C. Walker, 4-TW, 10-Hz or 6-W, 2-kHz pulses from a versatile compact CPA laser
Atomic Physics Gordon Conference 2001, B.C. Walker, Overview of Ultrafast Atomic Physics
OSA Applications of High Field and Short Wavelength Sources October 2001, Enam A. Chowdhury, and Barry C. Walker, Ultra-intense light-matter studies with a compact laser system
OSA Applications of High Field and Short Wavelength Sources October 2001, Enam A. Chowdhury, and Barry C. Walker, Suppression of Ion-Electron Rescattering in Ultrahigh Fields
American Association of Physics Teachers January 2000, Barry Walker, Digital Imaging in Optics: Incorporating Technology in Undergraduate Teaching Laboratories
Conference on Lasers and Electro-Optics 2000, J.Z. Yang, B.C. Walker, 6 Watt, 6 mJ Amplification with a 30 % Efficient, khz, Ti:Sapphire Regenerative Amplifier
Division of Atomic Molecular Optical Physics APS Meeting 2000, E. Chowdhury, J.Z. Yang, B.C. Walker, "Nonrelativisitic" Ionization by a "Relativistic" 10^19 W/cm^2 Laser Field
University of Delaware, Physical Chemistry Seminar 2000, B.C. Walker, Time-Resolved Measurements of Electron Dynamics
DAMOP June 2000, B.C. Walker, E.A. Chowdury, C. Toth, K.R. Wilson, C.P.J. Barty, Relativistic Multiphoton Ionization of the L Shell States in Argon by an Ultraintense (10^19~W/cm^2) Strong Field
Conference on Lasers and Electro-Optics 1999, J.Z. Yang, B.C. Walker, Ultrafast, Relativistic Laser Field Generation and the Observations of Relativistic Photoionization Rates
Conference on Lasers and Electro-Optics 1999, B.C. Walker, Theoretical and Experimental Analysis of Distortions in Pulsed Laser Fields: A Phase Error Figure of Merit
International Conference on Multiphoton Processes 1999, B.C. Walker, Ionization of Argon n = 2 (Ar+9 to Ar+16) by a Relativistic Field and High Average Power Lasers
Jefferson National Laboratory LPC Free Electron Laser Workshop 1999, B.C. Walker, Proposed Strong Field Photoionization Experiments in the Mid-IR with the Free Electron Laser
DAMOP April 1997, B.C. Walker, J.A. Squier, K.R. Wilson, C.P.J. Barty, Hybrid Vacuum-Atmosphere Compressors for High Peak Power, Chirped Pulse Amplification Lasers
DAMOP April 1997, K.C. Kulander, B.C. Walker, B. Sheehy, L.F. DiMauro, A test of a simple semi-classical model of intense field ionization in the tunneling limit
DAMOP April 1997, B.C. Walker, One- and Two- Electron Ionization of Atoms by a Strong Laser Field
