Recent Publications

 

MeV electron acceleration at 1 kHz with <10mJ laser pulses

F. Salehi, A. J. Goers, G. A. Hine, L. Feder, D. Kuk, B. Miao, D. Woodbury, K. Y. Kim, and H.M. Milchberg

Optics Letters 42, 215 (2017). [ PDF (1.8 MB) ]

 

Two-photon vibrational excitation of air by long-wave infrared laser pulses

J. P. Palastro, J. Peñano, L. A. Johnson, B. Hafizi, J. K. Wahlstrand, and H.M. Milchberg

Phys. Rev. A 94, 023816 (2016). [ PDF (315 KB) ]

 

Spatiotemporal Optical Vortices

N. Jhajj, I. Larkin, E.W. Rosenthal, S. Zahedpour, J.K. Wahlstrand, and H.M. Milchberg

Phys. Rev. X 6, 031037 (2016). [ PDF (1.5 MB) ]

Supplementary Material:

  Vortex Birth [ AVI (6.5 MB) ]

  Vortex Settling [ AVI (14 MB) ]

 

Energy deposition of single femtosecond filaments in the atmosphere

E. W. Rosenthal, N. Jhajj, I. Larkin, S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg

Optics Letters 41, 3908 (2016). [ PDF (1.5 MB) ]

 

Generation of axially modulated plasma waveguides using a spatial light modulator

G. A. Hine, A. J. Goers, L. Feder, J. A. Elle, S. J. Yoon, and H. M. Milchberg

Optics Letters 41, 3427 (2016). [ PDF (1.5 MB) ]

 

Optimizing the time resolution of supercontinuum spectral interferometry

J. K. Wahlstrand, S. Zahedpour, and H. M. Milchberg

J. Opt. Soc. Am. B 33, 1476 (2016). [ PDF 2.4 MB ]

 

Absolute measurement of the ultrafast nonlinear electronic and rovibrational response in H2 and D2

J. K. Wahlstrand, S. Zahedpour, Y.-H. Cheng, J. P. Palastro, and H. M. Milchberg

Phys. Rev. A 92, 063828 (2015). [ PDF 1.1 MB ]

 

Measurement of the nonlinear refractive index of air constituents at mid-infrared wavelengths

S. Zadehpour, J. K. Wahlstrand, and H. M. Milchberg

Optics Letters 40, 5794 (2015). [ PDF (1.92 MB) ]

 

Multi-MeV Electron Acceleration by Subterawatt Laser Pulses

A. J. Goers, G. A. Hine, L. Feder, B. Miao, F. Salehi, J. K. Wahlstrand, and H. M. Milchberg

Physical Review Letters 115, 194802 (2015). [ PDF (909 KB) ]

 

Sensitivity of Propagation and Energy Deposition in Femtosecond Filamentation to the Nonlinear Refractive Index

E. W. Rosenthal,J.P. Palastro, N. Jhajj,S Zahedpour, J. K. Wahlstrand, and H. M. Milchberg

J. Phys. B: At. Mol. Opt. Phys. 48, 094011 (2015). [ PDF (770 KB) ]

 

Optical Mode Structure of the Air Waveguide

N. Jhajj, J. K. Wahlstrand, and H. M. Milchberg

Optics Letters 39, 612 (2014). [ PDF (409 KB) ]

 

The Extreme Nonlinear Optics of Gases and Femtosecond Filamentation

H. M. Milchberg, Y.-H. Chen, Y.-H. Cheng, N. Jhajj, J. P. Palastro, E. W. Rosenthal, S. Varma, J. K. Wahlstrand,and S. Zahedpour

Physics of Plasmas 21,10091 (2014). [ PDF (614 KB) ]

 

Collection of Remote Optical Signals by Air Waveguides

E. W. Rosenthal, N. Jhajj, J. K. Wahlstrand, and H. M. Milchberg

Optica 1, 5-9 (2014). [ PDF (1.5 MB) ]

 

Laser Wakefield Acceleration of Electrons with Ionization Injection in a Pure N5+ Plasma

A. J. Goers, S. J. Yoon, J. A. Elle, G. A. Hine, and H. M. Milchberg

Applied Physics Letters 104, 214105 (2014). [ PDF (1.4 MB) ]

 

Quasi-Phase-Matched Laser Wakefield Acceleration

S. J. Yoon, J. P. Palastro, and H. M. Milchberg

Physical Review Letters 112, 134803 (2014). [ PDF (889 KB) ]

 

Quantum Control of Molecular Gas Hydrodynamics

S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg

Physical Review Letters 112, 143601 (2014). [ PDF (866 KB) ]

 

Direct Measurement of the Acoustic Waves Generated by Femtosecond Filaments in Air (with Supplementary Material)

J. K. Wahlstrand, N. Jhajj, E. W. Rosenthal, S. Zahedpour, and H.M. Milchberg

Optics Letters 39, 1290 (2014). [ PDF (489 KB) ]

Supplementary Material:

  Octuple Filament Experimental [ AVI (743 KB) ]

  Ring Filament Simulation [ AVI (1181 KB) ]

 

  Quadruple Filament Experimental [ AVI (629 KB) ]

  Quadruple Filament Simulation [ AVI (1218 KB) ]

 

  Double Filament Experimental [ AVI (670 KB) ]

  Double Filament Simulation [ AVI (1186 KB) ]

 

  Single Filament Experimental [ AVI (953 KB) ]

  Single Filament Simulation [ AVI (1293 KB) ]

 

Demonstration of long-lived high power optical waveguides in air (with Supplementary Material)

N. Jhajj, E. W. Rosenthal, R. Birnbaum, J.K. Wahlstrand, and H.M. Milchberg

Phys. Rev. X 4, 011027 (2014)  [ PDF (2614 KB) ]

Supplementary Material:

  Quadruple Filament Evolution [ MOV (706 KB) ]

  Filament Guiding Image Plane [ WMV (792 KB) ]

 

Optical beam dynamics in a gas repetitively heated by femtosecond filaments

N. Jhajj, Y.-H. Cheng, J. K. Wahlstrand, and H. M. Milchberg

Optics Express 21, 28980-28986 (2013). [ PDF (926 KB) ]

 

Shock formation in supersonic cluster jets and its effect on axially modulated laser-produced plasma waveguides

S. J. Yoon, A. J. Goers, G. A. Hine, J. D. Magill, J. A. Elle, Y.-H. Chen, and H. M. Milchberg

Optics Express 21, 15878-15887 (2013). [ PDF (3033 KB) ]

 

Effect of two-beam coupling in strong-field optical pump-probe experiments

J. K. Wahlstrand, J. H. Odhner, E. T. McCole, Y.-H. Cheng, J. P. Palastro, R. J. Levis, and H. M. Milchberg

Phys. Rev. A 87, 053801 (2013). [ PDF (1060 KB) ]

 

The effect of long timescale gas dynamics on femtosecond filamentation

Y.-H. Cheng, J. K. Wahlstrand, N. Jhajj, and H. M. Milchberg

Optics Express 21, 4740-4751 (2013). [ PDF (2742 KB) ]

 

Compression, spectral broadening, and collimation in multiple, femtosecond pulse filamentation in atmosphere

J. P. Palastro, T.M. Antonsen, Jr., and H. M. Milchberg

Physical Review A 86, 033834 (2012). [ PDF (993 KB) ]

 

High Field Optical Nonlinearity and the Kramers-Kronig Relations

J. K. Wahlstrand, Y.-H. Cheng, and H. M. Milchberg

Physical Review Letters 109, 113904 (2012). [ PDF (611 KB) ]

 

Molecular quantum wake-induced pulse shaping and extension of femtosecond air filaments

S. Varma, Y.-H Chen, J. P. Palastro, A. B. Fallahkair, E. W. Rosenthal, T. Antonsen, and H. M. Milchberg

Physical Review A 86, 023850 (2012). [ PDF (1.02 MB) ]

 

Quasi-phase-matched acceleration of electrons in a corrugated plasma channel

S. J. Yoon, J. P. Palastro, D. Gordon, T. M. Antonsen, and H. M. Milchberg

Physical Review Special Topics -- Accelerators and Beams 15, 081305 (2012). [ PDF (2.41 MB) ]

 

Simulations of femtosecond atmospheric filaments enhanced by dual pulse molecular alignment

J. P. Palastro, T. M. Antonsen, Jr., S. Varma, Y.-H. Chen, and H. M. Milchberg

Physical Review A 85, 043843 (2012) [ PDF (898 KB) ]

 

Absolute measurement of the transient optical nonlinearity in N2, O2, N20, and Ar

J. K. Wahlstrand, Y.-H. Cheng, and H. M. Milchberg

Physical Review A 85, 043820 (2012). [ PDF (369 KB) ]

 

Effect of a plasma grating on pump-probe experiments near the ionization threshold in gasses

J. K. Wahlstrand and H. M. Milchberg

Optics Letters 36, 3822 (2011). [ PDF (128 KB) ]

 

Optical Nonlinearity in Ar and N2 near the Ionization Threshold

J.K. Wahlstrand, Y.-H. Cheng, Y.-H Chen, and H. M. Milchberg

Physical Review Letters 107, 103901 (2011) [ PDF (647 KB) ]

 

Direct Measurement of the Electron Density of Extended Femtosecond Laser Pulse-Induced Filaments

Y.-H. Chen, S. Varma, T.M. Antonsen, and H. M. Milchberg

Physical Review Letters 105, 215005 (2010). [ PDF (867 KB) ]

 

Direct measurements of the nonlinear index of refraction of water at 815 and 407 nm using single-shot supercontinuum spectral interferometry

Z.W. Wilkes, S. Varma, Y.-H. Chen, H.M. Milchberg, T.G. Jones, and A. Ting

Applied Physics Letters 94, 211102 (2009). [ PDF (595 KB) ]

 

Periodic index-modulated plasma waveguide

B.D. Layer, A.G. York, S. Varma, Y.-H. Chen, and H.M. Milchberg

Optics Express 17, 4263 (2009). [ PDF (244 KB) ]

 

Quantum molecular lensing of femtosecond laser optical/plasma filaments

S. Varma, Y.-H. Chen, and H. M. Milchberg

Physics of Plasmas 16, 056702 (2009). [ PDF (744 KB) ]

 

Trapping and Destruction of Long-Range High-Intensity Optical Filaments by Molecular Quantum Wakes in Air

S. Varma, Y.-H. Chen, and H. M. Milchberg

Physical Review Letters 101, 205001 (2008). [ PDF (1.95 MB) ]

 

Broadband terahertz lasing in aligned molecules

Andrew G. York and H. M. Milchberg

Optics Express 16, 10559 (2008). [ PDF (141 KB) ]

 

Ultrahigh-intensity optical slow-wave structure for direct laser electron acceleration

Andrew G. York, B. D. Layer, J. P. Palastro, T. M. Antonsen, and H. M. Milchberg

Journal of the Optical Society of America B 25, B137 (2008). [ PDF (1.55 MB) ]

 

Space- and time- resolved measurement of rotational wave packet revivals of linear gas molecules using single-shot supercontinuum spectral interferometry

Y.-H. Chen, S. Varma, and H. M. Milchberg

Journal of the Optical Society of America B 25, B122 (2008). [ PDF (955 KB) ]

 

Direct Acceleration of Electrons in a Corrugated Plasma Waveguide

A. G. York, H. M. Milchberg, J. P. Palastro, and T. M. Antonsen

Physical Review Letters 100, 195001 (2008). [ PDF (876 KB) ]

 

 

 

 

Laboratory for Intense Maser Latter Interactions

Institute for Research in Electronics and Applied Physics

Energy Research Facility, Bldg. #223

University of Maryland

 

 

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