[图书][B] Laser-based optical detection of explosives
Laser-Based Optical Detection of Explosives offers a comprehensive review of past, present,
and emerging laser-based methods for the detection of a variety of explosives. This book …
and emerging laser-based methods for the detection of a variety of explosives. This book …
Interaction of rotationally aligned and of oriented molecules in gas phase and at surfaces
Recent developments concerning the generation of molecular beams containing
oriented/aligned molecules will be reviewed and applications of such tools to the study of …
oriented/aligned molecules will be reviewed and applications of such tools to the study of …
The effect of long timescale gas dynamics on femtosecond filamentation
YH Cheng, JK Wahlstrand, N Jhajj, HM Milchberg - Optics express, 2013 - opg.optica.org
Femtosecond laser pulses filamenting in various gases are shown to generate long-lived
quasi-stationary cylindrical depressions or 'holes' in the gas density. For our experimental …
quasi-stationary cylindrical depressions or 'holes' in the gas density. For our experimental …
Measurement of the nonlinear refractive index of air constituents at mid-infrared wavelengths
S Zahedpour, JK Wahlstrand, HM Milchberg - Optics letters, 2015 - opg.optica.org
We measure the nonlinear refractive index coefficients in N_2, O_2, and Ar from visible
through mid-infrared wavelengths (λ= 0.4–2.4 μm). The wavelengths investigated …
through mid-infrared wavelengths (λ= 0.4–2.4 μm). The wavelengths investigated …
Direct Measurement of the Electron Density of Extended Femtosecond<? format?> Laser Pulse-Induced Filaments
Direct Measurement of the Electron Density of Extended Femtosecond Laser Pulse-Induced
Filaments Page 1 Direct Measurement of the Electron Density of Extended Femtosecond Laser …
Filaments Page 1 Direct Measurement of the Electron Density of Extended Femtosecond Laser …
Multioctave supercontinuum generation and frequency conversion based on rotational nonlinearity
The field of attosecond science was first enabled by nonlinear compression of intense laser
pulses to a duration below two optical cycles. Twenty years later, creating such short pulses …
pulses to a duration below two optical cycles. Twenty years later, creating such short pulses …
Multi-MeV electron acceleration by subterawatt laser pulses
We demonstrate laser-plasma acceleration of high charge electron beams to the∼ 10 MeV
scale using ultrashort laser pulses with as little energy as 10 mJ. This result is made …
scale using ultrashort laser pulses with as little energy as 10 mJ. This result is made …
Absolute measurement of the transient optical nonlinearity in N, O, NO, and Ar
JK Wahlstrand, YH Cheng, HM Milchberg - Physical Review A—Atomic …, 2012 - APS
The absolute time-dependent nonlinear response of O 2, N 2, N 2 O, and Ar to intense
nonionizing, ultrashort optical pump pulses is measured with single-shot spectral …
nonionizing, ultrashort optical pump pulses is measured with single-shot spectral …
Trapping and Destruction of Long-Range High-Intensity Optical Filaments<? format?> by Molecular Quantum Wakes in Air
We report the first observation of the strong effect of quantum rotational wave packets in
atmospheric air on the long-range filamentary propagation of intense femtosecond laser …
atmospheric air on the long-range filamentary propagation of intense femtosecond laser …
Optical Nonlinearity in Ar and near the Ionization Threshold
JK Wahlstrand, YH Cheng, YH Chen, HM Milchberg - Physical review letters, 2011 - APS
We directly measure the nonlinear optical response in argon and nitrogen in a thin gas
target to laser intensities near the ionization threshold. No instantaneous negative nonlinear …
target to laser intensities near the ionization threshold. No instantaneous negative nonlinear …