Search Results - "Rosenthal, E. W."

Spatiotemporal Optical Vortices by Jhajj, N., Larkin, I., Rosenthal, E. W., Zahedpour, S., Wahlstrand, J. K., Milchberg, H. M.

“…We present the first experimental evidence, supported by theory and simulation, of spatiotemporal optical vortices (STOVs). A STOV is an optical vortex with…”
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Demonstration of Long-Lived High-Power Optical Waveguides in Air by Jhajj, N., Rosenthal, E. W., Birnbaum, R., Wahlstrand, J. K., Milchberg, H. M.

“…We demonstrate that femtosecond filaments can set up an extended and robust thermal waveguide structure in air with a lifetime of several milliseconds, making…”
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Optical Guiding in 50-Meter-Scale Air Waveguides by Goffin, A., Larkin, I., Tartaro, A., Schweinsberg, A., Valenzuela, A., Rosenthal, E. W., Milchberg, H. M.

“…The distant projection of high-peak and average-power laser beams in the atmosphere is a long-standing goal with a wide range of applications. Our early…”
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Intense terahertz generation in two-color laser filamentation: energy scaling with terawatt laser systems by Oh, T I, You, Y S, Jhajj, N, Rosenthal, E W, Milchberg, H M, Kim, K Y

“…We investigate high-power terahertz (THz) generation in two-color laser filamentation using terawatt (TW) lasers including a 0.5 TW, 1 kHz system, as well as 2…”
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Generation of scalable terahertz radiation from cylindrically focused two-color laser pulses in air by Kuk, D., Yoo, Y. J., Rosenthal, E. W., Jhajj, N., Milchberg, H. M., Kim, K. Y.

“…We demonstrate scalable terahertz (THz) generation by focusing terawatt, two-color laser pulses in air with a cylindrical lens. This focusing geometry creates…”
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Modeling the propagation of a high-average-power train of ultrashort laser pulses by Isaacs, J., Hafizi, B., Johnson, L. A., Rosenthal, E. W., Mrini, L., Peñano, J.

“…We investigate the interpulse thermal interaction of a train of ultrashort laser pulses and develop a model to describe the isobaric heating of air by a train…”
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Dynamics of the femtosecond laser-triggered spark gap by Rosenthal, E. W., Larkin, I., Goffin, A., Produit, T., Schroeder, M. C., Wolf, J.-P., Milchberg, H. M.

“…We present space and time resolved measurements of the air hydrodynamics induced by femtosecond laser pulse excitation of the air gap between two electrodes at…”
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Erratum: “Generation of scalable terahertz radiation from cylindrically focused two-color laser pulses in air” [Appl. Phys. Lett. 108, 121106 (2016)] by Kuk, D., Yoo, Y. J., Rosenthal, E. W., Jhajj, N., Milchberg, H. M., Kim, K. Y.

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Collection of remote optical signals by air waveguides by Rosenthal, E. W., Jhajj, N., Wahlstrand, J. K., Milchberg, H. M.

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Publisher’s Note: Spatiotemporal Optical Vortices [Phys. Rev. X 6 , 031037 (2016)] by Jhajj, N., Larkin, I., Rosenthal, E. W., Zahedpour, S., Wahlstrand, J. K., Milchberg, H. M.

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Air hydrodynamics of the ultrafast laser-triggered spark gap by Rosenthal, E. W, Larkin, I, Goffin, A, Produit, T, Schroeder, M. C, Wolf, J. -P, Milchberg, H. M

“…We present space and time resolved measurements of the air hydrodynamics induced by ultrafast laser pulse excitation of the air gap between two electrodes at…”
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Scaling and saturation of high-power terahertz radiation generation in two-color laser filamentation by Oh, T. I., You, Y. S., Jhajj, N., Rosenthal, E. W., Milchberg, H. M., Kim, K. Y.

“…Broadband terahertz generation via two-color femtosecond laser filamentation is studied with laser input energies up to 60 mJ. In the small f-number focusing…”
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Generation of scalable terahertz radiation from cylindrically focused two-color laser pulses in air by Kuk, D., Yoo, Y. J., Rosenthal, E. W., Jhajj, N., Milchberg, H. M., Kim, K. Y.

“…We demonstrate scalable terahertz (THz) generation by focusing terawatt, two-color laser pulses in air with a cylindrical lens. This focusing geometry creates…”
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Spatio-temporal optical vortices by Jhajj, N, Larkin, I, Rosenthal, E. W, Zahedpour, S, Wahlstrand, J. K, Milchberg, H. M

“…Phys. Rev. X 6, 031037 (2016) We present the first experimental evidence, supported by theory and simulation, of spatiotemporal optical vortices (STOVs)…”
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Sensitivity of propagation and energy deposition in femtosecond filamentation to the nonlinear refractive index by Rosenthal, E. W, Palastro, J. P, Jhajj, N, Zahedpour, S, Wahlstrand, J. K, Milchberg, H. M

“…The axial dependence of femtosecond filamentation in air is measured under conditions of varying laser pulsewidth, energy, and focusing f-number. Filaments are…”
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Direct measurement of the acoustic waves generated by femtosecond filaments in air by Wahlstrand, J. K, Jhajj, N, Rosenthal, E. W, Zahedpour, S, Milchberg, H. M

“…We present direct measurements of the gas acoustic dynamics following interaction of spatial single- and multi-mode 50 fs, 800 nm pulses in air at 10 Hz and 1…”
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Enhanced spectral broadening and beam collimation from pulse-sequence induced filamentation by Rosenthal, E. W., Jhajj, N., Birnbaum, R., Milchberg, H. M.

“…Filaments in air, induced by pulse trains of four ultrashort pulses, each separated by the rotational revival time of nitrogen exhibit an increased degree of…”
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Demonstration of long-lived high power optical waveguides in air by Jhajj, N., Rosentha, E. W., Birnbaum, R., Wahlstrand, J. K., Milchberg, H. M.

“…We show that femtosecond filament arrays can generate robust, very long-lived optical waveguides in air. These guides have millisecond lifetime and should be…”
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Collection of remote optical signals by air waveguides by Rosenthal, E. W., Jhajj, N., Wahlstrand, J. K., Milchberg, H. M.

“…We demonstrate that long-lived air waveguides can efficiently collect remote, isotropically emitted optical signals. Signal-to-noise enhancements of ~10 4 are…”
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Direct interferometric measurements of the acoustic waves from femtosecond filaments by Wahlstrand, J. K., Jhajj, N., Rosenthal, E. W., Zahedpour, S., Milchberg, H. M.

“…Interferometric measurements of submicrosecond gas density dynamics following passage of an intense ultrashort pulse are presented for single- and multi-lobed…”
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