Search Results - "Daigle, J. F."

Remote THz generation from two-color filamentation: long distance dependence by Daigle, J-F, Théberge, F, Henriksson, M, Wang, T-J, Yuan, S, Châteauneuf, M, Dubois, J, Piché, M, Chin, S L

“…Remote terahertz (THz) generation from two-color filamentation is investigated as a function of the onset position of filaments. THz signals emitted by…”
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Formation and evolution of intense, post-filamentation, ionization-free low divergence beams by Daigle, J.-F., Kosareva, O., Panov, N., Wang, T.-J., Hosseini, S., Yuan, S., Roy, G., Chin, S.L.

“…The mechanisms related to the formation and propagation of post-filamentation intense light channels were rigorously investigated experimentally and…”
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Cooperative effect of ultraviolet and near-infrared beams in laser-induced condensation by Matthews, M., Henin, S., Pomel, F., Théberge, F., Lassonde, P., Daigle, J.-F., Kieffer, J.-C., Kasparian, J., Wolf, J.-P.

“…We demonstrate the cooperative effect of near infrared (NIR) and ultraviolet (UV) beams on laser-induced condensation. Launching a UV laser after a NIR pulse…”
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Filamentation “remote” sensing of chemical and biological agents/pollutants using only one femtosecond laser source by Chin, S. L., Xu, H. L., Luo, Q., Théberge, F., Liu, W., Daigle, J. F., Kamali, Y., Simard, P. T., Bernhardt, J., Hosseini, S. A., Sharifi, M., Méjean, G., Azarm, A., Marceau, C., Kosareva, O., Kandidov, V. P., Aközbek, N., Becker, A., Roy, G., Mathieu, P., Simard, J. R., Châteauneuf, M., Dubois, J.

“…All matters in the path of filaments induced by an intense femtosecond laser pulse propagating in air could be fragmented and result in the emission of…”
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Dynamics of laser-guided alternating current high voltage discharges by Daigle, J.-F., Théberge, F., Lassonde, P., Kieffer, J.-C., Fujii, T., Fortin, J., Châteauneuf, M., Dubois, J.

“…The dynamics of laser-guided alternating current high voltage discharges are characterized using a streak camera. Laser filaments were used to trigger and…”
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Remote sensing of pollutants using femtosecond laser pulse fluorescence spectroscopy by LUO, Q, XU, H. L, HOSSEINI, S. A, DAIGLE, J.-F, THEBERGE, F, SHARIFI, M, CHIN, S. L

“…The fluorescence spectrum of ethanol molecules induced by femtosecond laser pulses has been recorded as the fingerprint of the molecules. It was demonstrated…”
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Remote detection of similar biological materials using femtosecond filament-induced breakdown spectroscopy by XU, H. L, MEJEAN, G, CHIN, S. L, LIU, W, KAMALI, Y, DAIGLE, J.-F, AZARM, A, SIMARD, P. T, MATHIEU, P, ROY, G, SIMARD, J.-R

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Remote sensing with intense filaments enhanced by adaptive optics by Daigle, J.-F., Kamali, Y., Châteauneuf, M., Tremblay, G., Théberge, F., Dubois, J., Roy, G., Chin, S. L.

“…A method involving a closed loop adaptive optic system is investigated as a tool to significantly enhance the collected optical emissions, for remote sensing…”
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An efficient control of ultrashort laser filament location in air for the purpose of remote sensing by LIU, W, THEBERGE, F, DAIGLE, J.-F, SIMARD, P. T, SARIFI, S. M, KAMALI, Y, XU, H. L, CHIN, S. L

“…The unavoidable hot spots in a practical terawatt level laser pulse will self-focus in air at a short distance. The short distance cannot be changed…”
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Broadband and tunable mid-infrared laser source based on a transversal array of chirped filaments by Daigle, J.-F., Théberge, F., Roy, G., Châteauneuf, M., Dubois, J.

“…A scheme for the generation of broadband and tunable mid-infrared pulses based on two-color filamentation in air is presented. The mid-infrared pulses,…”
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Remote filament-induced fluorescence spectroscopy from thin clouds of smoke by Daigle, J.-F., Kamali, Y., Roy, G., Chin, S. L.

“…Remote filament-induced fluorescence spectroscopy is used to probe a cloud of smoke, produced from burning mosquito coils, located at a distance of 25 m from…”
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A simple method to significantly increase filaments’ length and ionization density by Daigle, J.-F., Kosareva, O., Panov, N., Bégin, M., Lessard, F., Marceau, C., Kamali, Y., Roy, G., Kandidov, V. P., Chin, S. L.

“…A simple method to produce longer filaments with higher ionization density in air by controlling the diameter of an aperture in the laser beam path is studied…”
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Long range trace detection in aqueous aerosol using remote filament-induced breakdown spectroscopy by DAIGLE, J.-F, MEJEAN, G, ROY, G, SIMARD, J.-R, CHIN, S. L, LIU, W, THEBERGE, F, XU, H. L, KAMALI, Y, BERNHARDT, J, AZARM, A, SUN, Q, MATHIEU, P

“…Remote filament induced breakdown spectroscopy (R-FIBS) is used for probing a cloud of microdroplets where table salt has been dissolved. These microdroplets…”
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Femtosecond laser-induced nonlinear spectroscopy for remote sensing of methane by XU, H. L, DAIGLE, J. F, LUO, Q, CHIN, S. L

“…Femtosecond laser-induced nonlinear molecular spectroscopy is applied for sensing atmospheric greenhouse gas methane (CH4). The high intensity inside the…”
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Generation of powerful filaments at a long distance using adaptive optics by Daigle, J.-F., Kamali, Yousef, Bernhardt, Jens, Liu, Weiwei, Marceau, Claude, Azarm, A., Chin, S.L.

“…Because of its extraordinary properties (intensity clamping, white light source, km long plasma channels), filamentation represents an ideal candidate for…”
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Lens tilting effect on filamentation and filament-induced fluorescence by Kamali, Y., Sun, Q., Daigle, J.-F., Azarm, A., Bernhardt, J., Chin, S.L.

“…In filament-induced fluorescence spectroscopy, we experimentally found that if the lens used for the creation and localization of filament is tilted, the…”
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Multi-constituents detection in contaminated aerosol clouds using remote-filament-induced breakdown spectroscopy by Daigle, J.-F., Mathieu, P., Roy, G., Simard, J.-R., Chin, S.L.

“…Remote-filament-induced breakdown spectroscopy (R-FIBS) was used for probing a cloud of aqueous aerosols containing a mixture of PbCl2, CuCl2, FeCl2 and NaCl…”
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Efficient non-gated remote filament-induced breakdown spectroscopy of metallic sample by Liu, W., Xu, H.L., Méjean, G., Kamali, Y., Daigle, J.-F., Azarm, A., Simard, P.T., Mathieu, P., Roy, G., Chin, S.L.

“…Remote filament-induced breakdown spectroscopy (R-FIBS) is a novel technique that could be applied at long distance up to a few kilometers. Our work…”
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Remote sensing of trace methane using mobile femtosecond laser system of T&T Lab by Kamali, Y., Daigle, J.-F., Théberge, F., Châteauneuf, M., Azarm, A., Chen, Y., Marceau, C., Lessard, S.C., Lessard, F., Roy, G., Dubois, J., Chin, S.L.

“…The mobile femtosecond laser facility T&T (terawatt & terahertz) of DRDC-Valcartier was used to detect trace methane gas remotely in an open field atmosphere…”
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Remote generation of high-energy terahertz pulses from two-color femtosecond laser filamentation in air by Wang, T.-J., Daigle, J.-F., Yuan, S., Théberge, F., Châteauneuf, M., Dubois, J., Roy, G., Zeng, H., Chin, S. L.

“…We experimentally investigated the dynamic behavior of remote terahertz (THz) generation from two-color femtosecond laser-induced filamentation in air. A…”
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