Search Results - "Chin, S.L."

The mechanism of nitrogen fluorescence inside a femtosecond laser filament in air by Xu, H.L., Azarm, A., Bernhardt, J., Kamali, Y., Chin, S.L.

“…The visible and near-UV fluorescence spectroscopy of air generated inside a femtosecond laser plasma filament was studied. The primary reactions,…”
Get full text

The critical laser intensity of self-guided light filaments in air by Kasparian, J., Sauerbrey, R., Chin, S.L.

“…The critical intensity inside plasma filaments generated in air by high-power, ultra-short laser pulses is estimated analytically and compared to recent…”
Get full text

Lasing action in air induced by ultra-fast laser filamentation by LUO, Q, LIU, W, CHIN, S. L

“…The backscattered fluorescence of nitrogen from filaments generated by intense ultra-fast Ti:sapphire laser pulses propagating in air is studied. The…”
Get full text

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…”
Get full text

P224 ChromID™ CARBA compared with meropenem impregnated MacConkey for isolation of carbapenem-resistant Escherichia coli by Koh, T.H, Chin, S.L, Ong, K.X, Khoo, Y.J

Get full text

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…”
Get full text

Intensity clamping and re-focusing of intense femtosecond laser pulses in nitrogen molecular gas by BECKER, A, AKÖZBEK, N, VIJAYALAKSHMI, K, ORAL, E, BOWDEN, C. M, CHIN, S. L

“…We present results of measurements of fluorescence spectra due to the interaction of a Ti:sapphire laser pulse with N2 molecules at different gas pressures and…”
Get full text

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

Get full text

Visualization of the evolution of multiple filaments in methanol by Schroeder, H, Chin, S.L

“…The full propagation dynamics of a powerful ∼50 fs Ti-sapphire laser pulse is visualized for the first time in a dilute solution of Rhodamine B dissolved in…”
Get full text

Rationale and design of INTERSTROKE: a global case-control study of risk factors for stroke by O'Donnell, M, Xavier, D, Diener, C, Sacco, R, Lisheng, L, Zhang, H, Pias, P, Truelsen, T, Chin, S L, Rangarajan, S, Devilliers, L, Damasceno, A, Mondo, C, Lanas, F, Avezum, A, Diaz, R, Varigos, J, Hankey, G, Teal, P, Kapral, M, Ryglewicz, D, Czlonkowska, A, Skowronska, M, Lopez-Jaramillo, P, Dans, T, Langhorne, P, Yusuf, S

“…Stroke is a major global health problem. It is the third leading cause of death and the leading cause of adult disability. INTERHEART, a global case-control…”
Get more information

White-light continuum generation and filamentation during the propagation of ultra-short laser pulses in air by Aközbek, N., Scalora, M., Bowden, C.M., Chin, S.L.

“…We present numerical results on the propagation of femtosecond pulses in air including multiphoton ionization, group-velocity dispersion, space–time focusing,…”
Get full text

Spectroscopic analysis of femtosecond laser plasma filament in air by Bernhardt, J., Liu, W., Théberge, F., Xu, H.L., Daigle, J.F., Châteauneuf, M., Dubois, J., Chin, S.L.

“…We report a spectroscopic analysis of a filament generated by a femtosecond laser pulse in air. In the filament spectra, the characteristic Stark broadened…”
Get full text

Ultrabroadband continuum generated in air (down to 230 nm) using ultrashort and intense laser pulses by THEBERGE, F, LIU, W, LUO, Q, CHIN, S. L

“…We present results on supercontinuum generation extended up to 230 nm in air during the propagation of a powerful femtosecond laser pulse. The broad…”
Get full text

Multiple refocusing of a femtosecond laser pulse in a dispersive liquid (methanol) by Liu, W, Chin, S.L, Kosareva, O, Golubtsov, I.S, Kandidov, V.P

“…In this work multiple refocusing of femtosecond pulse in liquid (methanol) is studied both experimentally and numerically. We focused a 38 fs laser pulse,…”
Get full text

Controlling a bunch of multiple filaments by means of a beam diameter by Kosareva, O.G., Panov, N.A., Akozbek, N., Kandidov, V.P., Luo, Q., Hosseini, S.A., Liu, W., Gravel, J.-F., Roy, G., Chin, S.L.

“…We demonstrate a three orders of magnitude increase and stability in the backscattered fluorescence signal from nitrogen molecules by terawatt femtosecond…”
Get full text

Continuum generation of the third-harmonic pulse generated by an intense femtosecond IR laser pulse in air by Aközbek, N., Becker, A., Scalora, M., Chin, S.L., Bowden, C.M.

“…The continuum generation by intense femtosecond IR laser pulses focused in air including the effect of third-harmonic generation is investigated. We have used…”
Get full text

Highly multiphoton molecular excitation by an intense laser pulse by Teranishi, Y., Hayashi, M., Kong, F., Chin, S.L., Chao, S.D., Mineo, H., Lin, S.H.

“…Multiphoton excitation of molecules by an intense laser field is treated. When the first excitation energy is much larger than both the photon energy and the…”
Get full text

Multiphoton ionization of inner-valence electrons and fragmentation of ethylene in an intense Ti:sapphire laser pulse by Talebpour, A, Bandrauk, A.D, Yang, J, Chin, S.L

“…Using linearly polarized 200 fs Ti:sapphire laser pulses the multiphoton ionization and fragmentation of ethylene was studied. A model is proposed which is…”
Get full text

Fast pulsed electric field created from the self-generated filament of a femtosecond Ti:Sapphire laser pulse in air by Proulx, A, Talebpour, A, Petit, S, Chin, S.L

“…We present an experiment demonstrating the generation of fast pulsed electric field from a plasma column created in air as a result of the interaction of N 2…”
Get full text

Random deflection of the white light beam during self-focusing and filamentation of a femtosecond laser pulse in water by LIU, W, KOSAREVA, O, GOLUBTSOV, I. S, IWASAKI, A, BECKER, A, KANDIDOV, V. P, CHIN, S. L

“…Ti:sapphire femtosecond laser pulse filamentation in competition with optical breakdown in condensed matter is studied both experimentally and numerically…”
Get full text