Imaging femtosecond laser-induced electronic excitation in glass

Mao, Xianglei; Mao, Samuel S.; Russo, Richard E.
February 2003
Applied Physics Letters;2/3/2003, Vol. 82 Issue 5, p697
Academic Journal
While substantial progress has been achieved in understanding laser ablation on the nanosecond and picosecond time scales, it remains a considerable challenge to elucidate the underlying mechanisms during femtosecond laser material interactions. We present experimental observations of electronic excitation inside a wide band gap glass during single femtosecond laser pulse (100 fs, 800 nm) irradiation. Using a femtosecond time-resolved imaging technique, we measured the evolution of a laser-induced electronic plasma inside the glass and calculated the electron number density to be on the order of 10[sup 19] cm[sup -3].


Related Articles

  • Possible regimes of molecular excitation in a hypothetical laser-chemical reactor based on an infrared free-electron laser. Baryshnikov, F. F. // Technical Physics;Apr97, Vol. 42 Issue 4, p374 

    Different modes of operation of a hypothetical infrared free-electron laser-chemical reactor are discussed. Simple relationships are obtained for estimating the parameters of the reactor and the radiation intensity necessary for the excitation of molecules in each particular case. � 1997...

  • Laser excitation of acoustic resonances in a spherical resonator. Karbach, A.; Hess, P. // Journal of Applied Physics;11/15/1985, Vol. 58 Issue 10, p3851 

    Presents information on a study which examined the laser excitation of nonradial and radial acoustic modes via transformation of absorbed optical into acoustical energy. Characteristics of optical excitation of acoustic modes with a spatially laser beam; Experimental details; Results and...

  • Theoretical investigation of the traveling wave excitation in a TE N2 laser. Chang, S. H.; Teii, S. // Journal of Applied Physics;3/1/1985, Vol. 57 Issue 5, p1478 

    Focuses on the theoretical investigation of traveling wave excitation using the property of photon addition in a TE N[sub2] laser tube. Calculation of the laser power outputs under traveling wave excitation; Maximum discrepancy in the absolute values between theory and experiment; Saturation of...

  • Conditions for XUV amplification considering recombination in clusters. Brunner, W.; Ritze, H.-H. // Applied Physics B: Lasers & Optics;1998, Vol. 67 Issue 1, p47 

    Abstract. We analyze the possibility of inversion generation and XUV amplification in a recombining scheme by various charged ions inside homogeneous clusters and discuss the conditions necessary for an efficient inversion generation in relation to the cluster density, the pulse duration and...

  • Electron-beam excitation of a Ce[sup 3+] :LiCaAlF[sub 6] crystal for future high-peak-power UV lasers. Kozeki, T.; Suzuki, Y.; Sakai, M.; Ohtake, H.; Sarukura, N.; Shimamura, K.; Fukuda, T.; Nakajyo, T.; Sakai, F.; Aoki, Y. // Applied Physics B: Lasers & Optics;2002 Supplement, Vol. 74 Issue 9, ps185 

    In this experiment, we performed ultrafast spectroscopy on an electron-beam-excited Ce[sup 3+] :LiCaAlF[sub 6] (Ce:LiCAF) crystal. The time-resolved fluorescence spectrum and lifetime with e-beam pumping differ significantly from those in the optically pumped case. These results suggest a new...

  • Blue continuously pumped upconversion lasing in Tm:YLiF[sub 4]. Herbert, T.; Wannemacher, R.; Macfarlane, R.M.; Lenth, W. // Applied Physics Letters;5/25/1992, Vol. 60 Issue 21, p2592 

    Demonstrates the blue upconversion laser action in Tm:YLF on two different transitions. Fabrication of the crystal; Combination of the dyer laser and Ti:sapphire laser beams; Observation of a blue laser emission; Illustration of the upconversion excitation of G[sub 4]; Estimation of the...

  • Optical Properties of Excimers in the Field of Intense Laser Radiation. Sinyavski&ĭ, &É. P.; Rusanov, A. M.; Yaltychenko, O. V. // Optics & Spectroscopy;Oct2005, Vol. 99 Issue 4, p567 

    The specific features of the luminescence of excimer molecules are analyzed within the model of a purely repulsive potential for the ground state in the field of intense laser radiation with due regard for the squeezed vibrational states. It is demonstrated that the luminescence band with the...

  • Shock-Wave Generation upon Axicon Focusing of Femtosecond Laser Radiation in Transparent Dielectrics. Babin, A. A.; Kiselev, A. M.; Kulagin, D. I.; Pravdenko, K. I.; Stepanov, A. N. // JETP Letters;9/10/2004, Vol. 80 Issue 5, p298 

    It is shown experimentally that the axicon focusing of intense femtosecond laser pulses in transparent dielectrics leads to efficient excitation of shock waves. A method is developed for measuring the dynamics of shock waves, which uses a frequency-chirped probe pulse and has high spatial...

  • High-harmonic generation and plasma radiation from water microdroplets. Flettner, A.; Pfeifer, T.; Walter, D.; winterfeldt, C.; Spielmann, C.; Gerber, G. // Applied Physics B: Lasers & Optics;Dec2003, Vol. 77 Issue 8, p747 

    This work studied the emission of XUV radiation from water microdroplets under excitation with either a single or a pair of intense femtosecond laser pulses (Ti:Sa, 80 fs, ∼10[sup 14] W/cm[sup 2] , 800 nm, 1 kHz). When varying the delay between the two pulses a transition from pure...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics