Femtosecond spectroscopy of defect modes in silica glasses

Guillon, C.; Burgin, J.; Langot, P.; Vallée, F.; Hehlen, B.
February 2005
Applied Physics Letters;2/21/2005, Vol. 86 Issue 8, p081909
Academic Journal
The D1 and D2 defect modes are investigated in the time domain in normal and densified silica using a high sensitivity femtosecond pump-probe technique with 15 fs pulses. Their frequency and width are precisely determined even when they are partly masked by a broad background in spontaneous Raman spectroscopy. These results open up many possibility for investigation of local structures in glasses.


Related Articles

  • Surface enhanced Raman scattering silica substrate fast fabrication by femtosecond laser pulses. Yukun Han; Xinwei Lan; Tao Wei; Hai-Lung Tsai; Hai Xiao // Applied Physics A: Materials Science & Processing;Nov2009, Vol. 97 Issue 3, p721 

    We report the fabrication of surface enhanced Raman spectroscopy (SERS) fused silica glass substrates using fast femtosecond-laser (fs-laser) scan, followed by silver chemical plating. A cross-section enhancement factor (EF) of 2.5×106, evaluated by Rhodamine 6G (10−7 M solution), was...

  • Energy transition characterization of 1.18 and 1.3 μm bands of bismuth fiber by spectroscopy of the transient oscillations. Gumenyuk, Regina; Golant, Konstantin; Okhotnikov, Oleg. G. // Applied Physics Letters;5/9/2011, Vol. 98 Issue 19, p191108 

    The experimental evidence of laser transition type in bismuth-doped silica fibers operating at different spectral bands is presented. Spectrally resolved transient (relaxation) oscillations studied for a Bi-doped fiber laser at room and liquid-nitrogen temperatures allow to identify the three-...

  • Silica structural changes induced by thermal treatment or ionic implantation as probed by IR reflectance spectroscopy. Bibent, N.; Faivre, A.; Ferru, G.; Bantignies, J.-L.; Peuget, S. // Journal of Applied Physics;Sep2009, Vol. 106 Issue 6, p063512 

    Fourier transformed infrared microreflectance spectroscopy is used to probe and compare the consequences of thermal quenching or ionic implantation on the structure of silica. A linear change in the main structural feature associated with Si–O–Si vibration with fictive temperature...

  • Vibrational deactivation of surface OH chemisorbed on SiO2: Solvent effects. Heilweil, E. J.; Casassa, M. P.; Cavanagh, R. R.; Stephenson, J. C. // Journal of Chemical Physics;6/1/1985, Vol. 82 Issue 11, p5216 

    Picosecond infrared transmission spectroscopy was used to directly measure the vibrational energy relaxation time T1 of hydroxyl groups chemisorbed on the surface of colloidal silica (SiO2). T1 was obtained for OH(νstretch=1) in the strongly bound ‘‘isolated sites’’...

  • Raman spectroscopic investigation of irreversibly compacted vitreous silica. Walrafen, G. E.; Chu, Y. C.; Hokmabadi, M. S. // Journal of Chemical Physics;6/15/1990, Vol. 92 Issue 12, p6987 

    Polarized, depolarized, isotropic, difference, and reduced Raman spectra were obtained from vitreous silica, irreversibly compacted at 600 °C and 50 kbar, to ambient densities as high as 2.73 g cm-3. The 60 cm-1 ‘‘Boson’’ peak; and, the intense optic,...

  • Resonant coupling in the van der Waals interaction between an excited alkali atom and a dielectric surface: an experimental study via stepwise selective reflection spectroscopy. Failache, H.; Saltiel, S.; Fichet, M.; Bloch, D.; Ducloy, M. // European Physical Journal D -- Atoms, Molecules, Clusters & Opti;May2003, Vol. 23 Issue 2, p237 

    We present a detailed experimental study of the evaluation of the van der Waals (vW) atom-surface interaction for high-lying excited states of alkali-metal atoms (Cs and Rb), notably when they couple resonantly with a surface-polariton mode of the neighbouring dielectric surface. This report...

  • Opaline silica in young deposits on Mars. Milliken, R. E.; Swayze, G. A.; Arvidson, R. E.; Bishop, J. L.; Clark, R. N.; Ehlmann, B. L.; Green, R. O.; Grotzinger, J. P.; Morris, R. V.; Murchie, S. L.; Mustard, J. F.; Weitz, C. // Geology;Nov2008, Vol. 36 Issue 11, p847 

    High spatial and spectral resolution reflectance data acquired by the Mars Reconnaissance Orbiter Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) instrument reveal the presence of H2O- and SiOH-bearing phases on the Martian surface. The spectra are most consistent with opaline...

  • Limiting Temporal and Spectral Resolution in Spectroscopy and Microscopy of Coherent Raman Scattering with Chirped Ultrashort Laser Pulses. Zheltikov, A. M. // Journal of Experimental & Theoretical Physics;May2005, Vol. 100 Issue 5, p833 

    Chirped ultrashort light pulses offer new options for coherent nonlinear spectroscopy and microscopy. We show here that the temporal resolution of spectroscopy and microscopy based on coherent anti-Stokes Raman scattering (CARS) can be smoothly tuned within a broad range, with upper and lower...

  • Generation of narrow-bandwidth picosecond visible pulses from broadband femtosecond pulses for femtosecond stimulated Raman. Sangdeok Shim; Mathies, Richard A. // Applied Physics Letters;9/18/2006, Vol. 89 Issue 12, p121124 

    To perform time-resolved vibrational structural studies with femtosecond stimulated Raman spectroscopy, it is desirable to produce tunable transform-limited picosecond pulses in the visible from a femtosecond laser system. The authors demonstrate here the generation of ∼36 cm-1 bandwidth...


Read the Article


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

Try another library?
Sign out of this library

Other Topics