Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Jacob Grun"'
Publikováno v:
Shock and Vibration, Vol 10, Iss 3, Pp 147-157 (2003)
Underwater shocks and bubbles were generated using a high energy pulsed laser system. The advantages of this experimental approach are: (1) precisely controlled and measured experimental conditions; (2) improved diagnostics, including extensive imagi
Externí odkaz:
https://doaj.org/article/497f45ac48a840a1897303f2681a56d0
Publikováno v:
Applied Spectroscopy. 74:97-107
Swept-wavelength Raman signatures have been measured for isotopic variants of polyethylene, acetic acid, and potassium sulfates. The swept-wavelength measurements produce two-dimensional Raman signatures which enable identification techniques based o
Publikováno v:
Conference on Lasers and Electro-Optics.
Swept-wavelength Raman signatures have been measured for isotopic variants of polyethylene and acetic acid. Wavenumber shifts, peak amplitude variation, and wavelength dependent amplitudes have been identified as isotope identification mechanisms.
Autor:
Geoffrey A. Cranch, J.L. Weaver, S. Compton, O. R. Walton, W. H. Dunlop, Jacob Grun, K. B. Fournier, M. A. Groethe, J. K. Gran, Calvin Zulick
Publikováno v:
Journal of Applied Physics. 126:125901
A scaled experiment comprising a laser-driven explosion in a cavity is used to characterize the coupling of mechanical energy into the surrounding solid material. Experiments are performed using poly(methyl methacrylate) and dry Salem limestone as th
Autor:
Charles Manka, Jacob Grun, Jeffrey H. Bowles, Pratima Kunapareddy, Sergei Nikitin, Robert Lunsford, David Gillis
Publikováno v:
Journal of Raman Spectroscopy. 43:1472-1476
In complex environments, the ability to identify the constituent chemicals within a mixture is extremely important. By utilizing a Pearson correlation algorithm to compare sets of multi-wavelength resonance-Raman signatures, we demonstrate the automa
Publikováno v:
Journal of Raman Spectroscopy. 42:685-690
Raman and other spectroscopy systems operating in the deep ultraviolet (DUV) spectral region below 250 nm lack scattering standards. Such standards are particularly important for experiments that use multiwavelength excitation and/or when results are
Autor:
Sergei Nikitin, Zheng Wang, Nagapratima Kunapareddy, Robert Lunsford, David Gillis, Jacob Grun
Publikováno v:
Applied spectroscopy. 69(8)
We examine the use of multiwavelength ultraviolet (UV) resonance–Raman signatures to identify the effects of growth phase and growth medium on gram-positive and gram-negative bacteria. Escherichia coli(E. coli), Citrobacter koseri(C. koseri), Citro
Publikováno v:
Solid-State Electronics. 50:1035-1040
Athermal annealing in phosphorus, boron, and aluminum/boron implanted 4H-SiC is explored by launching mechanical shock waves, induced by exposure to a laser pulse. Annealing is observed in a 3.2 mm outer diameter donut-shaped area surrounding the las
Differences in the Raman signatures of fresh and environmentally aged explosives could allow a warfighter who has identified the presence of trace amounts of explosives to ascertain if the material detected is the remnant of a previous event that has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50a6f7e4ce0b9c82ec4e8a90c05d4b06
https://doi.org/10.21236/ada613249
https://doi.org/10.21236/ada613249
Publikováno v:
Applied Physics A. 81:601-605
High-resolution X-ray diffraction scans and electrical resistivity measurements were performed on Mg-implanted GaAs exposed to laser shock annealing on both the implanted and the unimplanted surfaces of the wafer. Measurements on the sample that was