Physical Ultrasonics Research and Engineering Group

Department of Physics

National Center for Physical Acoustics

ultrasonic beam pattern

Individual Members

  • Dr. Mobley
  • Dr. Labuda
  • Dr. Church

    • Our Group's Publications

  • C. Labuda, C. M. Tierney, E. Dayavansha, J. Gladden. Direct visualization of shear waves in viscoelastic fluid using microspheres. J Acoust Soc Am, 137(6),EL456-EL461 (2015).
  • C. C. Church, C. Labuda, K. Nightingale. A Theoretical Study of Inertial Cavitation from Acoustic Radiation Force Impulse Imaging and Implications for the Mechanical Index. Ultrasound Med Biol, 41(2),472-485 (2015).
  • C. Labuda, I. Labuda. On the mathematics underlying dispersion relations. European Physical Journal H, 39(5), 575-589 (2014).
  • M. W. Miller, C. C. Church. Arrhenius thermodynamics and birth defects: Chemical teratogen synergy. Untested, testable, and projected relevance. Birth Defects Research Part C, 99(1), 50-60 (2013).
  • C. C. Church, C. Labuda, K. Nightingale. Should the mechanical index be revised for ARFI imaging? Proceedings of the 2012 IEEE Ultrasonics Symposium, 17-20 (Art.No.6562294), (2012).
  • K. B. Bader, J. Mobley, C. C. Church, D. F. Gaitan, The effect of static pressure on the strength of inertial cavitation events, Journal of the Acoustical Society of America, Vol. 132, No. 4, pp.2286-2291 (2012).
  • K. B. Bader, J. L. Raymond, J. Mobley, C. C. Church, D. F. Gaitan, The effect of static pressure on the inertial cavitation threshold, Journal of the Acoustical Society of America, Vol. 132, No. 2, pp.728-737 (2012).
  • J. R. Gladden, A. M. Gamble, C. E. Skelton, and J. Mobley, Shear waves in viscoelastic wormlike micellar fluids over a broad concentration range, Journal of the Acoustical Society of America, Vol. 131, No. 3, pp.2063-2067 (2012).
  • C. P. Labuda, C. C. Church, Augmentation of HIFU-induced heating with fibers embedded in a phantom, Ultrasound in Medicine and Biology, Vol. 37, No. 3, pp.442-449 (2011).
  • T. A. Bigelow, C. C. Church, K. Sandstrom, et al. The thermal index its strengths, weaknesses, and proposed improvements, Journal of Ultrasound in Medicine, 30(5), 714-34 (2011).
  • J. B. Lonzaga, J. L. Raymond, J. Mobley, and D. F. Gaitan, Suppression of an acoustic mode by an elastic mode of a liquid-filled spherical shell resonator, Journal of the Acoustical Society of America Vol. 129, No. 2, pp. 597-603 (2011).
  • J. Mobley, Simplified expressions of the subtracted Kramers–Kronig relations using the expanded forms applied to ultrasonic power-law systems, Journal of the Acoustical Society of America, Vol. 127, No. 1, pp. 166-173 (2010).
  • J. R. Gladden, C. E. Skelton, and J. Mobley, Shear waves in viscoelastic wormlike micellar fluids, Journal of the Acoustical Society of America Express Letters, Vol. 128, No. 5, pp.EL268-EL273 (2010).
  • D. F. Gaitan, R. A. Tessien, R. A. Hiller, J. Gutierrez, C. Scott, H. Tardif, B. Callahan, T. J. Matula, L. A. Crum, R. G. Holt, C. C. Church, J. L. Raymond, Transient cavitation in high-quality-factor resonators at high static pressures, Journal of the Acoustical Society of America, Vol. 127, No. 6, pp.3456-65 (2010).
  • J. Mobley, R. A. Mack, J. R. Gladden, P. R. Mantena, Determination of power-law attenuation coefficient and dispersion spectra in multi-wall carbon nanotube composites using Kramers-Kronig relations, Journal of the Acoustical Society of America, Vol. 126, No. 1, pp. 92-97 (2009). Also selected for inclusion in Virtual Journal of Nanoscale Science & Technology, Volume 20, No. 4 (2009). (American Institute of Physics)
  • T. R. Nelson, J. B. Fowlkes, J. S. Abramowicz, C. C. Church. Ultrasound biosafety considerations for the practicing sonographer and sinologist, Journal of Ultrasound in Medicine, 28(2):139-50 (2009).
  • C. C. Church, E. L. Carstensen, W. L. Nyborg, P. L. Carson, L. A. Frizzell, M. R. Bailey, The risk of exposure to diagnostic ultrasound in postnatal subjects: Nonthermal mechanisms, Journal of Ultrasound in Medicine, 27(4):565-92 (2008).
  • J. B. Fowlkes, J. S. Abramowicz, C. C. Church, C. K. Holland, D. L. Miller, W. D. O'Brien Jr., et al., American institute of ultrasound in medicine consensus report on potential bioeffects of diagnostic ultrasound: Executive summary, Journal of Ultrasound in Medicine, 27(4):503-15 (2008).
  • C. Labuda, C.C. Church. Enhanced High Intensity Focused Ultrasound Lesion Formation using Embedded Fibers. J Acoust Soc Am, 122(5): 2007.
  • J. Mobley and R. E. Heithaus, Ultrasonic properties of a suspension of microspheres supporting negative group velocities, Physical Review Letters, Vol. 99, article no. 124301 (2007).
  • J. Mobley, The time-domain signature of negative acoustic group velocity in microsphere suspensions, Journal of the Acoustical Society of America, Vol. 122, No. 1, pp.EL8-EL14 (2007).
  • J. Mobley, Finite-bandwidth Kramers-Kronig relations for acoustic group velocity and attenuation derivative applied to encapsulated microbubble suspensions, Journal of the Acoustical Society of America, Vol. 121, No. 4, pp.1916-1923 (2007).
  • C. C. Church. A proposal to clarify the relationship between the thermal index and the corresponding risk to the patient, Ultrasound in Medicine and Biology, 33(9):1489-94 (2007).
  • C. C. Church, M. W. Miller, Quantification of risk from fetal exposure to diagnostic ultrasound, Progress in Biophysics and Molecular Biology, 93(1-3):331-53 (2007).
  • C. C. Church, W. D. O'Brien Jr., Evaluation of the threshold for lung hemorrhage by diagnostic ultrasound and a proposed new safety index, Ultrasound in Medicine and Biology, 33(5):810-8 (2007).
  • X. Yang, C. C. Church, A simple viscoelastic model for soft tissues in the frequency range 6-20 MHz, IEEE Transactions of Ultrasonics, Ferroelectrics, and Frequency Control, 53(8):1404-11 (2006).
  • M. W. Miller, C. C. Church, C. P. Labuda, S. Mazza, J. L. Raymond, Biological and environmental factors affecting ultrasound-induced hemolysis in vitro: 5. Temperature, Ultrasound in Medicine and Biology, 32(6):893-904 (2006).
  • X. Yang, C. C. Church, A model for the dynamics of gas bubbles in soft tissue, Journal of the Acoustical Society of America, 118(6):3595-606 (2005).
  • X. Yang, C. C. Church, Nonlinear dynamics of gas bubbles in viscoelastic media, Acoustic Research Letters Online, 6(3):151-6 (2005).
  • C. C. Church, Frequency, pulse length, and the mechanical index, Acoustic Research Letters Online, 6(3):162-8 (2005).
  • M. W. Miller, H. E. Miller, C. C. Church, A new perspective on hyperthermia-induced birth defects: The role of activation energy and its relation to obstetric ultrasound, Journal of Thermal Biology, 30(5):400-9 (2005).
  • C. Labuda, J. Raymond, C. C. Church. Reciprocity Calibration of Hydrophones in the Megahertz Frequency Range. Proceedings of the 2004 IEEE Ultrasonics Symposium, 3:1595-1598, August 2004.
  • C. C. Church, A theoretical study of acoustic cavitation produced by "positive-only" and "negative-only" pressure waves in relation to in vivo studies, Ultrasound in Medicine and Biology, 29(2):319-30 (2003).
  • C. C. Church, Spontaneous homogeneous nucleation, inertial cavitation and the safety of diagnostic ultrasound, Ultrasound in Medicine and Biology, 28(10):1349-64 (2002).
  • C. C. Church, E. L. Carstensen, "Stable" inertial cavitation, Ultrasound in Medicine and Biology. 2001;27(10):1435-7.

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