National Center for Physical Acoustics

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  • T. G. Muir, J. C. Lockwood, and D. T. Blackstock, “Directive Harmonic Generation on the Radiation Field of a Circular Piston”, J. Acoust. Soc. Am. 53, 1148-1153 (1973).
  • H. O. Berktay and T. G. Muir, “Arrays of Parametric Receiving Arrays”, J. Acoust. Soc. Am.53, 1377-1383 (1973).
  • T. G. Muir and L. Hampton, eds., “Nonlinear Acoustics and Its Role in the Sedimentary Geophysics of the Sea”, in Physics of Sound in Marine Sediments, Plenum Press, 241-291 (1974).
  • J. R. Clynch, T. G. Muir, and L. A. Thompson, “Thermoelectri Sound Generation in Water”, J. Acoust. Soc. Am. 55, 824-826 (1974).
  • J. A. Shooter, D. T. Blackstock, and T. G. Muir, “Acoustic Saturation of Spherical Waves in Water”, J. Acoust. Soc. Am. 55, 54-62 (1974).
  • T. G. Muir, L. L. Mellenbruch, and J. C. Lockwood, “Reflection of Finite-Amplitude Waves in a Parametric Array”, J. Acoust. Soc. Am. 62, 271-276 (1977).
  • K. Wang and T. G. Muir, ed, “Nonlinear Effects in Acoustic Imaging”, Acoustic Imaging9, Plenum Press, 93-109 (1979).
  • T. G. Muir, C. W. Horton, Sr., and L. A. Thompson, “The Penetration of Highly Directional Acoustic Beams into Sediments”, J. Sound Vib., 64, 539-551 (1979).
  • W. A. Kuperman, F. B. Jensen, T. G. Muir, eds., “A Low Frequency Parametric Research Tool for Ocean Acoustics”, in Bottom Interacting Ocean Acoustics, Plenum Press, 467-484 (1980).
  • T. G. Muir and B. J. Lucas, “The Field of a Focusing Source”, J. Acoust. Soc. Am. 72 (4), 1289-1296 (1982).
  • R. A. Dudnik, A. E. Ekimov, “Noncontact Measurement of  Vibrating Membrane and Plate Parameters,” Radiofizika, 26 (1), pp.110 – 113 (1983).
  • T. G. Muir and B. G. Lucas, “Field of a Finite-Amplitude Focusing Source”, J. Acoust. Soc. Am. 74 (S), 1522-1528 (1983).
  • T. G. Muir and B. G. Lucas, “Field of a Parametric Focusing Source”, J. Acoust. Soc. Am.73, 1966 (1983)
  • James M. SabatierHenry E. BassLee N. Bolen, Keith Attenborough, and V.V.S.S. Sastry, “The interaction of airborne sound with the porous ground: The theoretical formulation”, J. Acoust. Soc. Am., 79 (5), 1345-1352 (1986).
  • Keith Attenborough, James M. SabatierHenry E. Bass, and Lee N. Bolen, “The acoustic transfer function at the surface of a layered poroelastic soil”, J. Acoust. Soc. Am., 79 (5), 1353-1358 (1986).
  • James M. SabatierHenry E. BassLee N. Bolen, and Keith Attenborough, “Acoustically induced seismic waves”, J. Acoust. Soc. Am., 80 (4), 646-649 (1986).
  • James M. SabatierHenry E. Bass, and Glenn R. Elliott, “On the location of frequencies of maximum acoustic-to-seismic coupling”, J. Acoust. Soc. Am., 80 (4), 1200-1202 (1986).
  • V. M. Aranchuk and F. G. Drik, “Laser differential interferometer with hologram grating for mechanical vibration investigation,” Optiko-mechanicheskaya promyhlennost ( Soviet Journal of Optical Technology), 7, pp 35-37 (1986).
  • V. M. Aranchuk, “Angular vibration of an object in a laser interferometric vibrometer with narrow measuring beam,” Optiko-mechanicheskaya promyhlennost (Soviet Journal of Optical Technology), 12, pp 2-5 (1987).
  • T. G. Muir, S. Saito, and B. C. Kim, “Second Harmonic Component of a Nonlinearly Distorted Wave in a Focused Sound Field”, J. Acoust. Soc. Am. 82 (2), 621-628, (August 1987), also published in Japanese.
  • C. T. Tindle, T. G. Muir, and H. Hobaek, “Downslope Propagation of Normal Modes in a Shallow Water Wedge”, J. Acoust. Soc. Am. 81 (2) 275-286, (1987).
  • C. T. Tindle, T. G. Muir, and H. Hobaek, “Normal Mode Filtering for Downslope Propagation in a Shallow Water Wedge”, J. Acoust. Soc. Am. 81 (2) 287-294, (1987).
  • James M. Sabatier and Richard Raspet, “Investigation of possibility of damage from the acoustically coupled seismic waveform from blast and artillery”, J. Acoust. Soc. Am., 84 (4), 1478-1482 (1988).
  • V. M. Aranchuk and N. N. Zatsepin, “Doppler speckle-interferometer amplitude signal dependence on the relation between speckle size and receiving aperture,” Journal Technicheskoy Phyziki (Soviet Journal of Technical Physics), 58 (10), pp.2060-2062 (1988).
  • A. E. Ekimov, I. I. Kolodieva and P. I. Korotin, B. M. Salin, and V. A. Tyutin,                “Methods of  Evaluating and Monitoring the Effectiveness of Vibration Mounts on the Basis of the Reciprocity Principle,” Sov. Physics-Acoustics, 35 (1), pp.24-26 (1989).
  • K. B. S. Burke, R. J. Wetmiller, M. Lamontagne, M. J. Carr, and C. J. Hickey, “Microearthquake survey of the Miramichi, New Brunswick epicentral area from July 3rd to August 19th, 1985,” Canadian J. Earth Sci., 26, 2567-2577 (1989).
  • James M. Sabatier, Heather Hess, W. Patrick Arnott, Keith Attenborough, and Matthew Römkens, “In situ measurements of soil physical properties by acoustical techniques”, Soil Sci Am., 54 (3), 68-72 (1990).
  • W. Patrick Arnott and James M. Sabatier, “Laser-Doppler vibrometer measurements of acoustic to seismic coupling”, Appl. Acoust., 30 279-291 (1990).
  • Heui-Seol RohW. Patrick ArnottJames M. Sabatier, and Richard Raspet, “Measurement and calculation of acoustic propagation constants in arrays of small air-filled rectangular tubes”, J. Acoust. Soc. Am., 89 2617-2624 (1991).
  • W. P. ArnottJames M. Sabatier, and Richard Raspet, “Sound propagation in capillary tube-type porous media with small pores in the capillary walls”, J. Acoust. Soc. Am., 90 (6), 3299-3306 (1991).
  • Zheming Zhu, Xiufen Gong, and Zhiqu Lu, “The acoustic nonlinearity parameter B/A for immiscible liquid mixture”, ACTA, Acustica, 16 (3), pp 23-29 (1991) (in Chinese).
  • Zhiqu Lu, Xiufen Gong, and Zheming Zhu,  “The automated measurement and display of the acoustic nonlinearity parameter B/A for fluid media”, Applies Acoustics, 10 (3), p.3-10 (1991) (in Chinese).
  • C. J. Hickey, J. E. Eastwood, and T. J. T. Spanos, “Seismic wave propagation in oil sands,” AOSTRA J. of Res., 7, 67-81 (1991).
  • T. Muir, “Underwater Sound”, a 5000-word tutorial for the McGraw-Hill Encyclopedia of Science and Technology, 7th Edition, vol. 19, (1992).
  • P. A.Vislousov, B. I. Vol’fson, A. Yu. Drozdov, A. E. Ekimov, O. N. Popov, and A. Yu. Tsionskii, “Comparison of the Results of Theoretical and Experimental Investigations of the Radiating Capacity of a Finite Cylindrical Shell in a  Fluid,” Sov. Physics Acoustics, 38 (6), pp.604-606 (1992).
  • Mark Sprague, Richard RaspetHenry Bass, and James Sabatier, “Low frequency acoustic ground impedance techniques”, Appl. Acoust., 39 307-325 (1993).
  • James M. SabatierRichard Raspet, and Carl K. Frederickson, “An improved procedure for the determination of ground parameters using level difference measurements”, J. Acoust. Soc. Am., 94 (1), 396-399 (1993).
  • V. M. Aranchuk, “Signal/noise ratio in a laser Doppler speckle-interferometer with a reference beam,” Optiko-mechanicheskaya promyhlennost (Soviet Journal of Optical Technology), 12, pp 31-34 (1994).
  • David W. Craig and James M. Sabatier, “A pulsed level difference technique for ground characterization”, Appl. Acoust., 44 (1), 1-6 (1995).
  • Keith Attenborough, James M. Sabatier, and Carl K. Frederickson, “The sound field within a rigid porous layer”, Appl. Acoust., 45 283-296 (1995).
  • Zhiqu Lu, Xiufen Gong, and Yuqin Wang,“ Study of the acoustic nonlinearity parameter B/A for Sea water ”, Chinese Journal of Acoustics, 14(2), p153-158 (1995).
  • V. M. Aranchuk, “Heterodyne detection of Doppler frequency shift of dynamic speckles by spaced photodetectors,” Optica i Spectroscopiya (Soviet Journal of Optics and Spectroscopy), 78 (2), pp.284-287 (1995).
  • C. J. Hickey, T. J. T. Spanos, and V. de la Cruz, “Deformation parameters for permeable media,” Geophys. J. Int., 121, 359-370 (1995).
  • Carl K. FredericksonJames M. Sabatier, and Richard Raspet, “Acoustic characterization of rigid frame air-filled porous media using both reflection and transmission measurements”, J. Acoust. Soc. Am., 99 1326-1332 (1996).
  • J. M. Sabatier, D. C. Sokol, C. K. Frederickson, M. J. M. Römkens, E. H. Grissinger, and J. C. Shipps, “Probe microphone instrumentation for determining soil physical properties:  Testing in model porous materials”, Soil Technology 8, 259-274 (1996).
  • Richard Raspet and James M. Sabatier, “The surface impedance of grounds with exponential porosity profiles”, J. Acoust. Soc. Am., 99 (1), 147-152 (1996).
  • Miguel Bernard, Doru Velea, and James M. Sabatier, “Permanent removal of the wall porosity in monolithic catalyst support ceramics”, J. Acoust. Soc. Am., 99 2430-2432 (1996).
  • A.E. Ekimov, and A.V. Lebedev, “Experimental Study of Local Mass Influence on Sound Radiation  from  a  Thin  Limited  Cylindrical Shell,” Applied Acoustics, 48 (1), pp. 47-57 (1996).
  • A. E. Ekimov, A. V. Lebedev, L. A.Ostrovskii, and A. M. Sutin, “Nonlinear  Acoustic  Effects  Due  to  Cracks  in  Ice   Cover,” Acoustical physics, 42 (1),pp.61-64 (1996).
  • Zhiqu Lu, Xiufen Gong, Shiyuan Wang, Jiehui Liu, and Haiyun Zhang “The influence of molecular structure of protein on the acoustic nonlinearity parameter B/A”, Chinese Journal of Acoustics, 15(4), p358-366 (1996).
  • Zhiqu Lu, Xiufen Gong, and Jiehui Liu, “A study of liquid-solid phase transition of SDS aqueous solution by using the acoustic nonlinearity parameter B/A”, ACTA, Acustica, 32 (1), p 28-35 (1996), (in Chinese).
  • Zhiqu Lu, Xiufen Gong, and Shiyuan Wang, “The effects of molecular structure on the acoustic nonlinearity parameter B/A”, ACTA ACUSTICA, 21 (5), p783-789 (1996), (in Chinese).
  • Zhiqu Lu, Xiufen Gong, and Jiehui Liu,“Liquid-solid phase transition in Sodium Dodecyl Sulfate aqueous solution by the acoustic nonlinearity parameter B/A”, Chinese Physics Letters, 13 (5), p366-369 (1996).
  • Richard RaspetJames M. Sabatier, and W. Patrick Arnott, “Estimation of temperature gradient effects on the normalized surface impedance of soils”, J. Acoust. Soc. Am., 101 (1), 602-605 (1997).
  • James P. ChambersJames M. Sabatier, and Richard Raspet, “Grazing incidence propagation over a soft rough surface”, J. Acoust. Soc. Am., 102 (1), 55-59 (1997).
  • C. J. Hickey and J. M. Sabatier, “Measurements of two types of dilatational waves in an air-filled unconsolidated sand”, J. Acoust. Soc. Am., 102 (1), 128-136 (1997).
  • C. J. Hickey and J. M. Sabatier, “Choosing Biot parameters for modeling water-saturated sand”, J. Acoust. Soc. Am., 102 (1), 1480-1484 (1997).
  • T. G. Muir, E. Smith, P. Wilson, F. Bacon, J. Manning, and J. Behrens, “Measurement  and localization of interface wave reflections from a buried target”, J. Acoust. Soc. Am., Vol. 103(5) pt., 1, 2333-2343 (1998).
  • Zhiqu Lu, B. Lagourette, J. Luc, Suyu Ye and P. Xans, “A phase comparison method for measurement of the acoustic nonlinearity parameter B/A”, Meas. Sci. Technol.9, pp 1699-1705 (1998).
  • Richard RaspetCraig J. Hickey, and James M. Sabatier, “The effect of evaporation-condensation on sound propagation in cylindrical tubes using the low reduced frequency approximation”, J. Acoust. Soc. Am., 105 (1), 65-73 (1999).
  • A.E. Ekimov, I.N. Didenkulov, and V.V.Kazakov, “Modulation of Torsional Waves in a Rod with a Crack,” J. Acoust. Soc. Am., 106 (3), pp.1289-1292 (1999).
  • Zhiqu Lu, J. Luc, B. Lagourette, “Phase comparison technique for measuring liquid-liquid phase equilibrium”, Review of Scientific Instruments70 (4), pp 2065-2068 (1999).
  • Doru VeleaF. Douglas Shields, and James M. Sabatier, “Elastic wave velocities in partially saturated Ottawa sand:  results and modeling”, J. Soil Sci. Soc. Am., 64 (4), 1226-1234 (2000).
  • F. Douglas ShieldsJames M. Sabatier, and Mark Wang, “The effect of moisture on compressional and shear wave speeds in unconsolidated granular materials”, J. Acoust. Soc. Am., 108 (5), 1998-2004 (2000).
  • W. V. SlatonR. Raspet, and C. J. Hickey, “The effect of the physical properties of the tube wall on the attenuation of sound in evaporating and condensing gas-vapor mixtures,” J. Acoust. Soc. Am., 108, 2120-2124 (2000).
  • C. J. HickeyR. Raspet, and W. V. Slaton, “Effects of thermal diffusion on the attenuation of sound in evaporating and condensing gas-vapor mixtures in tubes,” J. Acoust. Soc. Am.,107, 1126-1130 (2000).
  • D. Donskoy, A. Ekimov, and A.M. Sutin, “. Detection and Characterization of Defects with Vibro-Acoustic Modulation Technique,” In the book: “Emerging technologies in NDT”, Editors: Danny Van Hemelrijck, Athanassios Anastassopoulos, Theodore Philippidis, Publ.: A.A. Balkema/Rotterdam/Brookfield/, pp. 153-157 (2000).
  • H. Carrier, F. Plantier, J.L. Daridon, B. Lagourette, and Z. Lu, “Acoustic method for measuring asphaltene flocculation in crude oils”, Journal of Petroleum Science and Engineering, 27, p111-117 (2000).
  • James M. Sabatier and Ning Xiang, “An Investigation of Acoustic-to-Seismic Coupling to Detect Buried Antitank Landmines”, IEEE Transactions on Geoscience and Remote Sensing, Vol. 39, No. 6, 1146-1154 June (2001).
  • C. J. HickeyJ. M.  Sabatier, and T. M. McGee, “Developments of Geophysical Methods-Application to Shallow Targets,” Annali Di Geofisica, 43(6), 1225-1233 (2001).
  • M. L. OelzeJ. M.  Sabatier, and R. Raspet, “Roughness characterization of porous rough soil with acoustic backscatter,” J Acoust. Soc. Am., 109(5), 1826-1832, (2001).
  • D. Donskoy, A. M. Sutin, and A. Ekimov, “Nonlinear acoustic interaction on contact interfaces and its use for nondestructive testing,” NDT&E International, 34, p.231-238 (2001).
  • Zhiqu Lu, B. Lagourette, and J. L. Daridon, “Acoustic nonlinearity parameter of liquid alkanes as a function of temperature, chain length and isomerism”, Physics and Chemistry of Liquids,39, pp 255-266 (2001).
  • J. P. Chambers and J. M. Sabatier, “Recent advances in utilizing acoustics to study surface roughness in agricultural surfaces”, Appl. Acoust., 63 (7), 795-812 (2002).
  • M. S. Korman and J. M. Sabatier, “Nonlinear Acoustic Techniques for Land Mine Detection, Nonlinear Acoustics at the Beginning of the 21st Century,” Moscow State University Press, Moscow, 2, 1079-1082 (2002).
  • Michael OelzeJames M. Sabatier, and Richard Raspet, “Application of acoustic backscatter technique for characterizing the roughness of porous soil”, J. Acoust. Soc. Am.,111 (4), 1565-1577 (2002).
  • Ning Xiang and James M. Sabatier, “Bayesian probability analysis for acoustic-to-seismic landmine detection”, J. Acoust. Soc. Am., 112 (5), 2390-2391 (2002).
  • R. RaspetW. V. SlatonC. J. Hickey, and R. A. Hiller, “Theory of inert gas-condensing vapor thermoacoustics:  Propagation equations,” J. Acoust. Soc. Am., 112(4), 1414-1422 (2002).
  • W. V. SlatonR. RaspetC. J. Hickey, and R. A. Hiller, “Theory of inert gas-condensing vapor thermoacoustics:  Transport equations,” J. Acoust. Soc. Am., 112(4), 1423-1430 (2002).
  • A. G. Petculescu and J. M. Sabatier, “Signal-to-noise ratio improvement by sideband intermixing: application to Doppler ultrasound vibrometery,” Rev. of Sci. Instrum.., 74 (9) (2003).
  • M. L. OelzeJ. M. Sabatier, and R. Raspet, “Roughness measurements of soil surfaces by acoustic backscatter, ” J. Soil Sci. Am., 67 (1), 241-249 (2003).
  • N. Xiang and J. M. Sabatier, “An experimental study on anti-personnel landmine detection using acoustic-to-seismic coupling,” J. Acoust. Soc. Am., 113 (3), 1333-1341 (2003).
  • D. DiCarlo, J. Cidonacha, and C. J. Hickey, “Acoustic measurements of pore-scale displacements,” Geophysical research Letters, 30(17), p.1901 (2003).
  • Zhiqu LuCraig J. Hickey, and James M. Sabatier, “Effects of Compaction on the Acoustic Velocity in Soils”, J. Soil Sci. Soc. Am., 68 (1), 7-16 (2004).
  • Doru VeleaRoger Waxler, and James M. Sabatier, “An effective fluid model for landmine detection using acoustic to seismic coupling”, J. Acoust. Soc. Am., 115 (5), 1993-2002 (2004).
  • Andi G. Petculescu and James M. Sabatier, “Air-coupled ultrasonic sensing of grass-covered vibrating surfaces; qualitative comparisons with laser Doppler vibrometry”, J. Acoust. Soc. Am., 115 (5), 1557-154 (2004).
  • M. S. Korman and J. M. Sabatier, “Nonlinear acoustic techniques for landmine detection,” J. Acoust. Soc. Am., 116 (6), 3354-3369 (2004).
  • V. N. FokinM. S. FokinaJ. M. SabatierN. Xiang, and W. B Howard, “Effect of variability of soil physical properties on clutter and false alarms in landmine detection,” Radio Sci., 39, RS4S04 (2004)
  • N. Xiang and J. M. Sabatier, “Laser Doppler vibrometer-based acoustic landmine detection using the fast M-sequence transform”, IEEE Geoscience and Remote Sensing Letters, 1 (4), 292-294 (2004).
  • V. ValeauJ. M. SabatierD. CostleyN. Xiang, “Development of a time-frequency representation for acoustic detection of buried objects,” J. Acoust. Soc. Am., 116 (5), 2984-2995 (2004).
  • C. J. HickeyD. Leary, J. F. Allard, and M. Henry, “Impedance and Brewster angle measurement for thick porous layers,” J. Acoust. Soc. Am., 118 (3), 1503-1509 (2005).
  • Dimitri Donskoy, Alexander Reznik, Andrei Zagrai and Alexander Ekimov, “Nonlinear Vibrations of Buried Land Mines”,  J. Acoust. Soc. Am., 117, No. 2, pp. 690-700 (2005).
  • Zhiqu Lu, “Role of hysteresis in propagating acoustic wave in porous materials”, Geophysical Research Letters, 32 (14), L14302 (2005).
  • Alexander E. Ekimov and James M. Sabatier, “Vibration and sound signatures of human footsteps,” J. Acoust. Soc. Am., 120(2), 762-768 (2006).
  • Vladimir N. FokinMargarita S. FokinaJames M. Sabatier, and Zhiqu Lu, “Effect of ground variability on acoustic-to-seismic transfer function and false alarms in landmine detection,” J. Acoust. Soc. Am., 120(2), 621-630 (2006).
  • Amit K. Lal, Cecil F. Hess, James M. SabatierVyacheslav AranchukRichard D. BurgettIna Aranchuk, “Multi-beam laser Doppler vibrometer for acoustic landmine detection,” Optical Engineering, 45(10), 104302 October (2006).
  • W. C. Kirkpatrick Alberts IIJames M SabatierRoger Waxler, “Resonance frequency shift saturation in acoustic landmine detection experiments,” J. Acoust. Soc. Am. 120(4), 1881-1886 (2006).
  • W. C. Kirkpatrick Alberts IIRoger Waxler, and James M Sabatier, “Studying the mechanical behavior of a plastic, shock-resisting, anti-tank landmine,” J. Acoust. Soc. Am.120(6), 3655-3663 (2006).
  •  Zhiqu Lu and Suyu Ye, “Calculation of the acoustic nonlinearity parameter B/A for linear alkanes by Lee-Kelser correlation” Acta Acustica united with Acustica, 92, 756-764 (2006).
  • Alexander Ekimov and James M. Sabatier, “Ultrasonic wave generation due to human footsteps on the ground”, J. Acoust. Soc. Am., Vol.121, No 3, p.EL114-EL119 (2007).
  • Zhiqu Lu, “The phase shift method for studying nonlinear acoustics in soils”, Acta Acustica united with Acustica,  93, 542-554 (2007).
  • Alexander Ekimov and James M. Sabatier, “Human motion analyses using footstep ultrasound and Doppler ultrasound”, J. Acoust. Soc. Am., 123 (6), p. EL149 – EL154, (2008).  Virtual Journal of Biological Physics Research – May 15, 2008, Volume 15, Issue 10 <http://www.vjbio.org>
  • Zhiqu Lu and James M. Sabatier, “Effects of soil water potential and moisture content on sound speed”, Soil Science Society of America Journal, 73, 1-12, 2009.
  • W. B. Howard and C. J. Hickey, “Investigation of the near subsurface using acoustic to seismic coupling,” Ecohydrology 2, 263-269, 2009.
  • D. Leary, D. A. DiCarlo, and C. J. Hickey, “Acoustic techniques for studying soil-surface seals and crusts,” Ecohydrology 2, 257-262, 2009.

Patents

  • V. M. Aranchuk, F.G. Drik, et al.; AC USSR 11136; “Measuring device for linear displacement” (1984).
  • V. M. Aranchuk, F.G. Drik, et al.; AC USSR 1201688; “Device for measurement of parameters of mechanical vibrations” (1985).
  • V. M. Aranchuk, F.G. Drik, et al.; AC USSR 1196686; “Compensation system for object angular motion in two-beam interferometric displacement sensors” (1985).
  • V. M. Aranchuk, F.G. Drik, et al.; AC USSR 1260685; “Device for measurement of parameters of displacement” (1986).
  • V. M. Aranchuk, AC USSR 1276041, “Device for measurement motion parameters of object” (1986).
  • V. M. Aranchuk, F.G. Drik, et al.; AC USSR 1464046; “Device for measurement angular vibration amplitude” (1989).
  • V. M. Aranchuk; AC USSR 1441201; “Method of measurement of the velocity of mechanical vibrations” (1989).
  • V. M. Aranchuk, AC USSR 1783300, “Method for measuring tape thickness and device for its implementation” (1992).
  • James M. Sabatier and Kenneth E. Gilbert, US Patent 6,081,481, “Method for Detecting Buried Objects by Measuring Seismic Vibrations Induced by Acoustical Coupling with a Remote Source of Sound” (2000).
  • R. RaspetH. E. BassC. J. HickeyW. V. Slaton, and R. A. Hiller, R, US Patent 6,688,112 B2, “Thermoacoustic Refrigeration Device and Method” (2004).
  • Amit K. Lal, Cecil F. Hess, Hansheng Zhang, L. Ernesto Hurtado, Vladimir B. Markov,Vyacheslav Aranchuk, US Patent 6,972,846, “Multi-beam heterodyne laser Doppler vibrometer” (2005).
  • Amit K. Lal, Cecil F. Hess, Hansheng Zhang, L. Ernesto Hurtado, Vladimir B. Markov,Vyacheslav Aranchuk, US Patent 7,116,426, “Multi-beam heterodyne laser Doppler vibrometer,” (2006).
  • Amit K. Lal, Cecil F. Hess, L. Ernesto Hurtado, Vladimir B. Markov, Vyacheslav Aranchuk, Valentina V. Doushkina “Multi-beam heterodyne laser Doppler vibrometer”, US Patent 7,477,398 (2009).