Relevant bibliographies by topics / Ultrasound beam

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ultrasound beam'

Author: Grafiati
Published: 28 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Ultrasound beam"

1

Lu, Jian-Yu, Hehong Zou, and James F. Greenleaf. "Biomedical ultrasound beam forming." Ultrasound in Medicine & Biology 20, no. 5 (January 1994): 403–28. http://dx.doi.org/10.1016/0301-5629(94)90097-3.

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Ter Haar, G. "Ultrasound focal beam surgery." Ultrasound in Medicine & Biology 21, no. 9 (January 1995): 1089–100. http://dx.doi.org/10.1016/0301-5629(95)02010-1.

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Chatzifotis, Panagiotis I. "Non-Destructive Testing with Ultrasound in Rails and Ship Plates." Key Engineering Materials 605 (April 2014): 613–16. http://dx.doi.org/10.4028/www.scientific.net/kem.605.613.

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This paper deals with finding of defects, such as cracks, breakdowns and inclusions in rails and in ship plates, by ultrasound technique. Pulse echo method and twin beams technique is some of the ultrasonic inspection methods we have used for thickness measurements and for inspection of the welds. Initially, the thickness of rails and ship plates was measured by ultrasound devices using straight beam transducers and then the weldings of these samples were checked by using angle beam transducers.
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Dolazza, Enrico. "Ultrasound beam softening compensation system." Journal of the Acoustical Society of America 104, no. 5 (November 1998): 2560. http://dx.doi.org/10.1121/1.423824.

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Preston, R. C. "The NPL ultrasound beam calibrator." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 35, no. 2 (March 1988): 122–39. http://dx.doi.org/10.1109/58.4162.

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Martin, K. "A thermal beam shape phantom for physiotherapy ultrasound beams." European Journal of Ultrasound 6 (October 1997): S29. http://dx.doi.org/10.1016/s0929-8266(97)90341-4.

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Bae, Sua, and Tai-Kyong Song. "Methods for Grating Lobe Suppression in Ultrasound Plane Wave Imaging." Applied Sciences 8, no. 10 (October 11, 2018): 1881. http://dx.doi.org/10.3390/app8101881.

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Plane wave imaging has been proven to provide transmit beams with a narrow and uniform beam width throughout the imaging depth. The transmit beam pattern, however, exhibits strong grating lobes that have to be suppressed by a tightly focused receive beam pattern. In this paper, we present the conditions of grating lobe occurrence by analyzing the synthetic transmit beam pattern. Based on the analysis, the threshold of the angle interval is presented to completely eliminate grating lobe problems when using uniformly distributed plane wave angles. However, this threshold requires a very small angle interval (or, equivalently, too many angles). We propose the use of non-uniform plane wave angles to disperse the grating lobes in the spatial domain. In this paper, we present an approach using two uniform angle sets with different intervals to generate a non-uniform angle set. The proposed methods were verified by continuous-wave transmit beam patterns and broad-band 2D point spread functions obtained by computer simulations.
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Zhou, Jingcheng, Xu Guo, Cong Du, and Xingwei Wang. "Ultrasound beam steering using a fiber optic ultrasound phased array." Optics Letters 44, no. 21 (November 1, 2019): 5390. http://dx.doi.org/10.1364/ol.44.005390.

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Fischetti, Anthony J., and Richard C. Scott. "Basic Ultrasound Beam Formation and Instrumentation." Clinical Techniques in Small Animal Practice 22, no. 3 (August 2007): 90–92. http://dx.doi.org/10.1053/j.ctsap.2007.05.002.

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Alles, Erwin J., Sacha Noimark, Edward Zhang, Paul C. Beard, and Adrien E. Desjardins. "Pencil beam all-optical ultrasound imaging." Biomedical Optics Express 7, no. 9 (August 26, 2016): 3696. http://dx.doi.org/10.1364/boe.7.003696.

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Dissertations / Theses on the topic "Ultrasound beam"

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Willink, Robin Daniel. "Estimation of blood flow using Doppler ultrasound with a narrow beam." Thesis, University of Leicester, 1994. http://hdl.handle.net/2381/34276.

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Estimation of mean spatial blood velocity, and hence volumetric flow, using Doppler ultrasound is typically performed under the assumption that the beam samples each part of the cross section of the blood vessel equally. This allows the mean velocity to be regarded as being proportional to the conventional mean Doppler shift frequency. In this work a new frequency estimator of mean velocity is presented for the case where the beam is assumed to be of negligible width compared to the vessel diameter and directed through the vessel axis. This estimator is proportional to the mean velocity if it can be further assumed that the velocity profile is axi-symmetric and is monotonic, or has an idealised bidirectional form. In practice neither the assumption of a uniformly insonating beam nor the assumption of an infinitely narrow beam are valid. Also the Doppler spectrum, as a representation of the velocity distribution of blood cells, is corrupted by spectral broadening, noise, filtering and the stochastic nature of the signal. In addition difficulty exists in the measurement of the representative Doppler angle. The effects on both estimators of these potential sources of error are discussed and compared. The question of volumetric flow measurement at various arterial sites is addressed by modelling the velocity profiles in the vessel throughout the cardiac cycle. Some sources of error affect only the new estimator, so one conclusion drawn is that mean velocity estimation and volumetric flow measurement are better performed using the conventional frequency with a uniformly insonating beam. Nevertheless if the beam is more accurately described as being very narrow and centrally positioned the new estimator performs better than the conventional frequency estimator. This description may well be appropriate if the blood vessels are large and the Doppler beam is transmitted and received using a linear array transducer such as in modern duplex systems.
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Fouts, John Lyle. "Forming Screen Effect on Ultrasonic Beam Field." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/10423.

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The aim of this study was to characterize the interaction between a pulsed ultrasonic wave and a paper forming screen for potential development of a smart paper forming sensor to measure velocity profile of the forming jet as it impinges on the wire. To achieve this goal, a Signal-Processing DOP 2000 pulsed ultrasonic Doppler velocimeter was used to generate a pulsed ultrasonic signal. The signal was transmitted and received using four different ultrasonic transducers: a 2 MHz 10 mm, 4 MHz 5 mm, 4MHz 8 mm focused, and 8 MHz 5 mm. The ultrasonic signals were then analyzed in order to determine the ultrasonic beam echo amplitude and shape. These tests were performed with and without various paper forming screens placed between the ultrasonic transducer and an ultrasonic signal target. Two different paper forming screens were utilized to study the interaction of the ultrasonic beam with the forming screens. The tests showed that the ultrasonic signal passing through the forming screens is greatly attenuated causing a sharp decrease in echo amplitude. To overcome the attenuation of the signal, a much higher amplification of the signal was used causing an increase in the saturation region around the forming screen. This increased the minimum distance that a target had to be away from the forming screen. The closest distance from the plastic sphere to the screen over the widest range of transducer-screen-distances that produced detectable echoes was achieved with the 4 MHz 5 mm transducer. The tests showed for both screens that there is more variation in beam width when the screen is moved laterally than when it is not moved at all. They also show that even though the pores in the forming screen are very small, they seem to have a great effect on the beam width measurements of the ultrasonic transducer.
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Hlavatý, Radek. "Měření parametrů ultrazvukového svazku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442538.

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The work deals with methods of measuring the parameters of the ultrasonic beam generated by piezoelectric sensors. The theoretical part contains a literature search of methods for the analysis of the ultrasonic beam generated by piezoelectric transducers with dimensions of units of millimeters. The problematics of measurement using piezoelectric or optical fiber hydrophones is investigated in more detail. The scope of the practical part of the work is the design and implementation of measuring equipment that allows spatial analysis of the beam during propagation by a complicated signal path, for automotive level and concentration sensors of the company Vitesco Technologies s.r.o. The system uses a hydrophone method to measure the ultrasonic beam. Due to test measurements, the repeatability of the measured results is confirmed, the results are discussed in the end.
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Liang, Li Heng. "Statistical analysis and biological effects of prostate motion in ultrasound image-guided external beam radiotherapy." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81359.

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Biological effects and prostate motion were studied for prostate cancer patients treated with external beam radiotherapy. The prostate motion was determined using an ultrasound-based patient positioning system (BAT: B-mode Acquisition and Targeting) just after conventional patient setup. The changes in planned biological effects due to prostate motion were calculated for the prostate target organ and for the rectum and bladder normal tissues using TCP (tumor control probability) and NTCP (normal tissue complication probability) calculations, respectively. The prostate TCP calculations were carried out for both prostate PTV and GTV structures, whereas the rectum and bladder wall structures were used for the NTCP calculations.
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Shamu, Tafadzwa John. "Evaluation and characterisation of an ultrasound based in-line rheometric system for industrial fluids." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2189.

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Thesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology.
Pulsed Ultrasound Velocimetry combined with Pressure Difference (PUV+PD) measurement is a non-invasive in-line rheometric technique which is used to analyse the complex flow properties of industrial fluids for quality control purposes. Cape Peninsula University of Technology (CPUT) and Technical Research Institute of Sweden (SP) have developed and patented a new PUV+PD based system, called Flow-Viz™. Despite this advancement, the system and ultrasound sensor technology have not been fully tested and evaluated in a wide range of industrial fluids. Acoustic characterisation tests were carried out at SP, with the aim of understanding the ultrasound beam properties after propagating through industrial stainless steel (316L) pipe walls. For these tests, a high-precision robotic XYZ-scanner and needle hydrophone setup were used. Different ultrasound sensor configurations were mounted to a stainless steel pipe while using different coupling media between the transducer-to-wedge and sensor wedge-to-pipe boundaries. The ultrasound beam propagation after the wall interface was measured by navigating the needle hydrophone within a predefined 2-dimensional spatial grid. The most suitable coupling material was determined from the acoustic characterisation, and then used in the in-line rheological characterisation tests to evaluate the performance of the Flow-VizTM rheometric unit against conventional tube viscometry. The in-line rheological tests were conducted with bentonite, kaolin and Carboxymethyl cellulose (CMC) model fluids. The flow loop used consisted of three different pipe test sections; and two concentrations of each fluid were tested in order to ascertain the consistency of the measurements. The in-line rheological tests showed good agreement (±15%) between the two techniques and Flow-VizTM was able to provide important data at very low shear rates. Acoustic characterisation indicated that variations in the beam properties were highly dependent on the acoustic couplants used to mount the sensors to the stainless steel pipes. Furthermore, the in-line results showed the effectiveness of Flow-VizTM as an industrial rheometer. The non-invasive ultrasound sensor technology, was for the first time acoustically characterised through stainless steel. This information will now be used to further optimise the unique technology for advanced industrial applications, e.g. oil drilling fields, complex cement grout and food processing applications.
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Sihono, Dwi Seno Kuncoro [Verfasser], and Frederik [Akademischer Betreuer] Wenz. "Real-Time Ultrasound Image-Guidance and Tracking in External Beam Radiotherapy / Dwi Seno Kuncoro Sihono ; Betreuer: Frederik Wenz." Heidelberg : Universitätsbibliothek Heidelberg, 2020. http://d-nb.info/1204637644/34.

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Wang, Jing. "A Study of Limited-Diffraction Array Beam and Steered Plane Wave Imaging." University of Toledo / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1146240142.

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Näsholm, Sven Peter. "Ultrasound beams for enhanced image quality." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Det medisinske fakultet, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-2163.

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The contents of this thesis consider new methods for generating ultrasound beams for enhanced image quality in medical imaging. The results presented are produced through computer simulations. The thesis consists of an introductory chapter and four papers, which are all intended to be individually readable. Chapter 1 gives a brief overview of ultrasound and medical ultrasound imaging, as well as different aspects of ultrasound image quality and acoustic noise. A non-linear wave equation is presented and analyzed. This equation describes ultrasound propagation within, and interaction with tissue. In Paper A, a transducer annular array design method is presented. The method involves a geometric pre-focusing, which may vary between the array elements. This is useful for producing narrow receive beams within a large imaging depth window. It is advantageous for avoiding problems that occur when combining high frequencies and large receive apertures when utilizing the conventional equal-area design method. Paper B introduces a method to produce synthetic transmit beams that are useful for suppression of reverberation noise caused by multiple scattering of the forward-propagating imaging pulse. This is done through combination of two transmit pulse complexes denoted Second order UltRasound Field (SURF). Each such complex consists of a conventional high-frequency imaging pulse added to a low-frequency sound-speed manipulation pulse. The SURF transmit beam is generated by forming the difference between the propagated fields, filtered around the imaging frequency. This beam has suppressed amplitude near the transducer, where a reflection-generating body-wall is often present during in vivo imaging. Furthermore, a method to produce a combined second-harmonic pulse inversion (PI) and SURF beam is also presented, here denoted SURF-PI. Two imaging setups are defined for which the feasibility of the method is tested through simulations in case of propagation through homogeneous tissue. SURF beams and combined SURF-PI beams are compared to fundamental imaging and PI imaging beams for the two setups. The SURF-PI beams are the most suppressed in the near-field, followed by the approximately equally suppressed SURF and PI beams. The signal level within the imaging depth region becomes higher for SURF than for PI. In Paper C, two signal processing methods for further adjustment of the SURF beams are introduced. This is achieved through post-processing, either by application of a time-shift, or of a general filter, to one of the propagated fields. The processing is done prior to carrying out the subtraction that is done to form the SURF beam. This provides a flexible way of adjustment to choose the depth position where the scattering sources wished to be suppressed are located. Different adjustments may be realized without need for re-transmission or resumed propagation of the SURF pulse complexes. The post-processing methods are applied to a dataset generated for Paper B. Adjusted transmit beam examples are presented and their reverberation suppression abilities are compared to non-adjusted SURF. In Paper D, the feasibility study of the SURF beam generation as presented in Paper B, and its post-processing adjustment as presented in Paper C, are enlarged to include propagation within an inhomogeneous medium where a body-wall model producing severe aberration delays is present. It is shown that both the generation of the SURF beams and the post-processing adjustment are attainable under the modeled conditions.
artikle I: "This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible."
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Cheng, Jiqi. "A Study of Wave Propagation and Limited-Diffraction Beams for Medical Imaging." University of Toledo / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1133820434.

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Moshfeghi, M. "Ultrasound reflection tomography using cylindrically diverging beams." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355095.

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Books on the topic "Ultrasound beam"

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Knott, J. M. Beam size effects on the directivity patterns of laser generated ultrasound at a water/solid interface. Manchester: UMIST, 1996.

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Gargani, Luna, and Marcelo-Haertel Miglioranza. Lung ultrasound. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198726012.003.0016.

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The lung is a relatively new site for the application of ultrasound. Beyond the more established assessment of pleural effusion, this organ has been traditionally considered off limits for sonographic investigation, since air is a well-known foe of the ultrasound beam. However, in recent years it has been shown that this apparent physical limitation can be overcome when the air content decreases, as happens in a diseased pulmonary parenchyma. The most useful lung ultrasound sign for cardiologists is the presence of B-lines, the sonographic hallmark of pulmonary interstitial syndrome, including interstitial pulmonary oedema. Bilateral multiple B-lines are present in patients with pulmonary congestion and may help assess and semiquantify the extent of extravascular lung water in patients with heart failure. This sign is low cost, easy to perform, can be repeated at bedside, and does not employ ionizing radiation. Lung ultrasound is also useful for detecting other pulmonary conditions such as pneumothorax, and lung consolidations such as pneumonia or pulmonary infarction.
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Chin, Ki Jinn. Maximizing Visualization of the Needle During Ultrasound Procedures. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0094.

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Safe and successful ultrasound-guided interventional procedures depend on the ability to visualize both anatomical structures of interest and the advancing needle. This chapter describes various strategies for optimizing needle visualization and tip localization during freehand guidance of a needle to a tissue target using ultrasound. Challenges to needle visualization include the poor echogenicity of standard needles at insertion angles steeper than 30–45 degrees to the horizontal, the difficulty of aligning the needle with the ultrasound beam, and manipulation in three dimensions based on two-dimensional visual information. Attention to ergonomics improves probe and needle control and facilitates alignment. Needle echogenicity can be improved by using a shallower angle, where possible, and echogenic needle technology. Hand movements of probe and needle should be kept small and controlled. Indirect cues of needle tip location are also extremely useful and should be utilized routinely.
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Precious in His Eyes: Documentary of breast cancer healing. Cavite, Philippines: CRV Consulting & Publishing Services, 2011.

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Killingback, A. L. T. An opto-electronic triggering device for the NPL ultrasound bean calibrator system. 1996.

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Book chapters on the topic "Ultrasound beam"

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Whittingham, Tony, and Kevin Martin. "Transducers and beam forming." In Diagnostic Ultrasound, 37–75. Third edition. | Boca Raton, FL: CRC Press/Taylor & Francis Group, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9781138893603-3.

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Al-Sadah, J. H., and J. A. Zagzebski. "Ultrasound Angular Scatter Imaging: Beam Forming Method." In IFMBE Proceedings, 496–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03879-2_139.

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Nakajima, Mitsuru, Keisuke Hasegawa, Yasutoshi Makino, and Hiroyuki Shinoda. "Remotely Displaying Cooling Sensation Using Ultrasound Mist Beam." In Lecture Notes in Electrical Engineering, 85–87. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3194-7_18.

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Wagner, James W., Andrew D. W. McKie, James B. Spicer, and John B. Deaton. "Laser Generation of “Directed” Ultrasound in Solids Using Spatial and Temporal Beam Modulation." In Review of Progress in Quantitative Nondestructive Evaluation, 487–94. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5772-8_60.

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Lamberti, N. A., M. La Mura, C. Guarnaccia, G. Rizzano, C. Chisari, Joseph Quartieri, and N. E. Mastorakis. "An Ultrasound Technique for the Characterization of the Acoustic Emission of Reinforced Concrete Beam." In Lecture Notes in Electrical Engineering, 63–68. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75605-9_9.

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Gao, Hang, Piet Claus, G. Harry van Lenthe, Siegfried Jaecques, Steven Boonen, Georges Van der Perre, Walter Lauriks, and Jan D’hooge. "A Convolution-based Methodology to Simulate Cardiac Ultrasound Data Sets: Integration of Realistic Beam Profiles." In IFMBE Proceedings, 2520–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-89208-3_604.

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Ho, Chia-Che, Yi-Hsun Lin, and Shyh-Hau Wang. "A Modified Synthetic Aperture Focusing Technique Using Beam Characteristics of Transducer for Ultrasound Image Improvement." In IFMBE Proceedings, 211–14. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02913-9_54.

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Geier, George E., Daniel M. Newman, Francis J. Fry, Steven L. Griffith, and Thomas D. Franklin. "Broad Beam Ultrasound for Acceleration of Struvite Calculi Dissolution Using Citric Acid-Based Chemolytic Agents." In Shock Wave Lithotripsy, 363–67. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4757-1977-2_74.

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Treeby, Bradley E., Mustafa Tumen, and B. T. Cox. "Time Domain Simulation of Harmonic Ultrasound Images and Beam Patterns in 3D Using the k-space Pseudospectral Method." In Lecture Notes in Computer Science, 363–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23623-5_46.

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Suzuki, Shun, Keisuke Hasegawa, Yasutoshi Makino, and Hiroyuki Shinoda. "Haptic Tracing of Midair Linear Trajectories Presented by Ultrasound Bessel Beams." In Haptics: Science, Technology, and Applications, 209–20. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93445-7_19.

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Conference papers on the topic "Ultrasound beam"

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Amin, Viren. "A Study of Effects of Tissue Inhomogeneity on HIFU Beam." In THERAPEUTIC ULTRASOUND: 5th International Symposium on Therapeutic Ultrasound. AIP, 2006. http://dx.doi.org/10.1063/1.2205466.

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Liu, Hao-Li. "Focal Beam Distortion and Treatment Planning in Abdominal Focused Ultrasound Surgery." In THERAPEUTIC ULTRASOUND: 5th International Symposium on Therapeutic Ultrasound. AIP, 2006. http://dx.doi.org/10.1063/1.2205464.

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Li, Faqi. "Effect of ribs in HIFU beam path on formation of coagulative necrosis in goat liver." In THERAPEUTIC ULTRASOUND: 5th International Symposium on Therapeutic Ultrasound. AIP, 2006. http://dx.doi.org/10.1063/1.2205520.

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Huang, Lianjie, Yunsong Huang, and Kai Gao. "Transrectal ultrasound imaging using plane-wave, fan-beam and wide-beam ultrasound: Phantom results." In Physics of Medical Imaging, edited by Hilde Bosmans, Guang-Hong Chen, and Taly Gilat Schmidt. SPIE, 2019. http://dx.doi.org/10.1117/12.2513064.

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Park, Byullee, Hoyong Lee, Seungwan Jeon, Joongho Ahn, Hyung Ham Kim, and Chulhong Kim. "Sub-wavelength convertible Bessel-beam and Gaussian-beam photoacoustic microscope in reflection-mode for in-vivo application." In Photons Plus Ultrasound: Imaging and Sensing 2019, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2019. http://dx.doi.org/10.1117/12.2506562.

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Zeng, Yaguang, and Da Xing. "Photoacoustic tomograph with ultrasound probe beam." In Third International Conference on Photonics and Imaging in Biology and Medicine, edited by Qingming Luo, Valery V. Tuchin, Min Gu, and Lihong V. Wang. SPIE, 2003. http://dx.doi.org/10.1117/12.546098.

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Zeng, Yaguang, Da Xing, Yi Wang, Yi Tang, and Hongbo Fu. "Photoacoustic tomography with ultrasound probe beam." In SPIE Proceedings, edited by Ruikang K. Wang, Jeremy C. Hebden, Alexander V. Priezzhev, and Valery V. Tuchin. SPIE, 2004. http://dx.doi.org/10.1117/12.572029.

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Wu, X. "Multi-focus Beam Formation And Beam Steering Using An Acoustic Lens And Lens Rotation To Create Large Lesions In Ultrasound Thermal Therapy." In 4TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. AIP, 2005. http://dx.doi.org/10.1063/1.1901647.

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Vyas, Urvi, Elena Kaye, and Kim Butts Pauly. "Transcranial phase aberration correction using beam simulations and MR-ARFI." In 12TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. AIP, 2012. http://dx.doi.org/10.1063/1.4769941.

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Qin, Jun, W. Neal Simmons, Georgy Sankin, Pei Zhong, and Emad S. Ebbini. "Effect of Beam Size on Stone Comminution in Shock Wave Lithotripsy." In 8TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. AIP, 2009. http://dx.doi.org/10.1063/1.3131443.

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Reports on the topic "Ultrasound beam"

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Spindel, Robert C., Frank Henyey, Gregory Anderson, Robert Miyarnoto, and Robert Marks. Interdisciplinary Research in Physics: Mathematical Aspects of Hamiltonian Theories for the Ocean, Environmentally Adaptive Sonar Controller, Influence of Local Variation in Surficial Sediment Porosity on the Spacial Distribution of Bacterial Numbers and Activity, Response of Gas-Filled Bubble to an Ultrasound Beam. Fort Belvoir, VA: Defense Technical Information Center, March 2000. http://dx.doi.org/10.21236/ada374430.

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