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Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device.

Journal of medical ultrasonics (2001)

Akiyama I, Saito S, Ohya A.
PMID: 27277724
J Med Ultrason (2001). 2006 Jun;33(2):71-6. doi: 10.1007/s10396-005-0081-8.

PURPOSE: We constructed an ultra-broadband ultrasonic transducer in a mechanical sector device, and prototyped a system to generate real-time images with higher harmonics. The potential of the system to reduce speckle was also studied.METHODS: To efficiently detect the higher...

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Akiyama I, Saito S, Ohya A. Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device. J Med Ultrason (2001). 2006;33(2):71-6doi: 10.1007/s10396-005-0081-8.
Akiyama, I., Saito, S., & Ohya, A. (2006). Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device. Journal of medical ultrasonics (2001), 33(2), 71-6. https://doi.org/10.1007/s10396-005-0081-8
Akiyama, Iwaki, et al. "Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device." Journal of medical ultrasonics (2001) vol. 33,2 (2006): 71-6. doi: https://doi.org/10.1007/s10396-005-0081-8
Akiyama I, Saito S, Ohya A. Development of an ultra-broadband ultrasonic imaging system: prototype mechanical sector device. J Med Ultrason (2001). 2006 Jun;33(2):71-6. doi: 10.1007/s10396-005-0081-8. PMID: 27277724.
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Electric poling and electromechanical characterization of 0.1-mm-thick sensor films and 0.2-mm-thick cable layers from piezoelectric poly(vinylidene fluoride-trifluoroethylene).

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Wegener M, Gerhard-Multhaupt R.
PMID: 12894925
IEEE Trans Ultrason Ferroelectr Freq Control. 2003 Jul;50(7):921-31. doi: 10.1109/tuffc.2003.1214511.

Piezoelectric polymers have been proposed for many sensor and actuator applications. Among these, piezoelectric polymer films with thicknesses between several tens and a few hundreds of micrometers as well as coaxial cables with piezoelectric polymer layers are highly suitable...

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Wegener M, Gerhard-Multhaupt R. Electric poling and electromechanical characterization of 0.1-mm-thick sensor films and 0.2-mm-thick cable layers from piezoelectric poly(vinylidene fluoride-trifluoroethylene). IEEE Trans Ultrason Ferroelectr Freq Control. 2003;50(7):921-31doi: 10.1109/tuffc.2003.1214511.
Wegener, M., & Gerhard-Multhaupt, R. (2003). Electric poling and electromechanical characterization of 0.1-mm-thick sensor films and 0.2-mm-thick cable layers from piezoelectric poly(vinylidene fluoride-trifluoroethylene). IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 50(7), 921-31. https://doi.org/10.1109/tuffc.2003.1214511
Wegener, Michael, and Gerhard-Multhaupt, Reimund. "Electric poling and electromechanical characterization of 0.1-mm-thick sensor films and 0.2-mm-thick cable layers from piezoelectric poly(vinylidene fluoride-trifluoroethylene)." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 50,7 (2003): 921-31. doi: https://doi.org/10.1109/tuffc.2003.1214511
Wegener M, Gerhard-Multhaupt R. Electric poling and electromechanical characterization of 0.1-mm-thick sensor films and 0.2-mm-thick cable layers from piezoelectric poly(vinylidene fluoride-trifluoroethylene). IEEE Trans Ultrason Ferroelectr Freq Control. 2003 Jul;50(7):921-31. doi: 10.1109/tuffc.2003.1214511. PMID: 12894925.
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Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers.

Physical review letters

Nakhmanson SM, Nardelli MB, Bernholc J.
PMID: 15089148
Phys Rev Lett. 2004 Mar 19;92(11):115504. doi: 10.1103/PhysRevLett.92.115504. Epub 2004 Mar 18.

Highly piezoelectric and pyroelectric phases of boron-nitrogen-based polymers have been designed from first principles. They offer excellent electrical and structural properties, with up to 100% improvement in the piezoelectic response and an enhanced thermal stability with respect to polyvinylidene...

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Nakhmanson SM, Nardelli MB, Bernholc J. Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers. Phys Rev Lett. 2004;92(11):115504doi: 10.1103/PhysRevLett.92.115504.
Nakhmanson, S. M., Nardelli, M. B., & Bernholc, J. (2004). Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers. Physical review letters, 92(11), 115504. https://doi.org/10.1103/PhysRevLett.92.115504
Nakhmanson, S M, et al. "Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers." Physical review letters vol. 92,11 (2004): 115504. doi: https://doi.org/10.1103/PhysRevLett.92.115504
Nakhmanson SM, Nardelli MB, Bernholc J. Ab initio studies of polarization and piezoelectricity in vinylidene fluoride and BN-based polymers. Phys Rev Lett. 2004 Mar 19;92(11):115504. doi: 10.1103/PhysRevLett.92.115504. Epub 2004 Mar 18. PMID: 15089148.
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Operational verification of a 40-MHz annular array transducer.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Ketterling JA, Ramachandran S, Aristizábal O.
PMID: 16555771
IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Mar;53(3):623-30. doi: 10.1109/tuffc.2006.1610571.

An experimental system to take advantage of the imaging capabilities of a 5-ring polyvinylidene fluoride (PVDF)-based annular array is presented. The array has a 6-mm total aperture and a 12-mm geometric focus. The experimental system is designed to pulse...

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Ketterling JA, Ramachandran S, Aristizábal O. Operational verification of a 40-MHz annular array transducer. IEEE Trans Ultrason Ferroelectr Freq Control. 2006;53(3):623-30doi: 10.1109/tuffc.2006.1610571.
Ketterling, J. A., Ramachandran, S., & Aristizábal, O. (2006). Operational verification of a 40-MHz annular array transducer. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 53(3), 623-30. https://doi.org/10.1109/tuffc.2006.1610571
Ketterling, Jeffrey A, et al. "Operational verification of a 40-MHz annular array transducer." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 53,3 (2006): 623-30. doi: https://doi.org/10.1109/tuffc.2006.1610571
Ketterling JA, Ramachandran S, Aristizábal O. Operational verification of a 40-MHz annular array transducer. IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Mar;53(3):623-30. doi: 10.1109/tuffc.2006.1610571. PMID: 16555771; PMCID: PMC1770896.
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Design and fabrication of a 40-MHz annular array transducer.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Ketterling JA, Aristizábal O, Turnbull DH, Lizzi FL.
PMID: 16060516
IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Apr;52(4):672-81. doi: 10.1109/tuffc.2005.1428050.

This paper investigates the feasibility of fabricating a five-ring, focused annular array transducer operating at 40 MHz. The active piezoelectric material of the transducer was a 9-microm thick polyvinylidene fluoride (PVDF) film. One side of the PVDF was metallized...

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Ketterling JA, Aristizábal O, Turnbull DH, et al. Design and fabrication of a 40-MHz annular array transducer. IEEE Trans Ultrason Ferroelectr Freq Control. 2005;52(4):672-81doi: 10.1109/tuffc.2005.1428050.
Ketterling, J. A., Aristizábal, O., Turnbull, D. H., & Lizzi, F. L. (2005). Design and fabrication of a 40-MHz annular array transducer. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 52(4), 672-81. https://doi.org/10.1109/tuffc.2005.1428050
Ketterling, Jeffrey A, et al. "Design and fabrication of a 40-MHz annular array transducer." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 52,4 (2005): 672-81. doi: https://doi.org/10.1109/tuffc.2005.1428050
Ketterling JA, Aristizábal O, Turnbull DH, Lizzi FL. Design and fabrication of a 40-MHz annular array transducer. IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Apr;52(4):672-81. doi: 10.1109/tuffc.2005.1428050. PMID: 16060516; PMCID: PMC1351293.
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Improved pyroelectric detectors for single crystal adsorption calorimetry from 100 to 350 K.

The Review of scientific instruments

Lew W, Lytken O, Farmer JA, Crowe MC, Campbell CT.
PMID: 20192507
Rev Sci Instrum. 2010 Feb;81(2):024102. doi: 10.1063/1.3290632.

The adsorption of atoms and molecules on single crystal surfaces allows one to produce well-characterized atomic, molecular, or dissociated adsorbates. Microcalorimetric measurement of the resulting adsorption energies, i.e., single crystal adsorption calorimetry, allows determination of the standard enthalpies of...

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Lew W, Lytken O, Farmer JA, et al. Improved pyroelectric detectors for single crystal adsorption calorimetry from 100 to 350 K. Rev Sci Instrum. 2010;81(2):024102doi: 10.1063/1.3290632.
Lew, W., Lytken, O., Farmer, J. A., Crowe, M. C., & Campbell, C. T. (2010). Improved pyroelectric detectors for single crystal adsorption calorimetry from 100 to 350 K. The Review of scientific instruments, 81(2), 024102. https://doi.org/10.1063/1.3290632
Lew, Wanda, et al. "Improved pyroelectric detectors for single crystal adsorption calorimetry from 100 to 350 K." The Review of scientific instruments vol. 81,2 (2010): 024102. doi: https://doi.org/10.1063/1.3290632
Lew W, Lytken O, Farmer JA, Crowe MC, Campbell CT. Improved pyroelectric detectors for single crystal adsorption calorimetry from 100 to 350 K. Rev Sci Instrum. 2010 Feb;81(2):024102. doi: 10.1063/1.3290632. PMID: 20192507.
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Development of a PVDF membrane hydrophone for use in air-coupled ultrasonic transducer calibration.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Galbraith W, Hayward G.
PMID: 18250002
IEEE Trans Ultrason Ferroelectr Freq Control. 1998;45(6):1549-58. doi: 10.1109/58.738294.

This work describes the use of a polyvinylidene fluoride (PVDF) membrane hydrophone for application in air-coupled transducer calibration. A one-dimensional theoretical analysis is used to demonstrate the potential and performance of PVDF as a hydrophone material over the frequency...

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Galbraith W, Hayward G. Development of a PVDF membrane hydrophone for use in air-coupled ultrasonic transducer calibration. IEEE Trans Ultrason Ferroelectr Freq Control. 1998;45(6):1549-58doi: 10.1109/58.738294.
Galbraith, W., & Hayward, G. (1998). Development of a PVDF membrane hydrophone for use in air-coupled ultrasonic transducer calibration. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 45(6), 1549-58. https://doi.org/10.1109/58.738294
Galbraith, W, and Hayward, G. "Development of a PVDF membrane hydrophone for use in air-coupled ultrasonic transducer calibration." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 45,6 (1998): 1549-58. doi: https://doi.org/10.1109/58.738294
Galbraith W, Hayward G. Development of a PVDF membrane hydrophone for use in air-coupled ultrasonic transducer calibration. IEEE Trans Ultrason Ferroelectr Freq Control. 1998;45(6):1549-58. doi: 10.1109/58.738294. PMID: 18250002.
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Electrospun carbon nanotubes-gold nanoparticles embedded nanowebs: prosperous multi-functional nanomaterials.

Nanotechnology

Kim TG, Ragupathy D, Gopalan AI, Lee KP.
PMID: 20208108
Nanotechnology. 2010 Apr 02;21(13):134021. doi: 10.1088/0957-4484/21/13/134021. Epub 2010 Mar 08.

Electrospinning was employed to prepare new multi-functional nanowebs. Cyclodextrin based inclusion complex (CD-IC) was used to disperse multiwalled carbon nanotubes (MWNT) within electrospun polyvinylidene fluoride nanofibrous membranes (PVdF-NFM). Subsequently, MWNT(CD-IC)/PVdF-NFM was loaded with gold (Au) particles. The morphology, structure...

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Kim TG, Ragupathy D, Gopalan AI, et al. Electrospun carbon nanotubes-gold nanoparticles embedded nanowebs: prosperous multi-functional nanomaterials. Nanotechnology. 2010;21(13):134021doi: 10.1088/0957-4484/21/13/134021.
Kim, T. G., Ragupathy, D., Gopalan, A. I., & Lee, K. P. (2010). Electrospun carbon nanotubes-gold nanoparticles embedded nanowebs: prosperous multi-functional nanomaterials. Nanotechnology, 21(13), 134021. https://doi.org/10.1088/0957-4484/21/13/134021
Kim, Tae-Gyung, et al. "Electrospun carbon nanotubes-gold nanoparticles embedded nanowebs: prosperous multi-functional nanomaterials." Nanotechnology vol. 21,13 (2010): 134021. doi: https://doi.org/10.1088/0957-4484/21/13/134021
Kim TG, Ragupathy D, Gopalan AI, Lee KP. Electrospun carbon nanotubes-gold nanoparticles embedded nanowebs: prosperous multi-functional nanomaterials. Nanotechnology. 2010 Apr 02;21(13):134021. doi: 10.1088/0957-4484/21/13/134021. Epub 2010 Mar 08. PMID: 20208108.
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Three dimensional finite element modeling of smart foam.

The Journal of the Acoustical Society of America

Leroy P, Atalla N, Berry A, Herzog P.
PMID: 20000900
J Acoust Soc Am. 2009 Dec;126(6):2873-85. doi: 10.1121/1.3238241.

The "smart foam" concept and design originate from the combination of the passive dissipation capability of foam in the medium and high frequency ranges and the active absorption ability of piezoelectric actuator (generally polyvinylidene fluoride) in the low frequency...

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Leroy P, Atalla N, Berry A, et al. Three dimensional finite element modeling of smart foam. J Acoust Soc Am. 2009;126(6):2873-85doi: 10.1121/1.3238241.
Leroy, P., Atalla, N., Berry, A., & Herzog, P. (2009). Three dimensional finite element modeling of smart foam. The Journal of the Acoustical Society of America, 126(6), 2873-85. https://doi.org/10.1121/1.3238241
Leroy, Pierre, et al. "Three dimensional finite element modeling of smart foam." The Journal of the Acoustical Society of America vol. 126,6 (2009): 2873-85. doi: https://doi.org/10.1121/1.3238241
Leroy P, Atalla N, Berry A, Herzog P. Three dimensional finite element modeling of smart foam. J Acoust Soc Am. 2009 Dec;126(6):2873-85. doi: 10.1121/1.3238241. PMID: 20000900.
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Carbon nanotube photo-thermo-mechanical actuator.

Journal of nanoscience and nanotechnology

Nagar R, Teki R, Srivastava I, Singh JP, Koratkar N.
PMID: 21456122
J Nanosci Nanotechnol. 2011 Feb;11(2):935-40. doi: 10.1166/jnn.2011.3104.

Carbon nanotubes show a remarkable tendency for direct (rapid) temperature increase of the order of hundreds of degrees when exposed to near infra-red light. The reason is local confinement of the heat wave in their 1D structure which generates...

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Nagar R, Teki R, Srivastava I, et al. Carbon nanotube photo-thermo-mechanical actuator. J Nanosci Nanotechnol. 2011;11(2):935-40doi: 10.1166/jnn.2011.3104.
Nagar, R., Teki, R., Srivastava, I., Singh, J. P., & Koratkar, N. (2011). Carbon nanotube photo-thermo-mechanical actuator. Journal of nanoscience and nanotechnology, 11(2), 935-40. https://doi.org/10.1166/jnn.2011.3104
Nagar, Rupali, et al. "Carbon nanotube photo-thermo-mechanical actuator." Journal of nanoscience and nanotechnology vol. 11,2 (2011): 935-40. doi: https://doi.org/10.1166/jnn.2011.3104
Nagar R, Teki R, Srivastava I, Singh JP, Koratkar N. Carbon nanotube photo-thermo-mechanical actuator. J Nanosci Nanotechnol. 2011 Feb;11(2):935-40. doi: 10.1166/jnn.2011.3104. PMID: 21456122.
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Synergistic effects of zirconia-coated carbon nanotube on crystalline structure of polyvinylidene fluoride nanocomposites: electrical properties and flame-retardant behavior.

Langmuir : the ACS journal of surfaces and colloids

Pal K, Kang DJ, Zhang ZX, Kim JK.
PMID: 19908892
Langmuir. 2010 Mar 02;26(5):3609-14. doi: 10.1021/la903022j.

Pristine multiwalled carbon nanotubes (MWNTs) and zirconia-coated multiwalled carbon nanotubes (ZrO(2)/MWNTs) by isothermal hydrolysis and the traditional chemical precipitation method have been dispersed into polyvinylidene fluoride (PVDF) copolymer by solution mixing in N,N-dimethylformamide (DMF). The effect of ZrO(2)-coated MWNTs...

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Pal K, Kang DJ, Zhang ZX, et al. Synergistic effects of zirconia-coated carbon nanotube on crystalline structure of polyvinylidene fluoride nanocomposites: electrical properties and flame-retardant behavior. Langmuir. 2010;26(5):3609-14doi: 10.1021/la903022j.
Pal, K., Kang, D. J., Zhang, Z. X., & Kim, J. K. (2010). Synergistic effects of zirconia-coated carbon nanotube on crystalline structure of polyvinylidene fluoride nanocomposites: electrical properties and flame-retardant behavior. Langmuir : the ACS journal of surfaces and colloids, 26(5), 3609-14. https://doi.org/10.1021/la903022j
Pal, Kaushik, et al. "Synergistic effects of zirconia-coated carbon nanotube on crystalline structure of polyvinylidene fluoride nanocomposites: electrical properties and flame-retardant behavior." Langmuir : the ACS journal of surfaces and colloids vol. 26,5 (2010): 3609-14. doi: https://doi.org/10.1021/la903022j
Pal K, Kang DJ, Zhang ZX, Kim JK. Synergistic effects of zirconia-coated carbon nanotube on crystalline structure of polyvinylidene fluoride nanocomposites: electrical properties and flame-retardant behavior. Langmuir. 2010 Mar 02;26(5):3609-14. doi: 10.1021/la903022j. PMID: 19908892.
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Low-noise wideband ultrasound detection using polymer microring resonators.

Applied physics letters

Huang SW, Chen SL, Ling T, Maxwell A, O'Donnell M, Guo LJ, Ashkenazi S.
PMID: 19479044
Appl Phys Lett. 2008 May 12;92(19):193509-1935093. doi: 10.1063/1.2929379. Epub 2008 May 15.

Polymer microring resonators for low-noise, wideband ultrasound detection are presented. Using a nanoimprinting technique, we fabricated polymer microring resonators with a quality factor of 6000 resulting in high sensitivity to ultrasound. A noise-equivalent pressure of 0.23 kPa over 1-75...

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Huang SW, Chen SL, Ling T, et al. Low-noise wideband ultrasound detection using polymer microring resonators. Appl Phys Lett. 2008;92(19):193509-1935093doi: 10.1063/1.2929379.
Huang, S. W., Chen, S. L., Ling, T., Maxwell, A., O'Donnell, M., Guo, L. J., & Ashkenazi, S. (2008). Low-noise wideband ultrasound detection using polymer microring resonators. Applied physics letters, 92(19), 193509-1935093. https://doi.org/10.1063/1.2929379
Huang, Sheng-Wen, et al. "Low-noise wideband ultrasound detection using polymer microring resonators." Applied physics letters vol. 92,19 (2008): 193509-1935093. doi: https://doi.org/10.1063/1.2929379
Huang SW, Chen SL, Ling T, Maxwell A, O'Donnell M, Guo LJ, Ashkenazi S. Low-noise wideband ultrasound detection using polymer microring resonators. Appl Phys Lett. 2008 May 12;92(19):193509-1935093. doi: 10.1063/1.2929379. Epub 2008 May 15. PMID: 19479044; PMCID: PMC2682739.
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Showing 25 to 36 of 731 entries