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Title: Devolopment of focused IVUS transducer using PMN-PT single crystal : single-element focused IVUS transducer
Authors: Guo, F
Liu, C
Yang, Y
Sun, L 
Yang, B
Chen, Y
Dai, J 
Keywords: PMN-PT single crystal
Focused IVUS transducer
Mechanical dimpling technique
Issue Date: 2014
Publisher: IEEE
Source: Paper presented at the IEEE International Ultrasonics Symposium, IUS, 97-100 How to cite?
Abstract: The PMN-PT based high-frequency side-looking focused IVUS transducers were fabricated successfully by a mechanical dimpling technique and their performance was tested. Compared to the flat transducer, the focused transducer with 31 MHz center frequency showed superior -6 dB bandwidth (52%) and axial/lateral resolutions (29/470 μm). However, the average insertion loss of focused transducer at 35 MHz is around -21.53 dB which is little higher than that of flat one with -18.12 dB at 32 MHz. The improved imaging resolutions, especially axial resolution, can give more detailed vessel microstructure information on vulnerable atherosclerosis compared to conventional transducer. These results show that side-looking dimpled focused IVUS transducers are promising for IVUS medical imaging in vulnerable plaque diagnosis.
DOI: 10.1109/ULTSYM.2014.0025
Rights: © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following publication "Guo, F., Liu, C., Yang, Y., Sun, L., Yang, B., Chen, Y., & Dai, J. (2014). Devolopment of focused IVUS transducer using PMN-PT single crystal: Single-element focused IVUS transducer. Paper presented at the IEEE International Ultrasonics Symposium, IUS, 97-100. " is available at
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