Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Zhile Han"'
Publikováno v:
IEEE Access, Vol 8, Pp 109241-109248 (2020)
Endoscopic transducer with small size and high frequency has been widely studied and applied in medical ultrasound imaging. However, attenuation affects high frequency ultrasound waves to a greater degree than lower frequency waves, which results in
Externí odkaz:
https://doaj.org/article/885ae045b13c4d7ab7247e1960351350
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
In this study, an ultrasonic phased-array transducer was proposed, which could effectively improve the imaging performance by using 1–3 piezocomposite. The piezocomposite consists of PZT and epoxy, with a pitch of 70 μm, kerf of 20 μm, and thickn
Externí odkaz:
https://doaj.org/article/f1e21c0a7dfc461c96dfa5a41d2d609d
Autor:
Chen Yang, Xiaohua Jian, Xinle Zhu, Jiabing Lv, Yang Jiao, Zhile Han, Antonios Stylogiannis, Vasilis Ntziachristos, George Sergiadis, Yaoyao Cui
Publikováno v:
Sensors, Vol 20, Iss 3, p 766 (2020)
Photoacoustic (PA) imaging is a hybrid imaging technique that can provide both structural and functional information of biological tissues. Due to limited permissible laser energy deposited on tissues, highly sensitive PA imaging is required. Here, w
Externí odkaz:
https://doaj.org/article/a9d50c3345384fb18c15dd196fd66991
High Frequency Mechanical Scanning Ultrasound Imaging System with High Precision Motion Compensation
Publikováno v:
2022 16th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA).
Publikováno v:
IEEE Sensors Journal. 21:13137-13145
High-speed mechanical rotation scanning is the main imaging method of current high-frequency internal ultrasound. Due to uneven drag on the catheter driveshaft leading to changes in the rotational speed, Nonuniform rotational deformity (NURD) is crit
Autor:
Xinle Zhu, Xiaohua Jian, Zhangjian Li, Yaoyao Cui, Jiabing Lv, Xu Jie, Ninghao Wang, Zhile Han
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 68:2219-2226
In this article, a PZT/Epoxy 1-3 piezoelectric composite based on picosecond laser etching technology is developed for the fabrication of high-frequency ultrasonic transducer. The design, fabrication, theoretical analysis, and performance of the piez
Publikováno v:
IEEE Access, Vol 8, Pp 109241-109248 (2020)
Endoscopic transducer with small size and high frequency has been widely studied and applied in medical ultrasound imaging. However, attenuation affects high frequency ultrasound waves to a greater degree than lower frequency waves, which results in
Publikováno v:
IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 69(6)
High-frequency endoscopic ultrasound (HFEUS) imaging is an important tool commonly used in clinical practice for imaging hollow organs. The virtual source synthetic aperture (VSSA) method is effective in improving the imaging quality of HFEUS. Howeve
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
In this study, an ultrasonic phased-array transducer was proposed, which could effectively improve the imaging performance by using 1–3 piezocomposite. The piezocomposite consists of PZT and epoxy, with a pitch of 70 μm, kerf of 20 μm, and thickn
Publikováno v:
Applied Acoustics. 188:108540