[HTML][HTML] High temperature thickness measurements of stainless steel and low carbon steel using electromagnetic acoustic transducers
SE Burrows, Y Fan, S Dixon - Ndt & E International, 2014 - Elsevier
Thickness measurements were made on steel pipe at high temperatures using a non-
contact watercooled EMAT (electromagnetic acoustic transducer) and also a laser-EMAT …
contact watercooled EMAT (electromagnetic acoustic transducer) and also a laser-EMAT …
Laser ultrasonic imaging of submillimeter defect in a thick waveguide using entropy-polarized bilateral filtering and minimum variance beamforming
Recent quantum leap in far-field laser techniques has advanced noncontact implementation
of nondestructive ultrasonic imaging, in pursuit of enhanced accessibility, detectability and …
of nondestructive ultrasonic imaging, in pursuit of enhanced accessibility, detectability and …
A study of internal defect testing with the laser-EMAT ultrasonic method
C Pei, T Fukuchi, H Zhu, K Koyama… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
This paper studies the ultrasonic detection and evaluation of internal volume defects in
metals using laser generation and electromagnetic acoustic transducer (EMAT) detection. A …
metals using laser generation and electromagnetic acoustic transducer (EMAT) detection. A …
Study on the Laser-EMAT integrated system for simultaneously measuring the width and depth of metal plate
W Yuan, Z Liu, Y Li, J Huo, Y Wang - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
A non-contact Laser-EMAT integrated system (LEIS) that uses a pulse laser as a generator
and an Electromagnetic acoustic transducer (EMAT) as a detector is proposed. To explain …
and an Electromagnetic acoustic transducer (EMAT) as a detector is proposed. To explain …
Improving the signal amplitude of meandering coil EMATs by using ribbon soft magnetic flux concentrators (MFC)
This paper presents a new method of improving the ultrasonic signal amplitude from a
meander line EMAT by using soft magnetic alloy ribbon (Fe60Ni10V10B20) as a magnetic …
meander line EMAT by using soft magnetic alloy ribbon (Fe60Ni10V10B20) as a magnetic …
Inspection of cracks using laser-induced ultrasound with shadow method: Modeling and validation
C Pei, K Demachi, H Zhu, T Fukuchi, K Koyama… - Optics & Laser …, 2012 - Elsevier
A numerical model based on the finite element method (FEM) is developed for crack
inspection using laser-induced ultrasonic waves with the shadow method. Before the …
inspection using laser-induced ultrasonic waves with the shadow method. Before the …
Optical fiber pressure sensor with uniform diaphragm and method of fabricating same
W Wang, XV Wang, K Sun, N Wu - US Patent 9,528,893, 2016 - Google Patents
An optical fiber sensor (100) can be used to measure pressure with high sensitivity and fine
resolution. As a (108) at the end of the sensor expands or contracts, the spectrum of a beam …
resolution. As a (108) at the end of the sensor expands or contracts, the spectrum of a beam …
[HTML][HTML] 超外差接收相敏检波在电磁超声检测中的应用
周正干， 黄凤英， 倪先胜 - 北京航空航天大学学报, 2011 - bhxb.buaa.edu.cn
为了提高电磁超声检测接收信号的信噪比, 研究和设计了基于超外差接收正交相敏检波技术的
电磁超声检测系统. 应用该系统分别对铝合金, 碳钢和不锈钢试样进行了检测 …
电磁超声检测系统. 应用该系统分别对铝合金, 碳钢和不锈钢试样进行了检测 …
A wavelength-division-multiplex depolarized Sagnac-based interferometer for noise suppression
B Zhang, X He, M Zhang, Z Cai, F Wang… - Optics …, 2024 - Elsevier
The Sagnac-based interferometer (SI) has been developed over several decades and is
widely recognized for its sensitivity and stability. Most SIs utilize polarization-maintaining …
widely recognized for its sensitivity and stability. Most SIs utilize polarization-maintaining …
Photoacoustic probe
XV Wang, N Wu - US Patent 9,587,976, 2017 - Google Patents
(57) ABSTRACT A photoacoustic transducer, such as a photoacoustic probe includes an
optical fiber, diaphragm, at the optical fiber, whereby the optical fiber and diaphragm define …
optical fiber, diaphragm, at the optical fiber, whereby the optical fiber and diaphragm define …