Laser ultrasonic testing (LUT) technology is one of the most powerful techniques in the field
of non-destructive testing (NDT) or structural health monitoring (SHM). Contactless …

The application of molecular and cellular imaging in ophthalmology has numerous benefits.
It can enable the early detection and diagnosis of ocular diseases, facilitating timely …

Extending the service life of ageing infrastructure, transportation structures, and processing
and manufacturing plants in an era of limited resources has spurred extensive research and …

In the field of modern nondestructive testing (NDT), laser ultrasonic detection (LUD)
technology has become a remarkable novel technology with its advantages of high-cost …

Understanding contact mechanics and adhesion processes in thin films and micro-
structured materials is fundamental in phonon and heat transport phenomena and is …

Laser ultrasound array scanning imaging has extremely high flexibility in space
arrangement and scanning parameter adjustment. However, a major challenge is how to …

This study reports an imaging method for gigahertz surface acoustic waves in transparent
layers using infrared subpicosecond laser pulses in the ablation regime and an optical …

The internal ultrasonic field of an acousto-optic crystal determines the effects of acousto-
optic modulator (AOM) devices. Conventionally, schlieren method is used for the …

Many production processes involve curved sample surfaces, such as welding or additive
manufacturing. These pose new challenges to characterization methods for quality …

Laser ultrasonics is a noncontact measurement method that uses a laser-induced elastic
wave source in combination with an optical surface displacement-tracking system. This …