In this article, we present an overview of recent progress in non-contact remote optical
detection of ultrasound in application to nondestructive testing and evaluation of materials …

Liquid crystals offer an unique versatile platform for optical applications and light
manipulation. Indeed, besides the well-known realization of liquid crystal displays, liquid …

Results of the analysis of acoustic-emission signals generated due to ultrasonic waves
propagating in a polymer composite material and registered with piezoelectric and fiber …

We introduce an improved non-destructive and non-contact measurement technique for the
hardness penetration depth of thermally hardened steel parts based on all-optical laser …

We investigated laser-induced shock excitation of elastic surface waves at a free surface
and a soft solid–liquid interface using a custom-designed photoelasticity imaging technique …

Sagnac fiber interferometer with the dynamic population grating formed in the rare-earth
doped fiber is proposed for homodyne adaptive detection of optical phase modulation. The …

In this paper we report on remote three‐dimensional photoacoustic imaging without the
need for a coupling agent or other aids (eg detector foils) by utilizing a two‐wave mixing …

To meet the need of high-sensitivity crack detection in metallic structures with a contactless
method, a differential two-wave mixing interferometer based on two nonlinear Bi 12 SiO 20 …

In this paper, we review photonic methods and technologies that are promising for
monitoring the ocean and atmosphere and have been implemented mainly in recent years …

By performing two-wave mixing experiments in a liquid crystal light-valve, optical beam
amplification is obtained as a strongly resonant process to which a narrow frequency …