The displacement field is mesaured by using He-Ne laser speckle photography.

A special Laser speckle photography system, by which the heat flux distribution of small objects along their width and height can be measured simultaneously has been developed.

The annular aperture white light speckle photography used for measuring deformation and displacement of objects is proposed for the first time.

A new method for the diagnostics of the welding arc temperature fields is studiedon the basis of Plasma physics,laser speckle photography.

Numerical display of inplane displacement measurement by electronic speckle photography is described.

In this paper a new idea of electronic speckle photography is first proposed.

A new technology of digital speckle photography is presented.

In this paper, the speckle photograph technique is used for the formation of image of objects through scattering media.

The dynamic tooling process of the planer tool is measured by means of speckle photography.

Measurement of thermal displacement of welding points for differental metals by laser speckle photography;

Measuring heating stress of metal material at the welding points by using one beam laser speckle interferometry;

The measurement of metal material welding flaws by method of laser speckle;