SEVERAL methods for studying surface vibration modes using holography have recently been developed 1–3. These effectively contour the surface with interference fringes, which delineate points of equal ...

Today, a growing number of micro-manufactured actuators, sensors, and components vibrate at frequencies in the high MHz range. Some examples of such high-frequency vibrating systems are ...

The World Health Organization reports that 360 million people worldwide are affected by hearing loss, generally caused by disease, accidents or damage to middle-ear structures. Researchers at ...

3D non-contact surface analysis is used extensively across the industry to measure surface irregularities and small displacements – it provides accurate, traceable and repeatable measurements. When ...

Aims: To investigate alternative relations between cumulative exposures to hand-transmitted vibration (taking account of vibration magnitude, lifetime exposure duration, and frequency of vibration) ...