Untimely machinery breakdown will incur significant losses, especially to the manufacturing
company as it affects the production rates. During operation, machines generate vibrations …

Recent advances in understanding the importance of respiratory frequency (f R) as a
sensitive marker of a variety of physiopathological stressors are fostering growing interest in …

The conventional modal analysis involves physically-attached wired or wireless sensors for
vibration measurement of structures. However, this method has certain disadvantages …

Control over the intensity, shape, direction and phase of coherent light is essential in
numerous fields, from gravitational wave astronomy, quantum metrology and ultrafast …

The damage identification process provides relevant information about the current state of a
structure under inspection, and it can be approached from two different points of view. The …

Contactless structural monitoring has in recent years seen a growing number of applications
in civil engineering. Indeed, the elimination of physical installations of sensors is very …

Photonics | Free Full-Text | Hybrid Integrated Semiconductor Lasers with Silicon Nitride
Feedback Circuits Next Article in Journal Numerical Study of Resonant Optical Parametric …

Sensors are devices or systems able to detect, measure and convert magnitudes from any
domain to an electrical one. Using light as a probe for optical sensing is one of the most …

Vibration sensors greatly benefit medical and healthcare monitoring, environmental
monitoring, and structural health monitoring. However, most of them are shadowed by …

The ongoing pursuit of space and hypersonic flight continues to expose critical gaps in the
understanding of material behavior under hypervelocity impact (HVI) and hypersonic flow …