Defining laser-beam power density. Power spectral density (PSD) is the measure of a signal's power content versus frequency. PSD gives designers an idea of how the power of a signal is distributed ...

The concept of Power Spectral Density (PSD) is extremely beneficial when specifying optics of various types, with PSD proving to be a useful metric in laser fusion and other extreme application spaces ...

Efficiency and power density are persistent challenges in high-current applications, particularly as systems become more ...

How nanogenerators are used to harvest power. How inductive power-transfer systems deliver high power density. What unique applications targeting consumers and the industry at large are leveraging ...