Frequency in laser operations is measured in what unit?

Frequency in laser operations refers to the number of oscillations or cycles that occur in a given time period for a wave, including the electromagnetic waves produced by lasers. The unit of measurement for frequency is Hertz, which represents one cycle per second. This is clearly relevant in laser operations, as the characteristics of laser light, such as its spectral properties and interaction with matter, are closely tied to its frequency.

In understanding laser emissions, the frequency determines the color of the light emitted. High-frequency lasers emit shorter wavelengths, while low-frequency lasers emit longer wavelengths. Therefore, knowing that laser frequency is quantified in Hertz helps contextualize how lasers behave and interact with different materials in practical applications.