In what units is laser power typically described?

Laser power is typically described in milliwatts (mW) or watts (W), making this the correct choice. This unit of measurement indicates the rate at which energy is produced or consumed by the laser. In laser therapy, understanding power output is crucial because it directly correlates with the effectiveness of treatment. Higher power levels can penetrate tissues more effectively, while lower power levels are often used for more delicate procedures.

The other options refer to different types of measurements. Amperes measure electric current, which is not a direct reflection of how power operates in a laser system. Pascals are a unit of pressure, often associated with fluid dynamics or material strength but irrelevant in the context of laser power. Milliamperes are also a unit of electric current, similar to amperes, and do not provide the necessary information about the power output of a laser. Therefore, the choice of milliwatts or watts is the standard for indicating laser power and is essential for understanding its application in laser therapy.