What tool is required to verify laser radiation levels accurately?

The appropriate tool to accurately verify laser radiation levels is a calibrated laser power meter. This device is specifically designed to measure the power or energy output of lasers, providing precise readings of the laser's intensity. Calibration ensures that the meter has been tested against a recognized standard, which enhances the accuracy and reliability of the measurements obtained.

Using a calibrated laser power meter is essential for assessing compliance with safety standards, evaluating potential hazards, and ensuring proper laser operation within established parameters. This precision is critical in various environments, especially those involving laser use in medical, industrial, and research applications, where unmeasured radiation could pose serious safety risks.

In contrast, a standard ruler does not provide any information about laser radiation levels, as it merely measures distance. An intensity graph may provide a representation of changes in intensity but does not measure actual radiation levels. Visual inspections can help identify hazards or anomalies but lack the quantifiable data necessary to ascertain laser radiation levels accurately.