IdealPhotonics' optical power meter tutorial systematically explains the principles, operating procedures (such as probe selection/calibration), typical application scenarios (such as fiber loss testing), and data analysis methods of optical power meters. Through a three-dimensional analysis of theory, practice, and case studies, it helps users master optical power measurement technology from beginner to expert.Concise and practical, it covers calibration, wavelength matching, unit switching, and safe operation, helping users quickly master optical power measurement skills and ensure accurate detection.