Lecture 2: Energy Sources and Radiometric Principles

2.1 Introduction and Objectives

2.2 The Electromagnetic Spectrum

• 2.21 Definition
• 2.22 Units of Wavelength

2.3 Wave Definitions

• 2.31 Wave Description of Electromagnetic Radiation
• 2.32 Definitions
• amplitude
• wavelength
• period
• frequency
• velocity
• 2.33 Particle (quantum) Description of Electromagnetic Radiation

2.4 Energy Sources

• 2.41 Passive Sources
• 2.42 Active Sources
• 2.43 Transformation mechanisms

2.5 Radiation Principles

• 2.51 The Blackbody Model
• 2.52 Plank's Radiation Law
• 2.53 Wien's Displacement Law
• 2.54 Stefan-Boltzmann's Law

2.6 Review Questions