Covers the basics of laser operation, including light-atom interaction and resonator design, discussing the quantum vs classical view of the atom and stimulated emission.
Explores laser ablation, bending, and welding techniques, including the principles of laser ablation and the application of different types of lasers in materials processing.
Covers the nature of electromagnetic waves, including plane waves and photons, their wavelength, period, and dispersion relationship, and the electromagnetic spectrum.
Explores wave properties, including constant phase surfaces and field polarization, in time and frequency domains, highlighting the importance of peak speed and dispersion relation.
