OpticsI-01-Intro复习课程.pptVIP

Optics I: Introduction;The History of Optics;Optics in Ancient History ;Ancient Greeks: Ancient light weapons;Optics in the Middle Ages: Alhazen ;Optics in early 17th-century Europe;Johannes Kepler;Willibrord Snell;Christiaan Huygens ;Isaac Newton;18th and 19th century Optics:Euler, Young, and Fresnel;James Clerk Maxwell;Maxwell’s equations simplify to the wave equation for the electric field.;Light is an electromagnetic wave.;Michelson Morley;Albert Einstein;The interaction of light and matter;Absorption of light varies massively.;Variation of the refractive index with wavelength (dispersion) causes the beautiful prismatic effects we know and love.;Rainbows result from refraction andreflection of sunlight in water droplets.;An interesting question is what happensto light when it encounters a surface.;Light beams can interfere with each other: Two point sources…;Light beams can be intentionally made to interfere with each other.;Often, they do so by themselves.;Fourier decomposing functions plays a big role in optics.;It converts a function of time to one of frequency:;Diffraction;Light is not only a wave, but also a particle.;The Laser;Electromagnetism is linear: The principle of Superposition holds.;Nonlinear Optics produces many exotic effects.;Ultrashort laser pulses are theshortest events ever created.;