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Optical waves in crystals by Yariv A., Yeh P.

Optical waves in crystals Yariv A., Yeh P. ebook
Format: djvu
Page: 601
ISBN: 0471091421, 9780471091424
Publisher: Wiley

Examples of such materials are photonic crystals, which are periodic structures that affect the motion of light in much the same way as crystalline solids affect the flow of electrons. For disordered structures, random light scattering and interference can produce an effect called localization, in which a light wave becomes "stuck" in closed paths inside the material, bouncing back and forth in complex looping paths called "modes". This effect can occur only if the structure of the material is anisotropic, so that the material's optical properties are not the same in all directions. The units of the optical intensity (or light intensity) are W/m2 or (more commonly) W/cm2. Claus., Semiconductor Optics, 2nd ed., Springe, New York, 2004. Further understanding of the microfabricated optical wave plate may be obtained by considering examples of its operation. Describes how laser radiation propagates in natural and artificial materials and how the state of radiation can be controlled and manipulated (phase intensity, polarization) by various means. The team fired microwaves at one end of a crystal, which instead of heating up, stayed cool. The first part is about the elementary topics on optics and photonics wherein beam optics, Fourier optics, electromagnetic optics, polarization and crystal optics, guided wave optics, statistical optics are discussed. The intensity is the product of photon energy and photon flux. Coherent Optical Photons from Shock Waves in Crystals To our knowledge, this phenomenon represents a fundamentally new form of coherent optical radiation source that is distinct from lasers and free-electron lasers. Heat normally flows from hot to cold, but now physicists in Japan and Germany have shown that spin waves can reverse the flow. By submerging a new type of zinc oxide crystal in water, the scientists claim to be able to harvest hydrogen using vibrations from passing traffic and crashing waves.