Twisted Photons: Applications of Light with Orbital Angular Momentum (Google eBook)
Juan P. Torres, Lluis Torner
John Wiley & Sons, Mar 31, 2011 - Science - 288 pages
This book deals with applications in several areas of science and technology that make use of light which carries orbital angular momentum. In most practical scenarios, the angular momentum can be decomposed into two independent contributions: the spin angular momentum and the orbital angular momentum. The orbital contribution affords a fundamentally new degree of freedom, with fascinating and wide-spread applications. Unlike spin angular momentum, which is associated with the polarization of light, the orbital angular momentum arises as a consequence of the spatial distribution of the intensity and phase of an optical field, even down to the single photon limit. Researchers have begun to appreciate its implications for our understanding of the ways in which light and matter can interact, and its practical potential in different areas of science and technology.
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Allen amplitude angle atoms axis Bessel beam BoseEinstein condensate Bragg diffraction circularly polarized coherent component corresponding Courtial density Dholakia diffraction electromagnetic energy entanglement equations experimental fiber Figure filter Fourier Gaussian beam Heckenberg helically phased beams hologram intensity interaction interference LaguerreGaussian laser laser beam Lett LG beam LG mode light beam light field linear momentum liquid crystals macroscopic superpositions measurement microrotor molecular momentum of light momentum transfer Nieminen nonlinear OAM transfer object offaxis ofthe ofthe beam onaxis optical field optical torque optical trap optical tweezers optical vortex cat orbital angular momentum Padgett paraxial paraxial approximation particles persistent flows photon photopolymerization Phys plane wave POAM Poynting vector propagation pulse quantum quantum superposition radius ray optics rotation rotor RubinszteinDunlop scattering single photon spatial spin and orbital spin angular momentum stress tensor structure symmetry torque torque efficiency transverse twophoton vortices wave fronts winding number