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Orbital Angular Momentum States of Light provides an in-depth introduction to modelling of long-range propagation of orbital angular momentum (OAM) modes as well as more general structured light beams through atmospheric turbulence. Starting with angular spectrum method for diffraction and description of structured light states, the book discusses the technical details related to wave propagation through atmospheric turbulence. The review of historical as well as more recent ideas in this topical area, along with computer simulation codes, makes this book a useful reference to researchers and optical engineers interested in developing and testing of free-space applications of OAM states of light.
Key Features
- Includes modelling of long-range propagation using the angular spectrum approach
- Presents basic description of turbulence propagation using single or multi-phase screen models
- Provides information on advanced topics such as propagation polarization of singularities through turbulence
- Provides discussion on the spiral phase quadrature transform and its application for robust beam engineering
- Includes accompanying open-source software code snippets for modelling the propagation of scalar and vector beams through turbulence
Kedar Khare is currently an Associate Professor in the Department of Physics, Indian Institute of Technology Delhi, India. His research interests include problems in computational optical imaging. In recent years he has been actively engaged in pursuing research work on quantitative phase imaging, Fourier phase retrieval, computational microscopy, diagnostic imaging, cryo-EM imaging and structured light propagation in turbulence.
Priyanka Lochab is currently a Research Associate in the Department of Physics, Indian Institute of Technology Delhi, India. Her research career in optics began in 2013 when she joined IIT Delhi as a graduate student. Her major research interests are singular optics, beam propagation through random media and computational imaging.
Paramasivam Senthilkumaran is currently working as a full Professor in the Department of Physics, Indian Institute of Technology Delhi, India. His research interests are optical beam shaping, optical phase singularities, Berry and Pancharatnam topological phases, fiber optics, holography, non-destructive testing techniques, shear interferometry, Talbot interferometry, speckle metrology and non-linear optics.