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Download Laser Beam Propagation in Nonlinear Optical Media by Shekhar Guha PDF

By Shekhar Guha

Laser Beam Propagation in Nonlinear Optical Media offers a suite of expressions, equations, formulation, and derivations utilized in calculating laser beam propagation via linear and nonlinear media that are worthy for predicting experimental results.

The authors deal with gentle propagation in anisotropic media, oscillation instructions of the electrical box and displacement vectors, the walk-off angles among the Poynting and propagation vectors, and potent values of the d coefficient for biaxial, uniaxial, and isotropic crystals.

They delve into recommendations of the coupled 3 wave blending equations for varied nonlinear optical procedures, together with quasi-phase matching and optical parametric oscillation, and talk about focusing results and numerical thoughts used for beam propagation research in nonlinear media, and part retrieval approach. The publication additionally comprises examples of MATLAB and FORTRAN machine courses for numerical evaluations.

An perfect source for college kids taking graduate point classes in nonlinear optics, Laser Beam Propagation in Nonlinear Optical Media is usually used as a reference for practising pros.

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In biaxial crystals, (defined by the condition εX = εY = εZ ), there are two special directions called the directions of the optic axes such that if k is parallel to an optic axis, the D and E vectors are parallel and they can lie in any direction as long as they are restricted to the plane perpendicular to k. Thus, for light propagation with k along the optic axes, the anisotropic medium behaves as an isotropic medium. It will be shown later that in biaxial crystals the two optic axes lie on the XZ principal plane, with the Z axis the bisector of the angle between the optic axes, and the tangent of the angle between the two axes is proportional to n2X − n2Y .

Jean Wei for constant help, support and encouragement. They also thank their collaborators Prof. Qin Sheng at Baylor University, especially for help with the numerical methods, Dr. Zhi Gang Yu at SRI for help with Fortran programming, especially the FFT code and Peter Schunemann at BAE not just for the nonlinear optical materials including OPGaAs that he provided but also for his expert advice on general crystallographic matters. Finally, they thank the Air Force Research Laboratory for providing the stimulating research environment which made this work possible.

Acknowledgements SG thanks his wife Sudeshna for all the support she provided during the writing of this book and without which it could not be written. It was a labor of love for him but meant considerable sacrifice on her part. SG also thanks his many teachers and colleagues who taught and helped him along in his career, especially Prof. Joel Falk at University of Pittsburgh, Prof. Martin Gundersen at the University of Southern California, and Profs. Eric W. J. Soileau at the University of Central Florida.

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