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Analytic propagation matrix method for anisotropic magneto-optic layered media

✍ Scribed by Abdulhalim, I

Book ID
121194396
Publisher
Institute of Physics
Year
2000
Tongue
English
Weight
245 KB
Volume
2
Category
Article
ISSN
1464-4258

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✦ Synopsis

Simplified analytic expressions are derived for the optical propagation matrix of magnetic anisotropic Kerr media using the Lagrange-Sylvester interpolation polynomial. This expression is used to investigate magnetic Kerr films in Fabry-PΓ©rot configurations, magneto-optic recording quadrilayers and alternating periodic stacks. It is found that the magneto-optic reflection coefficients are enhanced by a few orders of magnitude due to multiple reflections. Bragg-type reflection peaks from periodic structure appear solely due to the gyrotropy and it is shown that omnidirectional reflection is possible under certain conditions. This analytic approach is faster than using direct numerical calculation.

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The numerical instability problem in the standard transfer matrix method has been resolved by introducing the layer stiffness matrix and using an efficient recursive algorithm to calculate the global stiffness matrix for an arbitrary anisotropic layered structure. For general anisotropy the computat