Reflection and transmission of Laguerre Gaussian beam from uniaxial anisotropic multilayered media |
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| Affiliation: | 1.School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China;2.Collaborative Innovation Center of Information Sensing and Understanding at Xidian University, Xi'an 710071, China |
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| Abstract: | Based on angular spectrum expansion and 4×4 matrix theory, the reflection and transmission characteristics of a Laguerre Gaussian (LG) beam from uniaxial anisotropic multilayered media are studied. The reflected and transmitted beam fields of an LG beam are derived. In the case where the principal coordinates of the uniaxial anisotropic media coincide with the global coordinates, the reflected and transmitted beam intensities from a uniaxial anisotropic slab and three-layered media are numerically simulated. It is shown that the reflected intensity components of the incident beam, especially the TM polarized incident beam, are smaller than the transmitted intensity components. The distortion of the reflected intensity component is more evident than that of the transmitted intensity component. The distortion of intensity distribution is greatly affected by the dielectric tensor and the thickness of anisotropic media. We finally extend the application of the method to general anisotropic multilayered media. |
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| Keywords: | Laguerre Gaussian beam reflection and transmission uniaxial anisotropic multilayered media |
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