光存储系统建模的双向光束传播方法

International Conference on Holography, Optical Recording, and Processing of Information Pub Date : 2006-05-20 DOI:10.1117/12.677018

R. Petruskevicius

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引用次数: 1

摘要

针对入射光束的二维几何和TE偏振，提出了一种适合于高NA近场和全息光存储系统建模的非傍轴双向光束传播方法。为了在近场光学中利用复平面的极零位移对倏逝场进行正确的近似，引入了复Pade近似。应用双向光束传播方法研究了多模波导近场聚焦系统和体全息光栅的广角光束布拉格反射。

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Bidirectional beam propagation method for modeling optical storage systems

The nonparaxial and bidirectional beam propagation method suitable for modelling high NA near-field and holographic optical storage systems is suggested for 2D geometry and TE polarization of the incident light beam. The complex Pade approximants are introduced for correct approximation of evanescent field in the near-field optics using pole-zero shifting in the complex plane. The application of bidirectional beam propagation method to study the multimode waveguide near-field focusing system and wide-angle beam Bragg reflection from volume holographic grating is considered.

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International Conference on Holography, Optical Recording, and Processing of Information

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