两种方式记录的体全息图偏振特性的分析

Analysis of Polarization Propenties of Volume Hologram Recording with Two Methods

本文用三维衍射光栅和琼斯矩阵理论分析了两种方式记录的体全息图的光学特性和其出射光的偏振待性。分析表明,用互相平行的偏振光在各向同性介质上记录的体全息图是一种三维衍射光栅,特定结构的体全息光栅可以作为偏振分光镜;用互相正交的偏振光在光致各向异性介质上记录的体全息图,其表面光强均匀,而偏振状态随表面位置及深度而变化,称为体偏振全息图,用特定的光波照射可恢复原物光波的偏振特性。这两种体全息图各自具有独特的偏振特性,称之为偏振全息光学元件(PHOE).

Three-dimensionel gratings diffration theory and Jones matix theory are used to analyze the optical properties of volume hologram reeording with two mefhods and the pdariation propenties of its diffracted wave. It is shown that the hologram recording with two parallel polarized wave in isotropie material is a kind of three-dimesional diffration gratings, volume holographic grating wifh ospetial configwration can be used for polarizing beam splitter. It is sbown that the volume hologram recording in photoinduced birefringence material with two perpendicular polarized wave, only it polarization is modulated, is called as volume polarized holographic gratings which can reconstruct the objet wave polarization with special reconstrueting light wave.