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产生拉盖尔—高斯模的全息光栅实验研究 被引量:5

Experimental Study of the Holographic Grating to Produce the Laguerre-Gaussian Modes
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摘要 拉盖尔高斯(Laguerre-Gaussian,LG)模是光子的轨道角动量本征态,它在未来的光镊、量子信息和计算等领域有潜在的应用价值。分别用两种记录介质全息干板和喷墨透明胶片制作了全息光栅。通过这种全息光栅在实验上产生了拓扑数从一阶到高阶的拉盖尔高斯模,同时观察到高阶模的空间不稳定特性。并且详细讨论了光栅制作过程中的各种控制参量如曝光时间及强度对光栅衍射效率的影响。 Laguerre-Gaussian (LG) mode is the eigen-state of the orbital angular momentum of photon. It has potential applications in the fields of optical tweezer, quantum information process and computation. Two kinds of recording mediums holographic plate and ink-jet transparent film—— are used to manufacture the holographic grating. Laguerre-Gaussian (LG) modes with topological indices from the first order to high order have been observed in the experiment. It is also noticed the high order modes are spatial unstable. Furthermore, the related controlling parameters, such as the exposure time and intensity which influence the diffraction efficiency, are discussed in detail.
出处 《光学学报》 EI CAS CSCD 北大核心 2005年第11期1457-1460,共4页 Acta Optica Sinica
基金 国家自然科学基金(10274078)资助课题
关键词 信息光学 拉盖尔-高斯模 叉形全息光栅 information optics Laguerre-Gaussian mode, forked holographic grating
作者简介 蔡田(1980~),女,安徽合肥人,中国科学技术大学物理系硕士研究生,主要从事衍射光学元件和空间光孤子方面的研究。 通信联系人:E—mail:liyp@ustc.edu.cn
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参考文献12

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