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To use solid immersion lens is one of the practical methods to realize the near-field high-density optical data storage.

采用固体浸没透镜的光存储方法是提高光存储密度的比较实用的近场光存储方法，而严格控制SIL下底面与光存储介质之间的亚波长级距离是此光存储系统正常工作的前提。

Investigation on near-field optical data storage using solid immersion lens .

利用固体浸没透镜的近场光学存储研究。

Using two-dimensional finite-difference time-domain method, the optical fields of solid immersion lens are studied when illuminated by focusing gauss beam.

采用二维时域有限差分(2D-FDTD)方法研究了高斯光束通过固体浸没透镜的光场分布特性。

To use solid immersion lens is one of the practical methods to realize the near-field high-density optical data storage. But the storage system will work only on the condition that the distance between the bottom of the SIL and the surface of media is exactly controlled within the sub-wavelength scale.

采用固体浸没透镜的光存储方法是提高光存储密度的比较实用的近场光存储方法，而严格控制SIL下底面与光存储介质之间的亚波长级距离是此光存储系统正常工作的前提。

Integrated Nano-Aperture , Solid Immersion Lens , and Support Structure for Near-field Optical Systems

题名： 整合奈米孔、固态浸没；透镜及支撑结构於近场光学系统之应用

For near-field optical systems, Aperture and Solid Immersion Lens that are popular techniques can overcome light diffraction limit and reduce spot size.

奈米孔与固态浸没透镜是在近场光学系统中，常用来克服绕射极限和缩小光记录点的两项技术。

The related works have not been reported within our country till now.A project that using the solid immersion lens to focus the femtosecond laser pulses in three-dimensional optical data storage is first proposed.

在SIL飞秒三维光存储方面，首次提出将SIL用于飞秒激光三维光存储的方案，模拟了SIL离焦量与实际聚焦在介质内焦点位置及系统数值孔径大小的关系。

Three-dimensional optical data storage is achieved in PMMA and fused silica by combining 800nm, 150fs laser pulses with NA=0.55 objective lens and solid immersion lens.

其中，在石英介质内部存储密度可达1.1×10~(12)bits/cm~3，该结果为目前所报道在透明介质内所获得的最高存储密度。

Characteristic of gap-induced aberration in solid immersion lens systems.2000 Optical Data Storage .

鲁拥华，王沛，章江英，明海，谢建平，张其锦，"利用固体浸没透镜的近场光学存储研究"，中国激光 30，

The solid immersion lens for near field optical storage has one negative refraction medium layer coated to the lower surface of traditional solid immersion lens to re-focus laser beam focused onto the lower surface of the solid immersion lens onto the surface of CD.

本发明公开了一种用于近场光存储的固体浸没透镜，在传统固体浸没透镜的下表面涂覆上一负折射介质层，该负折射介质层将聚焦于固体浸没透镜下表面的激光重新聚焦于碟片的表面。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。