近几年发展起来的近场光学原理和方法为实现超高密度光学数据存储开辟了新的技术途径。基于近扬光学方法的最小信息记录单元尺寸突破了经典光学分辨率的衍射极限 ,理论存储密度高达 1 0 0 0Gb/平方英寸 ,受到了研究人员和工业界的广泛关注。着重介绍了用于近场光学存储的纳米孔径激光器的原理、结构、优点 ,对它的实现方法和发展状况作了详细的阐述 ,并对其在近场光存储领域未来的发展趋势进行了展望 Near-field optical principles and methods developed in recent years have opened up new technological approaches for ultra-high density optical data storage. The size of the smallest information recording unit based on the near-infrared method has exceeded the diffraction limit of the classical optical resolution, and the theoretical storage density is as high as 100 Gb / in2, attracting a great deal of attention from researchers and industry. The principles, structures and advantages of nano-aperture lasers for near-field optical storage are emphatically introduced. The implementation methods and development status of the nanometer-aperture lasers are expounded in detail, and the future development of them in the field of near-field optical storage