超微粒子的激光制备技术及展望

超微粒子是近年来迅速发展起来的一类新型材料,它具有许多特异性能,在面向21世纪的科学技术进步中将充当重要角色.本文较为详细地介绍了激光气相法、激光加热蒸发法、红外多光子解离法等制备超微粒子的原理、装置、特点及研究现状,并指出激光制备超微粒子技术具有广阔的应用前景.

Laser making technique and prospect of ultrafine particle

Ultrafine particle (UFP) is a new material,which developed rapidly in recent years.The UFP has many special properties,and will play an important role in science and technology facing the 21st century.In the present paper,the principles,devices,characteristics and present situation of producing ultrafine particles by the laser vapor-phase reaction,the laser heating gas-evaporation,the infrared multiple-photon decomposition,and so on,are reviewed.The laser making technology of ultrafine particles is expected to have the possibility of wide applications in the future.