激光等离子体微推力器的发展及热点问题

激光微推力器在航天器的轨道调整、引力补偿、位置保持、轨道机动和姿态控制等方面存在巨大的潜在优势。对近年来激光等离子体微推力器的研究和发展进行了较全面介绍,并详述了激光等离子体微推力器发展过程中的几个热点问题,包括激光等离子体微推力器的工作模式和工质的选择、推力单元结构设计、微型激光器和微推力测试方法的研究与发展现状。通过对比分析,给出了目前所研究的激光等离子体微推力器的优缺点,为国内研制激光等离子体微推力器提供了一些有益参考。

Development and key problems of laser plasma micro-thruster

The laser plasma micro-thruster has many potential advantages in orbit adjustment,gravitation compensation,position maintenance,orbit maneuver and attitude control.Research and development on laser plasma micro-thruster in recent years were reviewed,and some key problems were introduced in detail,such as selection of working mode and medium,structure design of thrust unit,development of micro-laser and measurement method of micro-thrust.Through contrast analysis,the advantages and disadvantages of current laser micro-thruster were presented,which can provide useful reference to research and development of the laser plasma micro-thruster.