摘要
针对大气呼吸模式激光推进,采用可调谐TEA CO2激光器,选取CO2激光光谱中0001~1000带和0001~0200带中增益较强的四支谱线10P(20)、10R(12)、9P(28)及9R(14)进行了实验研究。实验结果表明,在大气呼吸模式激光推进中,空气的击穿阈值随激光波长的增大而降低,激光波长对飞行器获得的冲量耦合系数没有明显的影响。
For the air-breathing mote laser propulsion, an experimental investigation has been done with a tunable TEA CO2 laser. In the experiment, 4 strong spectral lines 10P (20), 10R (12), 9P (28) and 9R ( 14) in the 00^01~10^00 band and 00^01~ 02^00 band have been chosen to study the relation between the wavelength and the threshold and coupling coefficients. The results show that the threshold of air bre^down deereases when laser wavelength increases, while the wavelength has no evident effect on the momentum coupling coefficient.
出处
《激光杂志》
CAS
CSCD
北大核心
2006年第6期22-23,共2页
Laser Journal
基金
中国科学院知识创新工程资助课题(D5067-07)
关键词
激光技术
激光推进
大气呼吸模式
激光波长
空气击穿阈值
冲量耦合系数
laser technology
laser propulsion
air breathing mode
laser wavelength
threshold of air breakdown
momentum coupling coefficient