【摘要】 介绍了一种用于阴影成像的两级Blumlein大气压氮分子激光器。激光器的脉宽为纳秒量级,适用于阴影成像。该激光器与CCD相机构成阴影照相系统,能可靠地对瞬变现象进行阴影照相。更多还原

【Abstract】 Two Blumlein Nitrogen laser used in shadowgraph is introduced. Pulse width is in the order of mill microsecond suitable for the shadowgraph. Combination with CCD camera, shadowgraph system is formed to perform the shadowgraph of transient event.更多还原