激光定距引信远场光斑的压缩整形  

Far-filed spot compression shaping for the laser fuze

作　　者：张祥金[1] 郭婧[1] 张合[1] 

机构地区：[1]南京理工大学智能弹药技术国防重点学科实验室,江苏南京210094

出　　处：《红外与激光工程》2013年第6期1453-1457,共5页Infrared and Laser Engineering

基　　金：国家部委基金(9140A05010610BQ02);国家自然科学基金(60908037)

摘　　要：针对激光定距引信的小型化激光发射系统远场光斑过大、探测距离偏近的问题展开研究。利用几何光学原理对激光定距引信的发射光学系统进行设计,采用非球面透镜与变形棱镜组合实现引信远场光斑的压缩整形,并通过ZEMAX光学软件仿真优化和光斑试验。仿真试验结果表明,发射光束经过光学系统后,500 m处的激光光斑直径被压缩到10 mm且呈圆对称形状,准直效果显著优于柱透镜光学系统,使原有小型化、低功耗的激光定距引信探测距离明显增大。The far-field spot of the miniaturization transmission system in the laser fuze was so large that the detection range of the system was quite close. To increase the detection range, the optical transmitting system of the laser fuze was designed. Based on the geometric optical principle, the combination of an aspherical lens as well as anamorphic prism pairs were adopted to compress the laser divergence angle, and simulated with the optical software ZEMAX. The simulation results indicate that after collimated by the combinatorial lens, the far-field spot diameter at the distance of 500 m is approximately 10 mm and the spot shape is symmetry round. The collimation effects significantly precede the cylindrical lens, and the detection range of original miniaturization, low power laser fuze obviously imoroves.

关 键 词：激光定距引信 光学设计 远场光斑 压缩整形 

分 类 号：TJ430[兵器科学与技术—火炮、自动武器与弹药工程]