变焦彩色CCD成像系统的激光干扰实验

发布时间：2018-06-05 08:00

本文选题：激光干扰 + 变焦光学系统　；参考：《红外与激光工程》2017年04期

【摘要】：开展了变焦彩色CCD成像系统的激光外场干扰实验,测得了半导体激光(750 nm)对变焦距(17~187 mm)彩色CCD相机的干扰效果;同时利用典型的激光干扰CCD模型,完成了对实验结果的验证与理论分析。理论与实验结果表明:750 nm激光对彩色CCD成像系统的干扰效果明显,CCD靶面出现了明显的光饱和和串扰现象;在激光辐照条件相同情况下,光学系统焦距f越大,被光阑截断的激光就越少,到靶的激光功率密度就越高,CCD靶面的光饱和面积就越大;光学系统焦距f为17 mm时,CCD靶面的光饱和面积为0.33 mm×0.29 mm,而当光学系统焦距f增大至120 mm时,CCD靶面的光饱和面积为1.8 mm×1.2 mm。仿真结果与实验结果基本一致,证明了理论模型的正确性。研究结果将对CCD器件的实际应用具有一定的指导意义。
[Abstract]:The experiment of laser field interference of zoom color CCD imaging system is carried out. The interference effect of semiconductor laser (750nm) to the variable focal length 17187mm) color CCD camera is measured, and the typical laser interference CCD model is also used. The verification and theoretical analysis of the experimental results are completed. The theoretical and experimental results show that the interference effect of the 1: 750nm laser on the target surface of the color CCD system is obviously saturated and crosstalk, and the focal length f of the optical system increases with the same irradiation conditions. The less the laser is truncated by the aperture, the higher the laser power density is to the target and the larger the light saturation area of the CCD target is. The optical saturation area of CCD target surface is 0.33 mm 脳 0.29 mm when the focal length f is 17 mm, and 1.8 mm 脳 1.2 mm when the focal length f of optical system increases to 120 mm. The simulation results are in good agreement with the experimental results, and the correctness of the theoretical model is proved. The results will be helpful to the practical application of CCD devices.
【作者单位】：中国科学院长春光学精密机械与物理研究所;激光与物质相互作用国家重点实验室;
【基金】：长春市科技计划(长科技合2013270号)
【分类号】：TN386.5;TN249

【相似文献】