Collection Of theses on high power laser and plasma physics, 2015, 13 (1): 1209–1212, Published Online: May. 27, 2017
Study on impact of spatial filter on a hot image through medium withgain
Abstract
The evolution of hot image formation through medium with gain in consideration of the effect of spatialfilter is theoretically and numerically investigated. Based on the linear diffraction theory and small-scale self-focusing theory of Bespalov and Talanov, intensity distribution of hot image in conjugate planeis derived analytically. Then, the peak intensity of hot image for different medium gain and differentpinhole sizes are discussed in detail, the results show theoretical analysis is mostly approximate to thenumerical simulations, furthermore, it is found that suppressing effect on peak intensity ratio with smallgain coefficient is larger than that with bigger ones for determined pinhole size.
Yanli Zhang, Junyong Zhang, Zhaoyang Jiao, Meizhi Sun, Dean Liu, Jianqiang Zhu. Study on impact of spatial filter on a hot image through medium withgain[J]. Collection Of theses on high power laser and plasma physics, 2015, 13(1): 1209–1212.