Improving the intensity and efficiency of compressed echo in rare-earth-ion-doped crystal

Ma Xiu-Rong^{1, 2}, Liang Yu-Qing^{1, †,}, Wang Song¹, Zhang Shuang-Gen^{1, 2}, Shan Yun-Long¹

Relationship between difference of start frequency (f_s1–f_s2) and compressed echo’s intensity.