1. State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact Army Engineering University of PLA Nanjing 210007 P. R. China
2. Research Center for Camouflage Engineering Army Engineering University of PLA Nanjing 210007 P. R. China
3. State Key Lab for Mesoscopic Physics and Frontiers Science Center for Nano‐optoelectronics School of Physics Peking University Beijing 100871 P. R. China