With the development of infrared detection, infrared stealth technology is receiving increasing attention. This will require the implementation of multispectral infrared stealth, including infrared laser stealth and thermal stealth. However, the infrared laser stealth with high absorption faces challenges of laser damage. It is still difficult to balance between laser stealth and laser protection. Here, we propose a smart infrared stealth scheme that realizes laser stealth at low energy thresholds and laser protection at high energy thresholds. The conversion ratio between stealth and protection are 0.4 and 0.78, respectively. The proposed smart infrared stealth demonstrates the high performance of infrared stealth (R1.06μm=0.13, R10.6μm=0.03), thermal stealth (ε3-5μm=0.3, ε8-14μm=0.5) and thermal management (ε5-8μm=0.7, ε14-17μm=0.9).
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