栅栏
材料科学
衍射光栅
衍射
智能材料
衍射效率
形状记忆合金
光学
三维光学数据存储
计算机数据存储
制作
计算机科学
光电子学
纳米技术
计算机硬件
物理
医学
替代医学
病理
冶金
作者
Xiang‐Chao Sun,Zhipeng Zhang,Zhi-Juan Sun,Jiahong Zheng,Xueqing Liu,Hong Xia
标识
DOI:10.1002/marc.202100863
摘要
The shape memory effect is the capability of a structure or a material that can be deformed into a certain temporary shape under external stimulus, and the shape will be fixed without the stimulus. The recovery process can be triggered by the same stimulus. The intelligent tunable device based on the shape memory effect has a wide range of applications in many fields. In the optical field, smart diffraction gratings can accomplish in situ optical diffractions according to requirements, meeting the high demand in the next generation of smart optical systems. However, it is essential to construct high-precision grating structures based on shape memory materials. Here, a smart diffraction grating based on UV-curable shape memory polymers (SMPs) via two-beam interference is reported, with nano-scale precision, excellent deformability and recovery ability, and adjustable spectroscopic performance. More importantly, based on the shape memory effect, grating structures that surpass the precision of the fabrication system can be obtained. The smart grating exhibits rapid deformation and recovery upon heating and long-term storage capability, which facilitates them to be applied in optics, electronics, and integrated sensing.
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