发展光学超构表面的电磁波调控机理、跨尺度制造方法和近远场表征测量技术，在可见光到中远红外波段范围，开展微纳结构器件功能调控及片上光谱传感应用研究。具体包含三个方面：创新光学超表面结构的设计调控理念；深入研究实用性微纳器件与探测器结合的片上集成加工方法；探索基于微纳器件的光谱传感应用。

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目前主持两项中国博士后科学基金项目，特别资助和面上资助。

论文：

1.S. Dong, H. Jiao, Z. Wang, J. Zhang*, X. Cheng*, “Interface and defects engineering for multilayer laser coatings”, Progress in Surface Science 100663 (2022).

2. J. Zhou^#,S. Dong^#*, Z. Wei, J. Zhang, X. Deng, Z. Wang, X. Cheng, “Two-dimensional guided-mode resonance gratings with an etch-stop layer and high tolerance to fabrication errors”, Optics Express, 30(14): 25907 (2022). (^#Contributed equally).

3. Z. Ma^#,S. Dong^#*, X. Dun, Z. Wei, Z. Wang, X. Cheng, “Reconfigurable Metalens with Phase-Change Switching between Beam Acceleration and Rotation for 3D Depth Imaging”, Micromachines 13(4): 607 (2022). (^#Contributed equally).

4. X. Cheng,S. Dong, S. Zhi, S. Paschel, I. Balasa, D. Ristau, Z. Wang*, “Waterproof coatings for high-power laser cavities”, Light: Science & Applications 8(12) (2019).

5.S. Dong, J. Zhang, H. Jiao, W, Zhang, X. Li, Z. Wang, X. Cheng*, “Nanopillars assisted multilayer antireflection coating for photovoltaics with multiple bandgaps”, Applied Physics Letters, 115(13): 133106 (2019).

6.S. Dong, H. Jiao, G. Bao, J. Zhang, Z. Wang, X. Cheng*, “Origin and compensation of deposition errors in a broadband antireflection coating prepared using quartz crystal monitoring”, Thin Solid Films 660: 54-58 (2018)

7. F. Liu^#,S. Dong^#, J. Zhang, H. Jiao, B. Ma, Z. Wang, X. Cheng*, “Interface and material engineering for zigzag slab lasers”, Scientific Reports 7 (2017). (^#Contributed equally).

专利：

2020年，入选上海市“超级博士后”激励计划