An attractive feature of surface plasmons (SPs) is the sub-wavelength characteristics, especially the SPs in two dimensional Dirac systems. In mid-infrared region, the wave vectors of graphene plasmons (GPs) can be two orders larger than that in vacuum, which have potential applications in optical imaging. Here, we propose a scheme that combining the GPs and structured illumination microscopy to realize a nanometer-scale microscopy. This scheme also takes advantage of the other two exciting properties of GPs, i.e., tunability and low loss. The microscopy works in the linear regime and can be used in bioimaging.
Xiaodong Zeng, M. Al-Amri, and M. Suhail Zubairy, "Sub-wavelength microscopy with surface plasmons," Proc. SPIE 10548, Steep Dispersion Engineering and Opto-Atomic Precision Metrology XI, 105480N (Presented at SPIE OPTO: January 30, 2018; Published: 22 February 2018); https://doi.org/10.1117/12.2299172.
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