Nan CHEN, Yue WANG, Tao LIU, Yang XIA. Development and Application Test of Scattering-type Scanning Near-field Optical Microscope[J]. Acta Photonica Sinica, 2021, 50(11): 1111001
- Acta Photonica Sinica
- Vol. 50, Issue 11, 1111001 (2021)
Fig. 1. s-SNOM schematic and physical diagram
Fig. 2. Point-dipole model and COMSOL finite element simulation results
Fig. 3. s-SNOM approach curve of 1Ω，2Ω，3Ω
Fig. 4. AFM topography and1Ω，2Ω，and 3Ω near-field optical imaging of gold-silicon grating sample
Fig. 5. The center of the focused spot changes with time
Fig. 6. AFM topography and s-SNOM imaging map of gold nanoparticle samples
Fig. 7. AFM topography and s-SNOM imaging map of h-BN samples
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Table 1. Signal and noise comparison under different demodulation orders
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