Zhengnan Wu, Yuangang Lu, Jianqin Peng, Jian Huang, Chongjun He. Nonlinear optical limiting effect of graphene dispersions at 3.8 µm[J]. Chinese Optics Letters, 2023, 21(2): 021902
- Chinese Optics Letters
- Vol. 21, Issue 2, 021902 (2023)
Fig. 1. Characterization images of experimental graphene. (a) TEM image of single-layer graphene; (b) HRTEM image of single-layer graphene; (c) XRD pattern of single-layer graphene; (d) XPS pattern of single-layer graphene.
Fig. 2. Schematic diagram of the experimental setup.
Fig. 3. Transmittances of graphene dispersions at two different concentrations with thickness of (a) 10 mm and (b) 20 mm.
Fig. 4. Transmittances of graphene dispersions at two different thicknesses with concentration of (a) 0.004 mg/mL and (b) 0.008 mg/mL.
Fig. 5. Transmittance changes with incident fluence (solid dots) and bubble radius (solid line) under different sample thicknesses and concentrations. (a) 10 mm, 0.004 mg/mL; (b) 20 mm, 0.004 mg/mL; (c) 10 mm, 0.008 mg/mL; (d) 20 mm, 0.008 mg/mL.
Fig. 6. Scattering and absorption coefficients versus bubble radius.
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Table 1. Parameters of Two Graphene Dispersions
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Table 2. Experimental Results of Graphene Dispersion
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Table 3. Comparison of Optical Limiting Properties of Several Materials
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