Ruiwen Xiao, Junyu Xiao, Ping Jin, Rongxuan Zhang, Lei Wang. High-Efficiency Visual Terahertz Detector Based on Three-Dimensional Porous Graphene and Cholesteric Liquid Crystal Microcapsule[J]. Acta Optica Sinica, 2020, 40(17): 1704002
- Acta Optica Sinica
- Vol. 40, Issue 17, 1704002 (2020)
Fig. 1. Characteristic measurements of 3DPG. (a) Micrograph of 3DPG embedded with CLCM; (b) Raman spectrum of 3DPG
Fig. 2. Absorptivity, reflectivity, and transmissivity of 3DPG, and 3DPG embedded with CLCM for THz wave
Fig. 3. Experimental diagrams. (a) Schematic of device of 3DPG assisted CLCM for high THz power measurement; (b) THz temporal waveform; (c) Fourier components of THz temporal wave
Fig. 4. Experimental results of a CLCM for detecting strong THz power. (a) Visible picture of a CLCM under different THz intensities; (b) relationship between Hue value of CLCM and THz power
Fig. 5. Relationship between Hue value of a CLCM embedded in 3DPG with gold nanoparticles and THz power
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