[Retracted] Application of Optical Fiber Sensing Technology in Permeability Test of Three-Dimensional Physical Model of Medium and Long-Distance Diversion Tunnel

<div>Fiber core structure and light guiding principle diagram.</div>

Wireless Communications and Mobile Computing

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Figure 2

Figure 2: [Retracted] Application of Optical Fiber Sensing Technology in Permeability Test of Three-Dimensional Physical Model of Medium and Long-Distance Diversion Tunnel 

Figure 2 | [Retracted] Application of Optical Fiber Sensing Technology in Permeability Test of Three-Dimensional Physical Model of Medium and Long-Distance Diversion Tunnel 