- The core sensitive units of various FBG sensors
 - Monitoring of electricity, petrochemicals, civil engineering, tunnels, temperature, strain, pressure, etc
 
| 
			 Items  | 
			
			 YOSC-FBG-15xx  | 
		|||
|---|---|---|---|---|
| 
			 Central wavelength (nm)  | 
			
			 1500-1600  | 
		|||
| 
			 Grating type  | 
			
			 Apodized or uniform  | 
		|||
| 
			 Wavelength tolerance (nm)  | 
			
			 ± 0.3  | 
		|||
| 
			 Grating length(mm)  | 
			
			 3  | 
			
			 5  | 
			
			 10  | 
			
			 15  | 
		
| 
			 Reflectivity (%)  | 
			
			 >70  | 
			
			 >70  | 
			
			 >90  | 
			
			 >90  | 
		
| 
			 3dB bandwidth (nm)  | 
			
			 <0.7  | 
			
			 <0.7  | 
			
			 <0.3  | 
			
			 <0.3  | 
		
| 
			 SLSR(dB)  | 
			
			 >10  | 
			
			 >15  | 
		||
| 
			 Recoating type  | 
			
			 Acrylate/Polyimide  | 
		|||
| 
			 Tensile strength (Kpsi)  | 
			
			 ≥ 100  | 
		|||
| 
			 Fibre type  | 
			
			 Acrylate/Polyimide coated optical fibres  | 
		|||
| 
			 Tail fibre length (m)  | 
			
			 1.5 (typical)  | 
		|||
| 
			 Operating temperature (℃)  | 
			
			 Acrylate fibre: -20 to 80; Polyimide fibre:-40 to 200  | 
		|||
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