C and L波段掺铒光纤
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						L-Band & C-Band Erbium Doped Fibers
Erbium doped fibers for high channel-count DWDM systems
	- Optimized core composition for high-channel-count DWDM systems’ EDFAs
- World-class leading conversion efficiency
- Suitable for C and L-band amplifiers
Typical Applications:
	- EDFAs/telecoms
- Fiber lasers
- Biomedical illumination
- Optical Coherence Tomography (OCT)
- ASE light sources
- Gyros
- Current sensors
- Distributed sensor systems
Product  list:
I-12(980/125) Mid level absorption fiber for short length C-band and L-band EDFAs
I-12(980/125)H High cut-off wavelength, mid level absorption fiber for higher power short length C-band and L-band EDFAs
I-15(980/125)HC High cut-off wavelength, mid/high level absorption fiber for higher power short length C-band and L-band EDFAs
I-25(980/125) Very high absorption fiber for short length L-band EDFAs
					 
					
						
	
		
			| Model | I-12(980/125) | I-12(980/125)HC | I-15(980/125)HC | I-25(980/125) | 
	
	
		
			| Cut-Off Wavelength (nm) | 900 - 970 | 1200 - 1320 | 1200 - 1320 | 900 - 970 | 
		
			| Numerical Aperture | 0.21 - 0.23 | 0.23 - 0.26 | 0.23 - 0.26 | 0.23 - 0.26 | 
		
			| Mode Field Diameter (μm) | 5.7 - 6.6 @1550nm | 5.0 - 5.5 @1550nm | 4.8 - 5.4 @1550nm | 5.3 - 6.3 @1550nm | 
		
			| Attenuation (dB/km) | ≤10 | ≤10 | ≤10 | ≤10 | 
		
			| Polarization Mode Dispersion (ps/m) | ≤0.005 | ≤0.005 | ≤0.005 | ≤0.005 | 
		
			| Proof Test (%) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 
		
			| Cladding Diameter (μm) | 125 ± 1 | 125 ± 1 | 125 ± 1 | 125 ± 1 | 
		
			| Core Cladding Concentricity (μm) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.5 | 
		
			| Coating Diameter (μm) | 245 ± 7 | 245 ± 7 | 245 ± 7 | 245 ± 7 | 
		
			| Coating Type | Dual Layer Acrylate | Dual Layer Acrylate | Dual Layer Acrylate | Dual Layer Acrylate | 
		
			| Operating Temperature (°C) | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 | 
		
			| Absorption (dB/m) | 14 - 21 @1531nm | 17 - 21 @1531nm | 27 - 33 @1531nm | 35 - 45 @1531nm |