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Fibre Optics Wavelength Chart

Window Band
(code letter bold)		 λ
(nm)		 CWDM
(channel)		 DWDM
(approx. shaded region)		 Notes
  800   790      
1st 850 810    
  830   GaAs LEDs
  850  
  870    
900 890    
    910    
      ~   980 pump
  1260   1250    
2nd Original 1270 1  
  1290 2  
  1310 3 1310 PDFA
  1330 4  
1360 1350 5  
  Extended 1370 6  
    1390 7 1383 water
    1410 8  
    1430 9  
  1460 1450 10  
  Shortwave 1470 11 1480 pump
    1490 12
    1510 13 F = 193,100 + S x N

F = frequency (GHz)
S = spacing (GHz)
N = channel number
λ = C / F
C = 2.99792458 x 108 m/s
λ = wavelength (nm)

  
  1530 1530 14  
3rd Conventional  
1565 1550 15 1550 EDFA
4th Longwave 1570 16  
  1590 17  
1625 1610 18  
  Ultra longwave 1630      
    1650      
  1675 1670      
    1690      

Notes:

1) Wavelength (nm) x Wavenumber (cm-1) = 1 x 107

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