the Technology Interface / Spring 97
Electromagnetic Wavelength Spectrum
from the Technology Interface TechTips
by

Jim Andress

nm = nanometers = 10 -9 meters
1 micron = 1000 nm

(1.) Fiber Optic Operational Wavelengths

850 nm - mulitmode fiber
1310 nm - multi and single mode fiber
1550 nm - single mode long haul and transoceanic fiber
1625 nm - proposed for in service monitoring

(2.) Frequency Spectrum Relationships and Typical Applications

108 nm - 3 x 109 Hz (microwave radio frequencies)
109 nm - 3 x 108 Hz (UHF frequencies)
1010 nm - 3 x 107 Hz (VHF frequencies)
3 x 1011 nm - 1000 kHz (AM Broadcast radio frequencies)
1014 nm - 3000 Hz (audio frequencies)
5 x 1015 nm - 60 Hz (electrical power frequency)