Feb 28, 2009 #1 MusicMan Member level 2 Joined Apr 18, 2007 Messages 42 Helped 9 Reputation 18 Reaction score 4 Trophy points 1,288 Activity points 1,527 Simple question i have a data of the electric and magnetic field at one end of a fiber. how do i calculate the power?
Simple question i have a data of the electric and magnetic field at one end of a fiber. how do i calculate the power?
Feb 28, 2009 #2 si14 Full Member level 3 Joined Sep 27, 2006 Messages 173 Helped 16 Reputation 32 Reaction score 6 Trophy points 1,298 Location North America Activity points 2,196 Simple question from Poynting theorem, you can calculate the Poynting vector and integral over the end of the fiber surface. Poynting vector=E (cross) H Power flowing through a surface=integral over the surface (Poynting vector) hope that helped.
Simple question from Poynting theorem, you can calculate the Poynting vector and integral over the end of the fiber surface. Poynting vector=E (cross) H Power flowing through a surface=integral over the surface (Poynting vector) hope that helped.
Mar 1, 2009 #3 MusicMan Member level 2 Joined Apr 18, 2007 Messages 42 Helped 9 Reputation 18 Reaction score 4 Trophy points 1,288 Activity points 1,527 Simple question tnx