Cross section

A cross section (σ) quantifies the probability of an optical interaction happening. Units are in terms of area [m2] and represent the target an ion presents to a photon - the smaller the cross section the less likely there will be an interaction.


Related Products: Dual Clad Erbium/Ytterbium Doped Fiber, Erbium Doped Fiber IsoGain™, Erbium Doped Fiber MetroGain™, PM Gyro Fiber, SM Erbium/Ytterbium Doped Fiber, SM Ytterbium Doped Fiber

Related Terms: Absorption, Cross section, Doping Density, Emission Cross Section, Gain Coefficient, Pumping