L10_A
The Optical Constants
  Damping constant, k
  Characteristic Penetration Depth, w, and Absorance, alpha
  Reflecting, R, and Transmittance, T
  Hagen-Rubeus Relation
Atomistic Theory of the Optical Properties
  Drude Model

L10_B
Atomistic Theory of the Optical Properties
  Drude Model
  Free Electrons without Damping
  Free Electrons with Damping(Classical Free Electron Theory of Metals)