2. Origin of laser damage
Laser damage results from the coupling and transfer of laser energy into the material. Schematically, two main types can be distinguished:
coupling by residual intrinsic absorption of the material or defects in the material. This mechanism leads to heating and consequent thermal effects in the component;
coupling by photo-ionization, when the electric field is sufficiently intense to ionize the material and induce electron avalanche effects; this mechanism is non-linear (does not depend linearly on the electric field) and can occur in a perfectly transparent material at low intensity.
2.1 Absorption and thermal effects
When an optical component is exposed to a laser...
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Origin of laser damage
Laser flux resistance metrology
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