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Laser-Induced Damage in Optical Materials
Design properties
ickness of layer
ickness of layer
Energy flux
Refractive index
Energy flux
Refractive index
LIDT of single layer
Material properties
Index profile
H|F| [J/cm
2
]
LIDT
of
stack
FIGURE 15.3 Concept for the calculation of laser power resistance of USP optics.
1
0.1
0.01
1E–3
1E–4
1E–5
1E–6
0
500 1000
ickness of layer [nm]
Energy ux
1500 2000
Substrate
1.4
1.6
1.8
2.0
2.2
2.4
Surface
FIGURE 15.4 Energy ux in a standard QWoT stack.