Polishing Specification for Laser Grade
|
|
Orientation Tolerence
|
<0.5°
|
Thickness/Diameter Tolerance
|
±0.05 mm
|
Parallel
|
10”
|
Perpendicular
|
5′
|
surface Quality
|
10/5
|
Wavefront Distortion
|
λ/4@632nm
|
Surface Flatness
|
λ/8@632nm
|
Clear Aperture
|
>90%
|
Chamfer
|
<0.2×45°
|
Maximum dimensions
|
dia 120mm
|
Materials
|
Ti:Sapphire
|
Nd Concentration tolerance (wt%)
|
0.05-0.35wt% Ti2O3
|
Orientation
|
A-Axis within 5° / E-vector parallel to C-Axis
|
End Configuration
|
flat/flat or Brewster/Brewster ends
|
Absorption Coefficence
|
0.5~6.0cm-1
|
Figure of Merit
|
100~300
|
Coatings
|
Standard coating is BBAR with R < 5.0% each face at 532 nm and R < 0.5% each face, 650 nm to 850 nm. Other coatings available
|