UV MgF2 Window
DUV grade MgF2 material has a transmission more than 65% at 121.6nm. Of course this grade material can be used for excimer & Nd:YAG laser optics. The quality of a DUV window can be extremely critical; it should be of high purity and polish in order not to affect the optical system.
Key features:
- UV gradeSpecifications:
Material: | MgF2 single crystal |
Optical Axis Orientation: | A-cut ( <100>-cut ) |
Tolerance: | +/- 0.5° |
Diameter: | +0/-0.10 mm |
Clear aperture: | 90% of the diameter |
Thickness: | +/- 0.10 mm |
Parallelism: | < 30 arc seconds |
Surface quality: | 20-10 S/D |
Flatness: | λ/4@632.8 nm |
Perpendicularity: | <10 arc min |
Bevel: | 0.10-0.30mm x 45° |
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