Efficient beam splitting as well as output coupling in high power laser cavities
Coatings are provided by Ion Beam Sputtering (IBS) or Electron beam evaporation with/without Ion assistance coating techniques
Various wavelengths and Reflectivity values are available
Any other our standard substrate can be coated with this type of coatings
Partial reflecting mirrors (PR) provide required percentage
reflection/transmission at a specific angle of incidence for both
single and broad band wavelenghts These coatings serves usually
for the efficient beam splitting as well as output coupling in high
power laser cavities.
Standard Specifications
Substrate Dimension Tolerance
+0.0, -0.1 mm
Substrate Wavefront Distortion
<λ/8 (<λ/4 for curved surfaces)
Substrate Surface Quality
20-10 S-D (40-20 S-D for curved surfaces)
Coating Adhesion and Durability
Per MIL-C-675A
Clear Aperture
>90% of diameter
Laser Damage Threshold
>5-6 J/cm2 for 10 ns pulses @ 1064 nm
Partial reflecting mirrors
PLEASE NOTE: thickness of UVFS Ø12.7 mm is 2 mm; thickness of BK7 Ø12.7 mm is 3 mm
thickness of UVFS Ø25.4 mm is 5 mm; thickness of BK7 Ø25.4 mm is 6 mm
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