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Home > Dielectric Coated Optics > 14DM-PR - Partial Reflecting Mirrors
Partial Reflecting Mirrors
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 Quality20-10 S-D (40-20 S-D for curved surfaces)
Coating Adhesion and DurabilityPer 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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