The main advantage of copper as a mirror substrate is its high thermal conductivity. Optical components made of copper are intended for use in optical resonators of pulsed and CW high power IR lasers as well as in optical systems of transforming, transmitting and focusing of laser beams.

Working surface of Cu mirrors is manufactured by diamond turning or by polishing. Treated surfaces are coated with corrosion-resistant, reflective and protective-reflecting coatings.

Physical Properties

Material of working surface: High purity oxygen free Cu
Shape of working surface: Plane or sphere

General Specifications

Operation wavelength - 10.6 mm
Flatness: l/10 - l/60 @ 10.6 mm
Reflectivity for unpolarized radiation > 96%
Type of coating - single or multi-layer
Coating materials Ge, SiO, ZrO2
Max. permissible beam intensity 1-2 kW/cm2 for CW lasers
5 J/cm2 @ 100 ns/10.6 mm for pulsed lasers

Concave Radius of Curvature, m

Diameter, mm

Thickness, mm

Cat.-No

 Price, US$

Flat

 

 

25.4

 

 

8.0

40602

 175

2.0

40604

 175

4.0

40606

 175

6.0

40608

 175

10.0

40610

 175

 
 

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