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Retroreflector

• Diameter Tolerance:±0.1mm 
• Angular Tolerance:±3' 
 Surface Accuracy:λ/4@632.8nm 
• Surface Quality:40-20 
• Clear Aperture:>90% 
• Bevelling:<0.2×45°
• Coating:Custom Design 
• Diameter Tolerance:±0.1mm 
• Angular Tolerance:±3' 
 Surface Accuracy:λ/4@632.8nm 
• Surface Quality:40-20 
• Clear Aperture:>90% 
• Bevelling:<0.2×45°
• Coating:Custom Design 

Material

BK7 Grade A optical glass

Dimension Tolerance

+0.0/-0.2 mm

Clear Aperture

>80%

Deviation

Up to 180°±5 arc seconds

Flatness

λ/4@632.8nm for big surface, λ/10@632.8nm for small surfaces

Wavefront Distortion

λ/2@632.8nm

Surface Quality

60/40 scratch and dig

Coating

None, available


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