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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

λ/20 First Surface Mirrors

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  • Precision Fused Silica Substrate
  • 20-10 Surface Quality
  • Low Coefficient of Thermal Expansion

TECHSPEC® λ/20 First Surface Mirrors are polished to industry leading surface accuracy and quality specifications to minimize reflected wavefront error. These mirrors feature a precision fused silica substrate with a low coefficient of thermal expansion. Multiple coating options are available, allowing these mirrors to be integrated into applications spanning the visible through infrared spectra. TECHSPEC® λ/20 First Surface Mirrors are ideal for beam steering and reflection applications and are available in a variety of size, thickness, and coating options.

Note: Surface flatness is measured before coating. 

Common Specifications

Back Surface:
Commercial Polish
Clear Aperture (%):
90.00
Edges:
Ground, protective bevel as needed
Parallelism (arcsec):
30.00
Substrate:
Fused Silica (Corning 7980)
Surface Quality:
20-10
Coating Type:
Metal

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