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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

Knife-Edge Pickoff Mirrors

Knife-Edge Pickoff Mirrors

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  • Designed to Separate Two Beams Propagating Closely Next to Each Other
  • 45° Bevel 
  • Coating Aperture Up to the Knife-Edge
  • Enhanced Aluminum, Protected Gold and Protected Silver Coating Options

Knife-Edge Pickoff Mirrors are designed to selectively reflect an individual beam from a group of tightly spaced beams, while minimizing the overall footprint of the application. These mirrors feature a sharp 45° bevel with a reflective coating that extends to the beveled edge on a precision Fused Silica substrate with λ/10 flatness to the bevel. Knife-Edge Pickoff Mirrors are ideal for applications that incorporate dispersion prisms and diffraction gratings. These mirrors are available in three metallic coating options with performance from the visible spectrum into the far IR.

Common Specifications

Diameter (mm):
25.40
Back Surface:
Fine Grind
Dimensional Tolerance (mm):
+0.0/-0.20
Bevel:
Protective bevel as needed
Edges:
Ground
Parallelism (arcmin):
2
Thickness (mm):
6.35
Thickness Tolerance (mm):
±0.20
Surface Flatness (P-V):
λ/10
Substrate:
Fused Silica (Corning 7980)
Surface Quality:
20-10
Coating Type:
Metal

Products

Dia. (mm)  Surface Flatness (P-V)   Coating Specification   Coating   Thickness (mm)   Compare   Stock Number   Price  Buy
25.40 λ/10 Ravg >95% @ 450 - 650nm Enhanced Aluminum (450-650nm) 6.35 #36-135 S$118.90 Qty 6+ S$107.30   Request Quote  
  • Contact Us
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25.40 λ/10 Ravg >96% @ 700 - 2000nm
Ravg >96% @ 2000 - 10,000nm 		Protected Gold (700-10000nm) 6.35 #36-136 S$150.80 Qty 6+ S$136.30   Request Quote  
  • 3-5 days
    ×
 
25.40 λ/10 Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm 		Protected Silver (450-10000nm) 6.35 #36-137 S$134.85 Qty 6+ S$121.08   Request Quote  
  • 3-5 days
    ×
 

Technical Information

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