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All Products / Optics / Optical Mirrors / Focusing (Concave) Mirrors / λ/4 Spherical Mirrors
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20mm Dia x 20mm Focal Length, Spherical Mirror

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Stock #46-237 3-5 days
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S$67.42
Qty 1-49
S$67.42
Qty 50+
S$60.90
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Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Focal Length Tolerance (%):
±2
Surface Quality:
60-40
Surface Accuracy:
λ/4
Diameter (mm):
20.00 +0.00/-0.30
Effective Focal Length EFL (mm):
20.00
Radius of Curvature (mm):
40.00
Aperture (f/#):
f/1
Coating:
Protected Aluminum (400-2000nm)
Coating Specification:
Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Coating Type:
Metal
Back Surface:
Ground
Center Thickness CT (mm):
3.00
Center Thickness Tolerance (mm):
±0.30
Edge Thickness ET (mm):
4.27
Edges:
Ground
Radius R (mm):
40.0
Type:
Spherical Mirror
Wavelength Range (nm):
400 - 2000

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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REACH 241:
Compliant
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Product Family Description

  • Aluminum Coating
  • Ideal for UV, Visible, and IR Applications
  • Multiple Diameter and f/# Combinations Available

λ/4 Spherical Mirrors have flat rear surfaces and aluminum coated spherical front surfaces. These mirrors are ideal for applications in UV, VIS, and IR wavelength ranges.