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40mm Diameter, Uncoated, B270 Window | Edmund Optics
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
40mm Diameter, Uncoated, B270 Window

Stock #45-643
€44.00
×
Qty 1-5
€44.00
Qty 6
€35.20
Volume Pricing
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Abbe Number (vd):
58.3
Diameter (mm):
40.00
Dimensional Tolerance (mm):
±0.25
Thickness (mm):
3.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
9.4
Knoop Hardness (GPa):
542
Young's Modulus (GPa):
71.5
Density (g/cm3):
2.56
Edges:
Ground, Maximum 0.25 Edge Chip
Index of Refraction nd:
1.522
Poisson's Ratio:
0.22
Substrate:
Surface Flatness:
Surface Quality:
60-40
Type:
Protective Window

Regulatory Compliance

RoHS 2015:
Reach 205:

Product Family Description

  • Large Selection of Sizes
  • Available Uncoated or with a MgF2 Anti-Reflection Coating
  • Custom Sizes Available for Volume OEM Requirements

TECHSPEC® B270 Windows are ideal for commercial applications requiring a thin substrate. Available uncoated or with a MgF2 Anti-Reflection coating, these windows are often used as a protective element between two environments. Custom sizes and coatings are available for OEM applications.

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