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Products / Optics / Windows and Diffusers / Visible Windows / B270 Windows
See all 58 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

75mm Square Uncoated, B270 Window

See More by SCHOTT Optical Components

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Stock #48-415 Other Coating Options
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- +
$92.00
Qty 1-5
$92.00
Qty 6+
$73.60
Volume Pricing
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Abbe Number (vd):
58.3
Bevel:
Protective as needed
Clear Aperture CA (mm):
70.00 x 70.00
Dimensions (mm):
75.00 x 75.00
Thickness (mm):
3.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
9.4 (+20 to +300°C)
Density (g/cm3):
2.56
Edges:
Fine Ground
Index of Refraction nd:
1.523
Knoop Hardness (kg/mm2):
500
Poisson's Ratio:
0.22
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
B270
Surface Flatness (P-V):
1λ
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
360 - 2700
Young's Modulus (GPa):
71.5
Length (mm):
75.00
Width (mm):
75.00

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
View
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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.

Title  Type Compare Stock Number  Price Buy
40mm Sq., Fixed Filter Holder Fixed #54-997 $86.00
Qty 10+ $77.80 Request Quote
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