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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 Diameter, MgF2 Coated, B270 Window

See More by SCHOTT Optical Components

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Stock #48-419 Other Coating Options
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$109.00
Qty 1-5
$109.00
Qty 6+
$87.20
Volume Pricing
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Abbe Number (vd):
58.3
Bevel:
Protective as needed
Clear Aperture CA (mm):
70.00
Diameter (mm):
75.00 ±0.25
Thickness (mm):
3.00
Coating:
MgF2 (632.8nm)
Coating Specification:
Ravg ≤1.50% @ 632.8nm (N-BK7)
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
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 700
Young's Modulus (GPa):
71.5
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns

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
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount Fixed #03-670 $101.00
Qty 10+ $89.20 Request Quote
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8.0 - 118.0 Optic Height, English Bar-Type Optic Holder Fixed #03-666 $107.00
Qty 10+ $96.30 Request Quote
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75.0/76.2mm Optic Dia., Optical Cell Assembly Fixed #36-466 $185.00
Qty 10+ $163.30 Request Quote
  • In Stock
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75.0/76.2mm Optic Dia., E-Series Kinematic Mount Adjustable - Tip-Tilt #15-868 $208.00
Qty 10+ $197.50 Request Quote
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp Fixed #16-078 $367.00
Qty 5+ $323.70 Request Quote
  • In Stock
    ×
75.0/76.2mm Optic Dia., Optical Cell Kinematic Mount Adjustable - Tip-Tilt #53-965 $511.00
Qty 10+ $486.00 Request Quote
  • In Stock
    ×
108.0mm Max Optic Dia., Jaw Clamp Fixed #53-038 $624.00
Qty 5+ $549.50 Request Quote
  • In Stock
    ×
108.0mm Max Optic Dia., Jaw Clamp and 6" Kinematic Mount Adjustable - Tip-Tilt #53-040 $933.00
Qty 5+ $868.40 Request Quote
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