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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
10mm Diameter VIS 0° Coated, Ultra-Thin N-BK7 Window

Ultra-Thin N-BK7 Windows

Ultra-Thin N-BK7 Windows

Stock #83-100
Qty 1-5
Qty 6
Volume Pricing
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Abbe Number (vd):
Diameter (mm):
10.00 +0.00/-0.05
Thickness (mm):
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Coefficient of Thermal Expansion CTE (10-6/°C):
Knoop Hardness (GPa):
Young's Modulus (GPa):
Density (g/cm3):
Index of Refraction nd:
Parallelism (arcsec):
Poisson's Ratio:
Surface Quality:
Thickness Tolerance (mm):
Transmitted Wavefront, P-V:
≤λ/2 per 25mm @ 633nm
Protective Window
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • Ultra-Thin 0.20mm Thickness
  • Precision N-BK7 Substrate
  • Extremely Lightweight

TECHSPEC® Ultra-Thin N-BK7 Windows are our thinnest windows available and are at least 1/10 the thickness of our traditional N-BK7 windows. Their extremely thin designs make them ideal for both weight and size sensitive applications. Additionally, their high tolerance design yields minimal beam distortion and scatter. They are available uncoated or with a MgF2 anti-reflection coating. For custom sizes or coating options, please contact our Sales Department.

Note: The Ultra-Thin N-BK7 Windows are very fragile. Handle these windows with care.

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