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12.5 x 12.5 x 3mm MgF2 Coated, N-BK7 Window

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Stock #27-848 Clearance 3-4 days
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€14,95
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€14,95
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Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture CA (mm):
11.25 x 11.25
Dimensions (mm):
12.50 x 12.50
Thickness (mm):
3.00 ±0.20
Coating:
MgF2 (400-700nm)
Coating Specification:
MgF2: ¼λ @ 550nm, Ravg ≤1.75% @ 400 - 700nm
Coefficient of Thermal Expansion CTE (10-6/°C):
7.1 (-30 to +70°C)
8.3 (+20 to +300°C)
Density (g/cm3):
2.51
Edges:
Fine Ground
Index of Refraction nd:
1.516
Knoop Hardness (kg/mm2):
610
Parallelism (arcmin):
≤5
Poisson's Ratio:
0.206
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Accuracy:
1λ
Type:
Protective Window
Wavelength Range (nm):
400 - 700
Young's Modulus (GPa):
82
Length (mm):
12.50
Width (mm):
12.50

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

N-BK7 windows are ideally suited for industrial applications. Available uncoated or with a MgF2 anti-reflection coating, windows are often used as a protective element between two environments. Commercial Grade N-BK7 Windows offer commercial quality, at an affordable price.