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50.8mm Dia., 4mm Thick, Uncoated, ISP Optics Magnesium Fluoride (MgF2) Window | MF-W-50-4

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Specifications

General

Type:
Protective Window
Model Number:
MF-W-50-4

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
43.18
Diameter (mm):
50.80 +0.00/-0.13
Thickness (mm):
4.00 ±0.13
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
415
Parallelism (arcmin):
<3
Poisson's Ratio:
0.271
Young's Modulus (GPa):
138

Optical Properties

Abbe Number (vd):
106.22
Coating:
Uncoated
Index of Refraction (nd):
1.377
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Magnesium Fluoride (MgF2)
Surface Flatness (P-V):
Surface Quality:
40-20
Wavelength Range (nm):
120 - 7000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
13.7
Density (g/cm3):
3.18

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

Product Details

  • Excellent Transmission from 0.12 to 7μm
  • Rugged and Durable
  • Resistant to Chemical Etching

ISP Optics Magnesium Fluoride (MgF2) Windows feature a low refractive index and high transmission from the Deep UV (DUV) to the Mid-Wave Infrared (MWIR), without the need for an Anti-Reflection (AR) coating. Magnesium Fluoride is extremely durable, being resistant to mechanical and thermal shock. Featuring strong resistance to chemical etching and stability in water, these windows are able to be used in harsh external environments. ISP Optics Magnesium Fluoride (MgF2) Windows are ideal for a wide range of applications from use in the DUV for Hydrogen Lyman-alpha line applications and excimer laser applications, to applications requiring transparency across multiple wavelengths such as spectroscopy and fluorescence imaging.

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