Magnesium fluorideionic or covalent

Example: 5.5um pixel monochrome corresponds to 500/(5.5*1.4) = 500 / 7.7 = 65 lp/mm Example: 2.2um pixel color corresponds to 500/(2.2*2) = 500 / 4.4 = 114 lp/mm

Newport's Magnesium Fluoride Optical Windows are transparent over a very wide 120 nm to 8 µm spectral range. Magnesium Fluoride is durable, resistant to both thermal and mechanical shock, and has a high laser damage threshold.

Magnesium fluoride is extremely durable compared to other materials which are transparent from the UV to IR spectrum, making it an excellent choice for many biological and military imaging applications.

Magnesium fluorideuses

As Magnesium Fluoride has the lowest refractive index of all optical glasses, AR coatings are not required to have low surface reflectance. Therefore the windows are not limited to the spectral band of a broadband AR coating, permitting use at any wavelength from Deep UV to IR (120nm - 8 µm). This is ideal for applications requiring transparency across multiple wavelengths simultaneously, such as spectroscopy or fluorescence imaging of samples under vacuum. The windows may also be used in excimer laser applications due to transparency in the deep UV.

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Magnesium fluorideformula

Magnesium fluoride is extremely durable compared to other materials which are transparent from the UV to IR spectrum, making it an excellent choice for many biological and military imaging applications.

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For monochrome applications the pixel size is multiplied by factor 1.41 (=square root of two). The result is the diagonal of the pixel.