Calcium fluoride optics with improved laser durability

Calcium fluoride optics with improved laser durability

2 The invention is directed to calcium fluoride crystal optics with improved laser durability that can be used for the transmission of below 250 nanometer (nm) electromagnetic radiation. The optics consist of CaFas the major component and, in one embodiment, at least one dopant/amount selected >0...

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Hauptverfasser: Cole, James R, Donohue, Keith J, Genier, Michael Lucien, Pavlik, Jr, Robert Stephen, Price, Michael William, Rosch, William Rogers, Sunderland, Jeffrey L
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creator Cole, James R
Donohue, Keith J
Genier, Michael Lucien
Pavlik, Jr, Robert Stephen
Price, Michael William
Rosch, William Rogers
Sunderland, Jeffrey L
description 2 The invention is directed to calcium fluoride crystal optics with improved laser durability that can be used for the transmission of below 250 nanometer (nm) electromagnetic radiation. The optics consist of CaFas the major component and, in one embodiment, at least one dopant/amount selected >0.3-1200 ppm Mg, >0.3-200 ppm Sr, >0.3-200 ppm Ba, while Ce and Mn are
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The optics consist of CaFas the major component and, in one embodiment, at least one dopant/amount selected &gt;0.3-1200 ppm Mg, &gt;0.3-200 ppm Sr, &gt;0.3-200 ppm Ba, while Ce and Mn are &lt;0.5 ppm. 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The optics consist of CaFas the major component and, in one embodiment, at least one dopant/amount selected &gt;0.3-1200 ppm Mg, &gt;0.3-200 ppm Sr, &gt;0.3-200 ppm Ba, while Ce and Mn are &lt;0.5 ppm. The doped crystal and optics made therefrom have a ratio of 515/380 nm transmission loss of less than 0.3 after exposure to greater than 2.8 MRads of γ-radiation.</abstract><oa>free_for_read</oa></addata></record>
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title Calcium fluoride optics with improved laser durability
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