16 January 1989 Ultraviolet Radiation Effects On UV-Transmitting Fluor Crown Glasses
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Abstract
Fluor crown glasses, having improved transparency in the UV-spectral region, can be produced by using a proprietary melting technique. The short wavelength cut on of this family of UV-transmitting glasses is similar to that of vitreous silica. In the present investigation the effect of broadband UV-radiation has been studied as a function of time and optical absorption primarily for the glass type UVFK-54. Further tests were performed using discrete line radiation of 248 nm from a pulsed excimer laser. The intensity of the darkening effect is correlated to the intensity and dose of radiation. In addition, recovery experiments using elevated temperatures and different times are discussed.
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Monika J. Liepmann, Monika J. Liepmann, Alexander J. Marker, Alexander J. Marker, Ulrich Sowada, Ulrich Sowada, } "Ultraviolet Radiation Effects On UV-Transmitting Fluor Crown Glasses", Proc. SPIE 0970, Properties and Characteristics of Optical Glass, (16 January 1989); doi: 10.1117/12.948204; https://doi.org/10.1117/12.948204
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