Vacuum ultraviolet transmission of aluminum fluoroberyllate glasses

Shigeru Fujino; Michael Mueller; Kenji Morinaga

doi:10.1117/12.405300

25 October 2000 Vacuum ultraviolet transmission of aluminum fluoroberyllate glasses

Shigeru Fujino, Michael Mueller, Kenji Morinaga

Proceedings Volume 4102, Inorganic Optical Materials II; (2000) https://doi.org/10.1117/12.405300
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Vacuum ultraviolet (VUV) transmission spectra of aluminium fluoroberyllate glasses, MgF₂-CaF₂-SrF₂-AlF₃- BeF₂ (MCSA-Be) and MgF₂-CaF₂-SrF₂-AlF₃- YF₃-BeF₂ (MCSAY-Be), were measured in a wavelength region from 130 to 240 nm. The influence of YF₃ and BeF₂ on the thermal stabilization against crystallization and VUV transmittance was investigated. With increasing the BeF₂ content, crystallization tendencies decreased in the MCSA-Be and MCSAY-Be glasses. The MCSA-20Be glass composition exhibited the shortest wavelength of UV absorption edge (approximately 147 nm), and the highest transmittance at 157 nm (60% for 2 mm sample thickness). The transmittance at 157 nm and the slope (steepness) of the absorption edge were found to be significantly influenced by the trace amount of Fe²⁺.

Citation Download Citation

Shigeru Fujino, Michael Mueller, and Kenji Morinaga "Vacuum ultraviolet transmission of aluminum fluoroberyllate glasses", Proc. SPIE 4102, Inorganic Optical Materials II, (25 October 2000); https://doi.org/10.1117/12.405300

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