TY - GEN
T1 - Preparation and optical properties of aluminium fluoroberyllate glasses
AU - Fujino, Shigeru
AU - Morinaga, Kenji
PY - 2000
Y1 - 2000
N2 - Preparation and vacuum ultraviolet (VUV) transmission spectra of aluminium fluoroberyllate glasses, MgF2-CaF2-SrF2-AlF3-BeF2 (MCSA-Be) and MgF2-CaF2-SrF2-AlF3-YF3-B eF2 (MCSAY-Be), were studied. The influence of YF3 and BeF2 on the thermal stabilization against crystallization and VUV transmittance was investigated. With increasing the BeF2 content, the crystallization tendency decreased and the absorption edge shifted to shorter wavelength in the MCSA-Be and MCSAY-Be glasses. The MCSA-20Be glass composition exhibited the shortest wavelength UV absorption edge (∼147 nm) and the highest transmittance at 157 nm (60% for 2 mm sample thickness). The transmission values at 157 nm and the slope (steepness) of the absorption edge were found to be significantly influenced by the trace amount of Fe2+ derived from the BeF2 raw materials.
AB - Preparation and vacuum ultraviolet (VUV) transmission spectra of aluminium fluoroberyllate glasses, MgF2-CaF2-SrF2-AlF3-BeF2 (MCSA-Be) and MgF2-CaF2-SrF2-AlF3-YF3-B eF2 (MCSAY-Be), were studied. The influence of YF3 and BeF2 on the thermal stabilization against crystallization and VUV transmittance was investigated. With increasing the BeF2 content, the crystallization tendency decreased and the absorption edge shifted to shorter wavelength in the MCSA-Be and MCSAY-Be glasses. The MCSA-20Be glass composition exhibited the shortest wavelength UV absorption edge (∼147 nm) and the highest transmittance at 157 nm (60% for 2 mm sample thickness). The transmission values at 157 nm and the slope (steepness) of the absorption edge were found to be significantly influenced by the trace amount of Fe2+ derived from the BeF2 raw materials.
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M3 - Conference contribution
AN - SCOPUS:0034592625
SN - 087339495X
T3 - Proceedings of the Second International Conference on Processing Materials for Properties
SP - 231
EP - 234
BT - Proceedings of the Second International Conference on Processing Materials for Properties
A2 - Mishra, B.
A2 - Yamauchi, C,
A2 - Mishra, B.
A2 - Yamauchi, C.
T2 - Proceedings of the Second International Conference on Processing Materials for Properties
Y2 - 5 November 2000 through 8 November 2000
ER -