Interface reaction of optical glass fiber sintered with low-temperature sealing glass

Bo Xu; Guoying Liu; Chengkui Zu; Xiping Gao; Bin Han; Baojing Zhu; Xianyin Yin

doi:10.1117/12.2072084

9 December 2014 Interface reaction of optical glass fiber sintered with low-temperature sealing glass

Bo Xu, Guoying Liu, Chengkui Zu, Xiping Gao, Bin Han, Baojing Zhu, Xianyin Yin

Proceedings Volume 9294, International Symposium on Optoelectronic Technology and Application 2014: Development and Application of High Power Lasers; 92940G (2014) https://doi.org/10.1117/12.2072084
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Low-temperature sealing glass (320-380°C) can be applied to the hermetic package of optical fiber devices, without the need of metallization. This paper introduced a PbO-ZnO-B₂O₃-F system low-temperature glass composite which has an softening point as low as 246°C and expansion coefficient of 8.0 ppm/°C. The glass composite was sealed with quartz glass fibers at 360-390°C, then the effect of sintering temperature and holding time on the surface reaction were well investigated. Although the mismatch of expansion coefficient exists within glass fiber, negative expansion filler and parent glass, they combined well with each other after a short time heating. The F- in glass network helped to lower the sealing temperature, wet the oxide surface and promote the combination of parent glass and fibers. The sealing temperature and holding time affect the interface layer and the shape of the fiber. The optimum packaging process should be sealing composite glass and fibers beneath 380°C with shortened holding time as possible. Using glazed glass composite preforms, sealing fiber in a ferrule to achieve compressed package will be helpful to realize hermetic package for optical fiber devices.

Citation Download Citation

Bo Xu, Guoying Liu, Chengkui Zu, Xiping Gao, Bin Han, Baojing Zhu, and Xianyin Yin "Interface reaction of optical glass fiber sintered with low-temperature sealing glass", Proc. SPIE 9294, International Symposium on Optoelectronic Technology and Application 2014: Development and Application of High Power Lasers, 92940G (9 December 2014); https://doi.org/10.1117/12.2072084

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KEYWORDS

Glasses

Composites

Interfaces

Optical fibers

Lead

Oxides

Quartz

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