Sapphire and other dielectric waveguide devices

Pollnau, Markus

doi:10.1109/leos.2008.4688687

LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society 2008

DOI: 10.1109/leos.2008.4688687

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Sapphire and other dielectric waveguide devices

Markus Pollnau

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2014

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Laser welding of sapphire wafers using a thin-film fresnoite glass solder

et al. 2014

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Two sapphire substrates are tightly bonded through a fresnoite-glass thin film, by irradiation with a 1,064 nm nanosecond laser. The composition of the glass solder at the bond interface changes, due to incorporation of Al from the upper substrate. The oxidic solder remains amorphous after laser irradiation, but after annealing (850 A degrees C for 1 h) crystalline structures are observed in different morphologies, which are attributed not only to fresnoite, but also to Ba-Ti-Al-O phases, which lead to a strong luminescence of the laser irradiated region under UV excitation

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Laser welding of sapphire wafers using a thin-film fresnoite glass solder

et al. 2014

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show abstract

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Sapphire and other dielectric waveguide devices

Cited by 1 publication

References 17 publications

Laser welding of sapphire wafers using a thin-film fresnoite glass solder

Laser welding of sapphire wafers using a thin-film fresnoite glass solder

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