Ian Elder
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View article: Birefringence analysis of aluminum-to-BK7 bonding methods under thermal stress
Birefringence analysis of aluminum-to-BK7 bonding methods under thermal stress Open
Ultrafast laser welding, hydroxide catalysis bonding (HCB) and adhesive bonding techniques were used to bond N-BK7 cubes to aluminum bases. Using a thermal chamber and polariscope, the stress induced birefringence was measured at temperatu…
View article: High-energy Q-switched Nd:YAG oscillator and amplifier development for large-mode, low-alignment sensitivity applications
High-energy Q-switched Nd:YAG oscillator and amplifier development for large-mode, low-alignment sensitivity applications Open
High pulse energy, low-alignment sensitivity master-oscillator power-amplifier (MOPA) systems enable portable long range laser devices. Comprehensive amplifier modelling is an essential tool in producing efficient, optimised amplfication c…
View article: Towards industrial ultrafast laser microwelding: SiO_2 and BK7 to aluminum alloy
Towards industrial ultrafast laser microwelding: SiO_2 and BK7 to aluminum alloy Open
We report systematic analysis and comparison of ps-laser microwelding of industry relevant Al6082 parts to SiO2 and BK7. Parameter mapping of pulse energy and focal depth on the weld strength is presented. The welding process was found to …