Femtosecond laser micromachining was first demonstrated in 1994, when a femtosecond laser was used to ablate micrometre-sized features on silica and silver surfaces 1,2. In less than ten years the ...

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Xiaomi Mi 9 Transparent Edition mobile was launched in February 2019. The phone comes with a 6.39-inch touchscreen display offering a resolution of 1080x2340 pixels and an aspect ratio of 19.5:9. The ...