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Publikováno v:
Optics Express. 25:10434
We demonstrated real-time control of micro/nanofiber waist diameter during fiber pulling process with ultrahigh accuracy and precision. A 785 nm CW laser was coupled into SMF-28e fiber to excite high-order modes. During the fiber-pulling process, the
Publikováno v:
Optics Express.
We demonstrate orbital-angular momentum (OAM) light up to a topological charge of l=3 behind a single mode fiber. Femtosecond 3D direct laser writing is used to fabricate spiral phase plates of l=1,2 and 3, composed of 10 discrete steps, on the tip o