Spot-like inscription with large inscription depth in a freestanding single-mode fiber

8th International Conference on Advanced Infocomm Technology

Chen, Yijing^1 ; Lai, Yicheng^1 ; Cheong, Marcus W. O.^1

Data Storage Institute (DSI), Agency for Science, Technology and Research (ASTAR), 5 Engineering Drive 1, Singapore

117608, Singapore^1

关键词: Axial planes;    Femtosecond pulse laser;    In-fiber;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/679/1/012057/pdf
DOI  :  10.1088/1742-6596/679/1/012057

来源: IOP

【 摘 要 】

Spot-like femtosecond pulse laser inscription with large inscription depth in a freestanding fiber is demonstrated for the first time. Methodology uses axial plane slit beamprofiling to improve inscription uniformity near the core to enable spatially-large in-fiber structural inscription.