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Migration of lab-on-chip configurations into the optical fiber platform opens the revolutionary prospect of lab-in-fiber systems on the basis of an efficient optical transport highway for multifunctional sensing. In this paper, three-dimensional microfluidic channels patterning inside the fiber by femtosecond laser ablation, femtosecond laser assisted splicing and selective chemical etching will be...
High quality FBGs have been fabricated in our lab using three types of femtosecond laser inscription techniques, i.e. Phase Mask method, Line-by-Line method and Point-by-Point method. It is found that Phase Mask method shows the best spectral quality and repeatability but the flexibility is poor; Line-by-Line method exhibits good flexibility where nearly all the grating parameters can be adjusted...
Femtosecond laser micromachining of a Zr-based amorphous alloy in air, including measuring the ablation threshold, micro-drilling and trenching, was investigated. The threshold of ablating this amorphous alloy was determined by experiment. Laser-induced ablation and associated damage were examined by means of optical microscope, scanning electron microscopy, transmission electron microscopy and electron...
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