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High temperature-sensitivity sensor based on long period fiber grating inscribed with femtosecond la
[期刊论文] 作者：XinranDong,ZhengXie,YuxinSong,KaiYin,DongkaiChu,Ji’anDuan,
来源：ChineseOpticsLetters 年份：2017
We propose a high temperature-sensitive long period fiber grating (LPFG) sensor fabricated by using the femtosecond laser transversal-scanning method. The femtosecond pulses scan over the whole fiber core and some part of the cladding regio......
Ablation enhancement by defocused irradiation assisted femtosecond laser fabrication of stainless al
[期刊论文] 作者：DongkaiChu,KaiYin,XinranDong,ZhiLuo,YuxinSong,Ji'anDuan,
来源：ChineseOpticsLetters 年份：2018
We evaluate the effects of the holes geometry drilled by a femtosecond laser on a stainless alloy with various defocused irradiation time, which ranges from 0 min to 1 h. The laser ablation efficiency is increased by a factor of 3 when the ......
[期刊论文] 作者：XiaoyanSun,DongmeiCui,YouwangHu,DongkaiChu,GuoweiChen,JinlongYu,JianhangZhou,Ji’anDuan,
来源：ChineseOpticsLetters 年份：2018
In order to improve the morphology of microchannels fabricated by femtosecond laser ablation, the thermal process was introduced into the post-treatment processing. It was found that the thermal process cannot only decrease the roughness bu......
Micro-channel etching characteristics enhancement by femtosecond laser processing high-temperature l
[期刊论文] 作者：DongkaiChu,XiaoyanSun,YouwangHu,XinranDong,KaiYin,ZhiLuo,JianyingZhou,CongWang,Ji'anDuan,
来源：ChineseOpticsLetters 年份：2017
A fused silica glass micro-channel can be formed by chemical etching after femtosecond laser irradiation, and the successful etching probability is only 48%. In order to improve the micro-channel fabrication success probability, the method ......
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