scholarly journals Femtosecond laser direct writing in SiO 2 ‐Al 2 O 3 binary glasses and thermal stability of Type II permanent modifications

2020 ◽  
Vol 103 (8) ◽  
pp. 4286-4294 ◽  
Author(s):  
Yitao Wang ◽  
Shuen Wei ◽  
Miss R. Cicconi ◽  
Yuta Tsuji ◽  
Masahiro Shimizu ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Femtosecond Laser ◽  
Type Ii ◽  
Direct Writing ◽  
Laser Direct Writing ◽  
Thermal Stability Of

scholarly journals Thermal Stability of Type II Modifications Inscribed by Femtosecond Laser in a Fiber Drawn from a 3D Printed Preform

2021 ◽  
Vol 11 (2) ◽  
pp. 600
Author(s):  
Yitao Wang ◽  
Shuen Wei ◽  
Maxime Cavillon ◽  
Benjamin Sapaly ◽  
Bertrand Poumellec ◽  
...  
Keyword(s):  
Thermal Stability ◽  
3D Printing ◽  
Femtosecond Laser ◽  
Optical Fibers ◽  
Thermal Performance ◽  
Single Mode ◽  
Type Ii ◽  
Fs Laser ◽  
3D Printed ◽  
Thermal Stability Of

Fiber drawing from a 3D printed perform was recently discussed to go beyond the limitations of conventional optical fiber manufacturing in terms of structure and materials. In this work, the photosensitivity of silica optical fibers to femtosecond laser light, and fabricated by 3D printing a preform, is investigated. The writing kinetics and the thermal performance of Type II modifications are studied by varying the laser pulse energy and investigating the birefringence response of the femtosecond (fs)-laser written structures. Compared with a conventional telecom single mode fiber (SMF28), the fiber made by 3D printing is found to have similar writing kinetics and thermal performance. Additionally, the thermal stability of the imprinted fs-laser induced nanostructures is investigated based on the Rayleigh–Plesset equation, describing a model of nanopores dissolution underpinning Type II modifications with thermal annealing.

Wavelength tunable fiber Bragg gratings fabricated by stress annealing assisted femtosecond laser direct writing

2021 ◽  
Vol 61 ◽  
pp. 102427
Author(s):  
Xiaoyan Sun ◽  
Zikun Chang ◽  
Li Zeng ◽  
Xinran Dong ◽  
Youwang Hu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Direct Writing ◽  
Laser Direct Writing ◽  
Wavelength Tunable

Micropatterned Cell‐Repellent Interface Using Femtosecond Laser Direct Writing to Engineer Controlled Cell Organization

2021 ◽  
pp. 2100178
Author(s):  
Wenguang Yang ◽  
Honghui Chu ◽  
Shuxiang Cai ◽  
Wenfeng Liang ◽  
Haibo Yu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Direct Writing ◽  
Laser Direct Writing ◽  
Cell Organization
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