Simultaneous measurement of film thickness and wave velocity in liquid-film flow with an optical fiber probe, micro-fabricated by a femtosecond pulse laser

Furuichi, Hajime; Mizushima, Yuki

doi:10.1016/j.ces.2021.116704

Cited by 7 publications

(3 citation statements)

References 38 publications

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“…Tens to hundreds of minutes <25 nm Fiber body (Silica)/ Metal (gold)/ Vacuum 2.5D High High (2016) [ 31] (2017) [ 32] Femtosecond laser ablation A few minutes 2 μm Fiber body(PMMA/PVDF/Silica) None 2.5D High High (2017) [ 34] (2021) [ 35] (2022) [ 33] Nanoimprint lithography (NL)…”

Section: Introductionmentioning

confidence: 99%

“…[ 20–24 ] However, the device's performance is limited due to its simple structure. In recent years, the precision and complexity of structures manufactured via advanced micro‐nano processing technology (detailed techniques are listed in Table 1 [ 25–46 ] ) have continuously improved, so that optical fiber tips have better performance and richer functions. Nevertheless, traditional micro‐nano processing technology usually requires complex and cumbersome processes and cannot achieve compatibility between high precision and real 3D, so further improvement is extremely difficult.…”

Section: Introductionmentioning

confidence: 99%

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Femtosecond Laser 3D Nano‐Printing for Functionalization of Optical Fiber Tips

Bian,

Hu,

et al. 2024

Laser & Photonics Reviews

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Functionalized optical fiber tips featuring miniature sizes and diverse functions have broken the limitations of traditional optical fiber with fixed shapes and single materials, significantly enriching the application scenarios in communication, sensing, imaging, and other fields. However, the unconventional shape presents challenges in manufacturing arbitrarily sophisticated 3D micro/nano structures on optical fiber tips. Femtosecond laser 3D nano‐printing (FL‐3DNp) technology injects new vitality into the functionalization of fiber tips due to its high‐precision, customizable structure, and real 3D processing abilities, as well as advantages of non‐vacuum, maskless, and plentiful materials. This paper extensively compares the key performance parameters of various micro‐nano manufacturing technologies for functionalizing optical fiber probes and focuses on the FL‐3DNp technology. In addition, the latest research progresses are systematically presented from the perspective of structure and application. Finally, the current research challenges and future development directions in this emerging field are discussed, aiming at providing scientific and industrial guidance for FL‐3DNp in functionalizing optical fibers.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Femtosecond Laser 3D Nano‐Printing for Functionalization of Optical Fiber Tips

Bian,

Hu,

et al. 2024

Laser & Photonics Reviews

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“…A femtosecond pulsed laser with a pulse width of about ten femtoseconds can contain millions of spectral components, which is equivalent to millions of continuous wave lasers with different center wavelengths but the same repetition frequency. Femtosecond pulsed laser has been widely used in optical fiber, [16][17][18] micromachining, [19][20][21] and nonlinear optics. [22][23][24] The demand for ultrafast and real-time imaging is increasing with the deepening of scientific research.…”

Section: Introductionmentioning

confidence: 99%

Digital holography for real-time detection based on femtosecond laser

Yang

Huang

2022

Holography, Diffractive Optics, and Applications XII

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Pulsed digital holography, which combines femtosecond pulsed laser and digital holography, is a novel technology for detecting ultrafast transient processes in real-time. Pulsed digital holography can obtain a series of amplitude and phase information of the ultrafast process in one shot at the femtosecond or picosecond order, and comprehensively characterize the whole picture of the ultrafast process. However, the system of pulsed digital holography currently has the defects of complexing, poor stability, small number of pulse frames, and low utilization of space bandwidth, which seriously limits practical applications. In this work, a real-time detection system is designed for ultrafast transient processes, which has the property of high stability, femtosecond or picosecond time order resolution, and adjustable pulse frames. The pulsed lasers are used instead of traditional continuous lasers. The proposed system design provides a competitive approach to ultrafast transient imaging.

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Accuracy-improved ultrasonic phase algorithm for measuring lubricant film thickness

Wang,

He,

et al. 2024

International Journal of Mechanical Sciences

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Simultaneous measurement of film thickness and wave velocity in liquid-film flow with an optical fiber probe, micro-fabricated by a femtosecond pulse laser

Cited by 7 publications

References 38 publications

Femtosecond Laser 3D Nano‐Printing for Functionalization of Optical Fiber Tips

Femtosecond Laser 3D Nano‐Printing for Functionalization of Optical Fiber Tips

Digital holography for real-time detection based on femtosecond laser

Accuracy-improved ultrasonic phase algorithm for measuring lubricant film thickness

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