Femtosecond laser micro-machining

Femtosecond laser micro-machining is a precise and advanced laser technique. It can emit ultrashort laser pulse in the femtosecond range (10-15 seconds) with intense high peak power, allowing precise material removal. This technique minimizes thermal damage to the surrounding material while maintain...

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Main Author: Wee, Jonas Chee Yong
Other Authors: Wonkeun Chang
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2024
Subjects:
Online Access:https://hdl.handle.net/10356/176918
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1769182024-05-24T15:44:00Z Femtosecond laser micro-machining Wee, Jonas Chee Yong Wonkeun Chang School of Electrical and Electronic Engineering wonkeun.chang@ntu.edu.sg Engineering Physics Femtosecond laser micro-machining is a precise and advanced laser technique. It can emit ultrashort laser pulse in the femtosecond range (10-15 seconds) with intense high peak power, allowing precise material removal. This technique minimizes thermal damage to the surrounding material while maintaining structural integrity, offering extreme precision and accuracy. This property makes the Femtosecond laser micro-machining suitable to be used on a wide range of materials opening possibilities for various applications. Femtosecond laser micro-machining is a cutting-edge technology that brought significant advancement to the micro-fabrication of optical fibers. The optical fiber is a glass filament which is as thin as a human hair therefore requiring very precise fabrication. Although there are different microfabrication techniques such as direct laser ablation and arc discharge, these techniques have limitations in terms of precision and thermal damage to the surrounding material. However, the introduction of femtosecond laser micro-machining highly precise and controlled micro-structuring with minimized thermal damage to the surrounding material has enabled the creation of intricate and complex micro-structures on optical fibers, expanding the capabilities in various domains. With the help of femtosecond laser micro-machining, one key application of optical fiber achieved is the gas sensing fiber. This project serves to explore the factors of femtosecond laser micro-machining affecting the quality of the micro-machined structure and find the best balance between the factors for creating smooth and optimised access for gas filling of the hollow-core optical fiber. Bachelor's degree 2024-05-23T06:00:23Z 2024-05-23T06:00:23Z 2024 Final Year Project (FYP) Wee, J. C. Y. (2024). Femtosecond laser micro-machining. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/176918 https://hdl.handle.net/10356/176918 en A2054-231 application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering
Physics
spellingShingle Engineering
Physics
Wee, Jonas Chee Yong
Femtosecond laser micro-machining
description Femtosecond laser micro-machining is a precise and advanced laser technique. It can emit ultrashort laser pulse in the femtosecond range (10-15 seconds) with intense high peak power, allowing precise material removal. This technique minimizes thermal damage to the surrounding material while maintaining structural integrity, offering extreme precision and accuracy. This property makes the Femtosecond laser micro-machining suitable to be used on a wide range of materials opening possibilities for various applications. Femtosecond laser micro-machining is a cutting-edge technology that brought significant advancement to the micro-fabrication of optical fibers. The optical fiber is a glass filament which is as thin as a human hair therefore requiring very precise fabrication. Although there are different microfabrication techniques such as direct laser ablation and arc discharge, these techniques have limitations in terms of precision and thermal damage to the surrounding material. However, the introduction of femtosecond laser micro-machining highly precise and controlled micro-structuring with minimized thermal damage to the surrounding material has enabled the creation of intricate and complex micro-structures on optical fibers, expanding the capabilities in various domains. With the help of femtosecond laser micro-machining, one key application of optical fiber achieved is the gas sensing fiber. This project serves to explore the factors of femtosecond laser micro-machining affecting the quality of the micro-machined structure and find the best balance between the factors for creating smooth and optimised access for gas filling of the hollow-core optical fiber.
author2 Wonkeun Chang
author_facet Wonkeun Chang
Wee, Jonas Chee Yong
format Final Year Project
author Wee, Jonas Chee Yong
author_sort Wee, Jonas Chee Yong
title Femtosecond laser micro-machining
title_short Femtosecond laser micro-machining
title_full Femtosecond laser micro-machining
title_fullStr Femtosecond laser micro-machining
title_full_unstemmed Femtosecond laser micro-machining
title_sort femtosecond laser micro-machining
publisher Nanyang Technological University
publishDate 2024
url https://hdl.handle.net/10356/176918
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