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Xuan-Huy Nguyen, Chao-Ming Chen, Hien-Thanh Le and Hsiao-Yi Lee
The galvanometer scanning system plays a crucial role in modern laser material processing. With the development of this industry, the requirements for galvanometer scanners are getting higher and higher, especially to overcome the inherent disadvantages ...
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Aayush Madan, Stephanie Hui Kit Yap, Varghese Paulose, Wonkeun Chang, Perry Ping Shum and Jianzhong Hao
This paper presents the fabrication of a fiber Bragg grating (FBG)-based Fabry?Perot (FP) structure (7 mm total length) in an adiabatic fiber taper, investigates its strain and temperature characteristics, and compares the sensing characteristics with a ...
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Yu-Hsuan Hung, Hung-Liang Chien and Yung-Chun Lee
An excimer laser three-dimensional (3D) micromachining system is proposed based on a mask image projection method and the optical diffraction effect. The effects of optical diffraction on the laser machining rate are evaluated using a hole-arrayed mask p...
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Jinseob Kim, Hyuntai Kim, Gun-Yeal Lee, Juhwan Kim, Byoungho Lee and Yoonchan Jeong
We propose a novel design method for multi-focal metallic Fresnel zone plates (MFZPs), which exploits the phase selection rule by putting virtual point sources (VPSs) at the desired focal points distant to the MFZP plane. The phase distribution at the MF...
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Peter A. Arrabiyeh, Martin Bohley, Felix Ströer, Benjamin Kirsch, Jörg Seewig and Jan C. Aurich
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