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Hun-Kook Choi, Young-Jun Jung, Bong-Ahn Yu, Jae-Hee Sung, Ik-Bu Sohn, Jong-Yeol Kim and Md. Shamim Ahsan
This paper demonstrates the fabrication of radiation-resistant fiber Bragg grating (FBG) sensors using infrared femtosecond laser irradiation. FBG sensors were written inside acrylate-coated fluorine-doped single-mode specialty optical fibers. We detecte...
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Hui Xu, Shuai Yuan, Zhengru Guo, Qingshan Zhang, Yanying Ma, Qiang Hao, Kun Huang, Min Li, Yuan Nie and Heping Zeng
We demonstrated a straightforward approach to generate red and near-infrared laser emissions by a Raman-assisted four wave mixing (FWM) process in a nonlinear Yb-doped fiber amplifier, delivering 342 fs pulses of 241 nJ at 864 nm, 834 fs pulses of 21 nJ ...
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Ryo Sato, Yuki Shimizu, Hiraku Matsukuma and Wei Gao
This paper presents an intentional investigation of the effect of the object tilt angle on the tracking local minimum method (TL method), which is the one for detecting the measurement target position of the object optical axis, in a chromatic confocal p...
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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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Zhijian Wu, Yang Ding and Xuefeng Peng
We fabricated a core-cladding Ge?Sb?Se glass fiber with a Ge12.5Sb15Se72.5 core and Ge15Sb10Se75 cladding, achieved a supercontinuum spectrum spanning from 2 µm to 9 µm by pumping the Ge?Sb?Se fiber with a core diameter of 11 µm using a femtosecond laser...
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