17 May 2018 Fabrication of ring-core waveguide in aluminosilicate glass by metal particle manipulation due to CW-laser irradiation
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Abstract
The ring-core refractive-index profile in RO-Al2O3-SiO2 glass (R = Ca and Ba) was formed by the manipulation of a platinum (Pt) microsphere via continuous-wave laser irradiation method (the CW-LM3 method). The homogeneously modified area could be obtained in the CAS glass (R = Ca) with a wide velocity of the microsphere, though the BAS glass (R = Ba) showed inhomogeneous modified area with periodic structure. The even-width modified line was fabricated by controlling the velocity of the Pt microsphere, and the ring-core structure with the highest refractive index change was fabricated in the CAS glass with the Pt-microsphere speed of 46 μm/sec.
Conference Presentation
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Tetsuo Kishi, Tetsuo Kishi, Yukihiro Yoshida, Yukihiro Yoshida, Hirofumi Hidai, Hirofumi Hidai, Fumiya Noritake, Fumiya Noritake, Nobuhiro Matsushita, Nobuhiro Matsushita, Tetsuji Yano, Tetsuji Yano, } "Fabrication of ring-core waveguide in aluminosilicate glass by metal particle manipulation due to CW-laser irradiation", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106830R (17 May 2018); doi: 10.1117/12.2311661; https://doi.org/10.1117/12.2311661
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