Fabrication of ring-core waveguide in aluminosilicate glass by metal particle manipulation due to CW-laser irradiation

Tetsuo Kishi; Yukihiro Yoshida; Hirofumi Hidai; Fumiya Noritake; Nobuhiro Matsushita; Tetsuji Yano

doi:10.1117/12.2311661

17 May 2018 Fabrication of ring-core waveguide in aluminosilicate glass by metal particle manipulation due to CW-laser irradiation

Tetsuo Kishi, Yukihiro Yoshida, Hirofumi Hidai, Fumiya Noritake, Nobuhiro Matsushita, Tetsuji Yano

Author Affiliations +

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 106830R (2018) https://doi.org/10.1117/12.2311661
Event: SPIE Photonics Europe, 2018, Strasbourg, France

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.

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Tetsuo Kishi, Yukihiro Yoshida, Hirofumi Hidai, Fumiya Noritake, Nobuhiro Matsushita, and 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); https://doi.org/10.1117/12.2311661

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