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Fabrication of ring-core waveguide in aluminosilicate glass by metal particle manipulation due to CW-laser irradiation
Author(s): Tetsuo Kishi; Yukihiro Yoshida; Hirofumi Hidai; Fumiya Noritake; Nobuhiro Matsushita; Tetsuji Yano
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Paper 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.

Paper Details

Date Published: 17 May 2018
PDF: 7 pages
Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106830R (17 May 2018); doi: 10.1117/12.2311661
Show Author Affiliations
Tetsuo Kishi, Tokyo Institute of Technology (Japan)
Yukihiro Yoshida, Tokyo Institute of Technology (Japan)
Hirofumi Hidai, Chiba Univ. (Japan)
Fumiya Noritake, Univ. of Yamanashi (Japan)
Nobuhiro Matsushita, Tokyo Institute of Technology (Japan)
Tetsuji Yano, Tokyo Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 10683:
Fiber Lasers and Glass Photonics: Materials through Applications
Stefano Taccheo; Jacob I. Mackenzie; Maurizio Ferrari, Editor(s)

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