Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing

Yuto Kaneko; Hidetaka Hayashi; Yasuyuki Ishii; Wataru Kada; Hiroyuki Nishikawa

doi:10.1016/j.nimb.2019.09.004

Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing

Yuto Kaneko, Hidetaka Hayashi, Yasuyuki Ishii, Wataru Kada, Hiroyuki Nishikawa

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We studied polydimethylsiloxane nanocomposites with oxides such as TiO₂, SiO₂, and Al₂O₃ aiming at proton beam writing (PBW) of buried optical waveguides. Relatively high transmission was achieved for 1.0 wt% TiO₂/PDMS composite without aggregation. The refractive index can be tunable by varied TiO₂ concentration in nanocomposites. We evaluated refractive index changes by 1.0 MeV proton irradiation. Refractive index of TiO₂/PDMS nanocomposite increased at low fluence of less than 100 nC/mm² and then decreased at higher fluence. On the other hand, we observed monotonic increase of the refractive index as a function of fluence for PDMS and PDMS nanocomposites with SiO₂ and Al₂O₃. We also compared thermo optic effect of PDMS nanocomposites. We evaluated buried optical waveguides in TiO₂/PDMS nanocomposite written by PBW for near field patterns with single mode waveguide.

Original language	English
Pages (from-to)	94-97
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	459
DOIs	https://doi.org/10.1016/j.nimb.2019.09.004
Publication status	Published - 2019 Nov 15

Keywords

Nanocomposites
Optical waveguide
Polydimethylsiloxane
Proton beam writing
Thermo optic effect
Titania

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2019.09.004

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Kaneko, Y., Hayashi, H., Ishii, Y., Kada, W., & Nishikawa, H. (2019). Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 459, 94-97. https://doi.org/10.1016/j.nimb.2019.09.004

Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing. / Kaneko, Yuto; Hayashi, Hidetaka; Ishii, Yasuyuki et al.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 459, 15.11.2019, p. 94-97.

Research output: Contribution to journal › Article › peer-review

Kaneko, Y, Hayashi, H, Ishii, Y, Kada, W & Nishikawa, H 2019, 'Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 459, pp. 94-97. https://doi.org/10.1016/j.nimb.2019.09.004

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abstract = "We studied polydimethylsiloxane nanocomposites with oxides such as TiO2, SiO2, and Al2O3 aiming at proton beam writing (PBW) of buried optical waveguides. Relatively high transmission was achieved for 1.0 wt% TiO2/PDMS composite without aggregation. The refractive index can be tunable by varied TiO2 concentration in nanocomposites. We evaluated refractive index changes by 1.0 MeV proton irradiation. Refractive index of TiO2/PDMS nanocomposite increased at low fluence of less than 100 nC/mm2 and then decreased at higher fluence. On the other hand, we observed monotonic increase of the refractive index as a function of fluence for PDMS and PDMS nanocomposites with SiO2 and Al2O3. We also compared thermo optic effect of PDMS nanocomposites. We evaluated buried optical waveguides in TiO2/PDMS nanocomposite written by PBW for near field patterns with single mode waveguide.",

keywords = "Nanocomposites, Optical waveguide, Polydimethylsiloxane, Proton beam writing, Thermo optic effect, Titania",

author = "Yuto Kaneko and Hidetaka Hayashi and Yasuyuki Ishii and Wataru Kada and Hiroyuki Nishikawa",

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AU - Kaneko, Yuto

AU - Hayashi, Hidetaka

AU - Ishii, Yasuyuki

AU - Kada, Wataru

AU - Nishikawa, Hiroyuki

PY - 2019/11/15

Y1 - 2019/11/15

N2 - We studied polydimethylsiloxane nanocomposites with oxides such as TiO2, SiO2, and Al2O3 aiming at proton beam writing (PBW) of buried optical waveguides. Relatively high transmission was achieved for 1.0 wt% TiO2/PDMS composite without aggregation. The refractive index can be tunable by varied TiO2 concentration in nanocomposites. We evaluated refractive index changes by 1.0 MeV proton irradiation. Refractive index of TiO2/PDMS nanocomposite increased at low fluence of less than 100 nC/mm2 and then decreased at higher fluence. On the other hand, we observed monotonic increase of the refractive index as a function of fluence for PDMS and PDMS nanocomposites with SiO2 and Al2O3. We also compared thermo optic effect of PDMS nanocomposites. We evaluated buried optical waveguides in TiO2/PDMS nanocomposite written by PBW for near field patterns with single mode waveguide.

AB - We studied polydimethylsiloxane nanocomposites with oxides such as TiO2, SiO2, and Al2O3 aiming at proton beam writing (PBW) of buried optical waveguides. Relatively high transmission was achieved for 1.0 wt% TiO2/PDMS composite without aggregation. The refractive index can be tunable by varied TiO2 concentration in nanocomposites. We evaluated refractive index changes by 1.0 MeV proton irradiation. Refractive index of TiO2/PDMS nanocomposite increased at low fluence of less than 100 nC/mm2 and then decreased at higher fluence. On the other hand, we observed monotonic increase of the refractive index as a function of fluence for PDMS and PDMS nanocomposites with SiO2 and Al2O3. We also compared thermo optic effect of PDMS nanocomposites. We evaluated buried optical waveguides in TiO2/PDMS nanocomposite written by PBW for near field patterns with single mode waveguide.

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Refractive index change and thermo-optic effect in polydimethylsiloxane nanocomposites with oxide nanoparticles induced by proton beam writing

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