Study of Refractive Index Change in Ge-Doped Fibers with Vacuum Ultraviolet Light Irradiation

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概要

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• We determined that refractive index change of Ge-doped silica can be induced by vacuum ultraviolet (VUV) light irradiation from Xe2*, Kr2*, and Ar2* excimer lamps using fabricated fiber Bragg grating (FBG) in the core of the hydrogen-loaded fiber as the material. It was found that irradiation with light from Xe2* and Kr2* excimer lamps can change the refractive index in the core and irradiation with light from Ar2* excimer lamps cannot. The change in refractive index under 146 nm light irradiation was greater than that under 172 nm light irradiation. The change in refractive index induced by irradiation with VUV light can be maintained up to approximately 130 °C.

• 2008-09-25

著者

• Katto Masahito

  Cooperative Research Center University Of Miyazaki

• Yamamoto Ikuo

  Toyoko ELMES Co., Ltd., 5-15-18 Higashikasugaya, Ebina, Kanagawa 243-0401, Japan

• Maezono Yoshinari

  JST Innovation Satellite Miyazaki, Japan Science and Technology Agency, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan

• Iwasa Yousuke

  JST Innovation Satellite Miyazaki, Japan Science and Technology Agency, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan

• Wasamoto Makoto

  Faculty of Electrical and Electronics Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan

• Yokotani Atsushi

  Faculty of Electrical and Electronics Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan

• Katto Masahito

  Cooperative Research Center, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan

関連論文

• Vacuum Ultraviolet Laser-Induced Surface Alteration of SiO_2 : Beam Induced Physics and Chemistry
• Vacuum Ultraviolet Laser-Induced Surface Alteration of SiO_2
• Beam Profile Measurement of Vacuum Ultraviolet Lasers with Photostimulable Phosphor
• Separation Technique for Raisins and Stems Utilizing Characteristics of Polarization
• Study of Refractive Index Change in Ge-Doped Fibers with Vacuum Ultraviolet Light Irradiation
• Growth of $\beta$-FeSi2 Thin Films on Silicon Substrates by Pulsed Laser Deposition Using $\varepsilon$-FeSi Alloy Targets
• A Photochemical Process Investigation of Slica Thin Films by an Irradiation from an Ar2* Excimer Lamp
• Fabrication of Tilted Fiber Bragg Grating as A Sensor of Refractive Index of Liquids

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