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| Presentation | 2009-10-30 11:20 Photodarkening in Ytterbium-Doped Silica Fibers Tomofumi Arai, Kentaro Ichii, Shoji Tanigawa, Shoichiro Matsuo (Fujikura)  OFT2009-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have investigated the origin of photodarkening phenomenon in Al-Yb doped fibers by ESR, XAFS, and optical transmittance measurements. It has been proved that there is a similarity between the defects created by the incidence of pump light and by the irradiation with g-ray, and that the increase in the transmission loss by photodarkening in the VIS-NIR wavelength region is primarily arose from the optical absorption by defects of Al-oxygen hole center (Al-OHC). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Yb-doped fiber / Photodarkening / Defect / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 255, OFT2009-48, pp. 69-72, Oct. 2009. | |
| Paper # | OFT2009-48 | |
| Date of Issue | 2009-10-22 (OFT) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | OFT2009-48 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2009-10-29 - 2009-10-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2009-10-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Photodarkening in Ytterbium-Doped Silica Fibers |
| Sub Title (in English) | |
| Keyword(1) | Yb-doped fiber |
| Keyword(2) | Photodarkening |
| Keyword(3) | Defect |
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| 1st Author's Name | Tomofumi Arai |
| 1st Author's Affiliation | Fujikura Ltd. (Fujikura) |
| 2nd Author's Name | Kentaro Ichii |
| 2nd Author's Affiliation | Fujikura Ltd. (Fujikura) |
| 3rd Author's Name | Shoji Tanigawa |
| 3rd Author's Affiliation | Fujikura Ltd. (Fujikura) |
| 4th Author's Name | Shoichiro Matsuo |
| 4th Author's Affiliation | Fujikura Ltd. (Fujikura) |
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| Speaker | Author-1 |
| Date Time | 2009-10-30 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2009-48 |
| Volume (vol) | vol.109 |
| Number (no) | no.255 |
| Page | pp.69-72 |
| #Pages | 4 |
| Date of Issue | 2009-10-22 (OFT) |
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