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| Presentation | 2012-05-24 15:15 Analyzing a New Mechanism of Air Holes to Suppress Micro-bending Loss in Large-mode-area Optical Fibers Yukihiro Tsuchida, Kazunori Mukasa, Ryuichi Sugizaki (Furukawa Electric Co., Ltd.)  OFT2012-4 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have reported a new type of optical fibers with a core formed by matured technology, namely the VAD method, and air-holes arranged in a circular pattern around the fiber edge, which do not affect its optical properties such as Aeff, macro-bending loss, and cutoff wavelength but reduce micro-bending loss. From this result, we have indicated that the air-holes have a novel functionality of absorbing micro-deformation from the outside, leading to the significant reduction of micro-bending loss. However, we have not yet fully understood the mechanism of the micro-bending loss reduction, whether the reduction is obtained by mechanical effect of air-holes or index difference between air and silica. Moreover, we have not yet investigated the micro-bending loss dependent on the air-hole diameter. In this paper, in order to study a functionality of air-holes placed around the fiber edge, we designed and fabricated the trench-index core fiber with Aeff of 140 $\mu m^{2}$ having air-holes acting as micro-bending loss reducer with macro-bending loss of 28 dB/m and micro-bending loss of 7.8 dB/km, which has a low micro-bending loss relative to the micro-bending loss value of SMF with the same Aeff of 140 $\mu m^{2}$. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hole-assisted fiber / Large-mode-area optical fiber / Micro-bending losses / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 54, OFT2012-4, pp. 15-19, May 2012. | |
| Paper # | OFT2012-4 | |
| Date of Issue | 2012-05-17 (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 | OFT2012-4 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2012-05-24 - 2012-05-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hida, Earth Wisdom Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2012-05-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analyzing a New Mechanism of Air Holes to Suppress Micro-bending Loss in Large-mode-area Optical Fibers |
| Sub Title (in English) | |
| Keyword(1) | Hole-assisted fiber |
| Keyword(2) | Large-mode-area optical fiber |
| Keyword(3) | Micro-bending losses |
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| 1st Author's Name | Yukihiro Tsuchida |
| 1st Author's Affiliation | Furukawa Electric Co., Ltd. (Furukawa Electric Co., Ltd.) |
| 2nd Author's Name | Kazunori Mukasa |
| 2nd Author's Affiliation | Furukawa Electric Co., Ltd. (Furukawa Electric Co., Ltd.) |
| 3rd Author's Name | Ryuichi Sugizaki |
| 3rd Author's Affiliation | Furukawa Electric Co., Ltd. (Furukawa Electric Co., Ltd.) |
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| Speaker | Author-1 |
| Date Time | 2012-05-24 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2012-4 |
| Volume (vol) | vol.112 |
| Number (no) | no.54 |
| Page | pp.15-19 |
| #Pages | 5 |
| Date of Issue | 2012-05-17 (OFT) |
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