| Presentation | 2001/5/11 Refractive Index Profiles Measurement in Optical Fiber Preforms Fujio Katou, Issei Sasaki, Shingo Okazaki, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A novel technique for the measurement of refractive index profile in optical fiber preforms is presented. The method uses image distortion analysis for determining ray deflection, which the index profiles can be numerically converted from. A reference pattern is located behind of the sample preform and distortion in its image taken through the preform may be observed if non-uniformity exists in it. In previous report, a static angled knife-edge as reference pattern was used and then sample is restricted within axial-dependence free profiles. For applying the technique to wide range of types of preform, we introduce straight, scanning knife-edge. In order to confirm the method, we construct prototype system and operate measurement. The results show a good agreement to result obtained from fiber drawn from the preform revealing cone structure near the end of the preform. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Optical fiber preform / Index profile measurement / Scanning knife-edge method |
| Paper # | OFT2001-10 |
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| Conference Information | |
| Committee | OFT |
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| Conference Date | 2001/5/11(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Optical Fiber Technology (OFT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Refractive Index Profiles Measurement in Optical Fiber Preforms |
| Sub Title (in English) | |
| Keyword(1) | Optical fiber preform |
| Keyword(2) | Index profile measurement |
| Keyword(3) | Scanning knife-edge method |
| 1st Author's Name | Fujio Katou |
| 1st Author's Affiliation | Hokkaido Institute of Technology() |
| 2nd Author's Name | Issei Sasaki |
| 2nd Author's Affiliation | Hokkaido Institute of Technology:Advanced Technology Inc. |
| 3rd Author's Name | Shingo Okazaki |
| 3rd Author's Affiliation | SEIKO EG&G |
| Date | 2001/5/11 |
| Paper # | OFT2001-10 |
| Volume (vol) | vol.101 |
| Number (no) | 63 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |