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GIST Scholar College of Information and Computing Department of Electrical Engineering and Computer Science 1. Journal Articles

Fabrication of Micro Fresnel Zone Plate Lens on a Mode-Expanded Hybrid Optical Fiber Using a Femtosecond Laser Ablation System

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Author(s)
Kim, Jun Ki; Kim, Jongki; Oh, Kyunghwan; Sohn, Ik-Bu; Shin, Woojin; Choi, Hae Young; Lee, Byeong Ha
Type
Article
Citation
IEEE Photonics Technology Letters, v.21, no.1-4, pp.21 - 23
Issued Date
2009-01
Abstract
We present a compact all-fiber zone plate lens directly ablated on the surface of a mode-expanded hybrid fiber end by using a high precision femtosecond laser processing technique. To achieve a sufficiently large beam size and focusing efficiency, a segment of a coreless silica fiber having a 200-mu m diameter was adapted. Focusing properties of the zone plate lens were experimentally investigated and compared with numerical simulations.
Publisher
Institute of Electrical and Electronics Engineers
ISSN
1041-1135
DOI
10.1109/LPT.2008.2007912
URI
https://scholar.gist.ac.kr/handle/local/17188
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