| Spectrum evolution of cascaded mismatching long-period fiber gratings. | |
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MedLine Citation:
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PMID: 22441484 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Two identical long-period fiber gratings (LPFGs) are difficult to produce in practice, notably for CO<sub>2</sub>-laser or arc-discharge induced LPFGs. So it is meaningful to study the spectrum evolution of cascaded LPFGs with some deviation, named "mismatching" LPFGs. Theory and experiment demonstrate that the upper envelope of the fringe pattern is intrinsically curved but less dramatically than the lower envelope. Bending the grating pair to introduce proper cladding-mode loss can improve the contrast of the fringe pattern at a desired wavelength, which indicates that cascaded mismatching LPFGs can be used as high-quality comb filters or fiber sensors. |
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Authors:
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Xuesong Liu; Li Zhan; Shouyu Luo; Zhaochang Gu; Jinmei Liu; Qishun Shen |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Applied optics Volume: 51 ISSN: 1539-4522 ISO Abbreviation: - Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-3-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0247660 Medline TA: Appl Opt Country: - |
Other Details:
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Languages: ENG Pagination: 1367-1374 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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