Document Detail

Mode-beating-enabled stopband narrowing in all-solid photonic bandgap fiber and sensing applications.
MedLine Citation:
PMID:  21643066     Owner:  NLM     Status:  In-Data-Review    
In this paper, core-cladding modal beating in a short piece of all-solid photonic bandgap fiber (AS-PBF) is observed in longitudinal propagation direction. It is demonstrated that at the stopband range of AS-PBF, the power could transfer back and forth between the fiber core and the first layer of high-index rods. Both experimental results and the theoretical analysis from transverse coupled mode theory confirm that the 3-dB width of the sharp stopband could be significantly narrowed by multicycles of such core-cladding modal couplings, which is of great benefit to the high-resolution sensing applications. Based on such a guiding regime, a high-temperature sensor head is also made and its response to temperature is tested to be of 59.9 pm/°C.
Youfu Geng; Xuejin Li; Xiaoling Tan; Yuanlong Deng; Yongqin Yu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  19     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-06-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  8167-72     Citation Subset:  IM    
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