Document Detail

Sensitive hydrogen sensor based on selectively infiltrated photonic crystal fiber with Pt-loaded WO<sub>3</sub> coating.
MedLine Citation:
PMID:  24978759     Owner:  NLM     Status:  In-Data-Review    
A sensitive hydrogen sensing device based on a selectively infiltrated photonic crystal fiber (PCF) coated with Pt-loaded WO<sub>3</sub> is demonstrated. With Pt-loaded WO<sub>3</sub> coating acting as the catalytic layer, hydrogen undergoes an exothermic reaction with oxygen and releases heat when the device is exposed to gas mixtures of air and hydrogen, which induces local temperature change in the PCF and hence leads to the resonant wavelength shift of the proposed device. The maximum wavelength shift of 98.5 nm is obtained with a 10-mm-long infiltrated PCF for 4% (v/v) H<sub>2</sub> concentration, and a hydrogen sensitivity of 32.3 nm/% (v/v) H<sub>2</sub> is achieved within the range of 1%-4% (v/v) H<sub>2</sub> in air.
Ying Wang; D N Wang; Fan Yang; Zhi Li; Minghong Yang
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  39     ISSN:  1539-4794     ISO Abbreviation:  Opt Lett     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-07-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3872-5     Citation Subset:  IM    
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