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  Quantitative broadband chemical sensing in air-suspended solid-core fibers

Euser, T. G., Chen, J. S. Y., Scharrer, M., Russell, P. S. J., Farrer, N. J., & Sadler, P. J. (2008). Quantitative broadband chemical sensing in air-suspended solid-core fibers. JOURNAL OF APPLIED PHYSICS, 103(10): 103108. doi:10.1063/1.2924408.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6CA2-C Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6CA3-A
Genre: Zeitschriftenartikel

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 Urheber:
Euser, T. G.1, Autor           
Chen, J. S. Y.1, Autor           
Scharrer, M.1, Autor           
Russell, P. St. J.1, Autor           
Farrer, N. J.2, Autor
Sadler, P. J.2, Autor
Affiliations:
1Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364712              
2external, ou_persistent22              

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Schlagwörter: PHOTONIC CRYSTAL FIBERS; OPTICAL-FIBER; FIELD ENHANCEMENT; DISPERSIONPhysics;
 Zusammenfassung: We demonstrate a quantitative broadband fiber sensor based on evanescent-field sensing in the cladding holes of an air-suspended solid-core photonic crystal fiber. We discuss the fabrication process, together with the structural and optical characterization of a range of different fibers. Measured mode profiles are in good agreement with finite element method calculations made without free parameters. The fraction of the light in the hollow cladding can be tuned via the core diameter of the fiber. Dispersion measurements are in excellent agreement with theory and demonstrate tuning of the zero dispersion wavelength via the core diameter. Optimum design parameters for absorption sensors are discussed using a general parameter diagram. From our analysis, we estimate that a sensitivity increase of three orders of magnitude is feasible compared to standard cuvette measurements. Our study applies to both liquid and gas fiber sensors. We demonstrate the applicability of our results to liquid chemical sensing by measuring the broad absorption peak of an aqueous NiCl(2) solution. We find excellent agreement with the reference spectrum measured in a standard cuvette, even though the sample volume has decreased by three orders of magnitude. Our results demonstrate that air-suspended solid-core photonic crystal fibers can be used in quantitative broadband chemical-sensing measurements. (C) 2008 American Institute of Physics.

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Sprache(n): eng - English
 Datum: 2008
 Publikationsstatus: Online veröffentlicht
 Seiten: 7
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000256303800009
DOI: 10.1063/1.2924408
 Art des Abschluß: -

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Titel: JOURNAL OF APPLIED PHYSICS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA : AMER INST PHYSICS
Seiten: - Band / Heft: 103 (10) Artikelnummer: 103108 Start- / Endseite: - Identifikator: ISSN: 0021-8979