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Characterization of external refractive index sensitivity of a photonic crystal fiber long-period grating
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SYSNO ASEP 0448966 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Characterization of external refractive index sensitivity of a photonic crystal fiber long-period grating Author(s) Tian, F. (US)
Kaňka, Jiří (URE-Y)
Du, H. (US)Number of authors 3 Source Title Chinese Optics Letters - ISSN 1671-7694
Roč. 13, č. 7 (2015), s. 0705011-0705013Number of pages 3 s. Publication form Print - P Language eng - English Country CN - China Keywords Carbon dioxide lasers ; Crystal whiskers ; Optical fiber fabrication Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects LH11038 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support URE-Y - RVO:67985882 UT WOS 000360937900012 EID SCOPUS 84939832422 DOI 10.3788/COL201513.070501 Annotation Long-period gratings (LPGs) are fabricated in a photonic crystal fiber (PCF) using the symmetric pointby- point CO2 laser irradiation method to explore the sensitivity characterization of PCF-LPG. Numerical simulation is used to guide the investigation. It is found that the refractive index (RI) sensitivity of PCF-LPG depends on the coupled cladding modes as well as the coupled resonance wavelength (RW) of the LPG. Experimental studies show that the longer the RW, the higher the RI sensitivity for the same cladding mode. At similar RWs, the lower the cladding mode, the higher the RI sensitivity of PCF-LPG Workplace Institute of Radio Engineering and Electronics Contact Petr Vacek, vacek@ufe.cz, Tel.: 266 773 413, 266 773 438, 266 773 488 Year of Publishing 2016
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