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Mode coupling in photonic crystal fiber using long-period gratings for enhanced overlap of evanescent field
- 1.0350226 - URE-Y 2011 RIV US eng C - Conference Paper (international conference)
He, Z. - Zhu, Y. - Kaňka, Jiří - Trevor, D. - Du, H.
Mode coupling in photonic crystal fiber using long-period gratings for enhanced overlap of evanescent field.
Fiber Optic Sensors and Applications VII. Bellingham: SPIE, 2010 - (Mendez, A.; Du, H.; Wang, A.; Udd, E.; Mihailov, S.), 767711-1-767711-7. ISBN 9780819481412. ISSN 0277-786X.
[SPIE Defense, Security, and Sensing. Orlando (US), 05.04.2010-09.04.2010]
R&D Projects: GA ČR GA102/08/1719
Institutional research plan: CEZ:AV0Z20670512
Keywords : Photonic crystal fiber * Long-period grating * Refractive index sensors
Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering
An evanescent field sensing platform is being pursued through excitation of cladding modes using long-period (LPGs) inscribed in an endlessly single-mode photonic crystal fiber (ESM PCF) by CO2 laser irradiation. Core-cladding mode coupling and recoupling has resulted in significant improvement in the evanescent field overlap throughout the cladding air channels in the PCF-LPG, compared to the PCF alone.
Permanent Link: http://hdl.handle.net/11104/0190280