Vertical-Fluid-Array-Induced Optical Microfiber Long-Period Grating (VIOLIN) Refractometer

Autor:	Lili Liang, Deming Hu, Long Jin, Li-Peng Sun, Peng Xiao, Bai-Ou Guan, Junqiu Long, Yang Ran, Zhiyuan Xu
Rok vydání:	2020
Předmět:	business.product_category Materials science Optical fiber business.industry Resonance Grating Atomic and Molecular Physics and Optics law.invention Optics Refractometer law Microfiber Fluidics business Refractometry Refractive index
Zdroj:	Journal of Lightwave Technology. 38:2434-2440
ISSN:	1558-2213 0733-8724
DOI:	10.1109/jlt.2020.2964769
Popis:	We propose and experimentally demonstrate a highly flexible and applicable configuration, namely, the “ v ertical-fluid-array i nduced o ptic microfiber l ong per i od grati n g” (VIOLIN), for fully exploring the characteristics of liquids. The presence of flowing liquid in the periodically carved grooves of the designated substrate can activate a long-period grating resonance, as the microfiber is attached. Since the features of the resonance depend strongly on the refractive index of the fluid, the VIOLIN can be utilized as a refractometer with a high sensitivity of 2443 nm/RIU. Modeling and simulation are employed to investigate the mechanism of the sensor, which can be described as follows briefly: “Liquid renders the resonance to light. Light deciphers the secret of liquid.” Moreover, due to the highly elastic control of the fluidic array and the detachable configuration, multiple sensing and easy reconfiguration of the VIOLIN can be realized. The VIOLIN is expected to be highly suitable for microfiber-based chemo/biosensing applications.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::fd7c4ee87d99b8b529d2b0cc4ad0fc77 https://doi.org/10.1109/jlt.2020.2964769 Zobrazit plný text záznamu