Portable tunable interband cascade laser spectrometer using thin-film waveguides for food contaminant analysis

被引:1
作者
Femenias, A. [1 ]
Erdem, M. [2 ]
Fomina, P. [1 ]
Scheuermann, J. [3 ]
Blazhko, U. [2 ]
Freitag, S. [4 ]
Bosman, A. J. [5 ,6 ]
Weih, R. [3 ]
Koeth, J. [3 ]
Kohler, A. [2 ]
Krska, R. [4 ,7 ]
Salentijn, G. I. J. [5 ,6 ]
Ruggeri, F. S. [5 ,8 ]
Mizaikoff, B. [1 ,9 ]
机构
[1] Ulm Univ, Inst Analyt & Bioanalyt Chem, Albert-Einstein-Allee 11, D-89075 Ulm, Germany
[2] Norwegian Univ Life Sci, Fac Sci & Technol, Drobakveien 31, N-1432 As, Norway
[3] Nanoplus Adv Photon Gerbrunn GmbH, D-97218 Gerbrunn, Germany
[4] Univ Nat Resources & Life Sci, Inst Bioanalyt & Agrometabol, Dept Agro Biotechnol IFA Tulln, Konrad Lorenzstr 20, A-3430 Vienna, Austria
[5] Wageningen Univ & Res, Lab Organ Chem, Stippeneng 4, NL-6708 WE Wageningen, Netherlands
[6] Wageningen Univ & Res, Wageningen Food Safety Res, Akkermaalsbos 2, NL-6708 WB Wageningen, Netherlands
[7] Queens Univ Belfast, Inst Global Food Secur, Sch Biol Sci, 19 Chlorine Gardens, Belfast BT9 5DL, North Ireland
[8] Wageningen Univ & Res, Phys Chem & Soft Matter, Stippeneng 4, NL-6708 WE Wageningen, Netherlands
[9] Hahn Schickard, Sedanstr 14, D-89077 Ulm, Germany
基金
欧盟地平线“2020”;
关键词
SPECTROSCOPY;
D O I
10.1063/5.0226248
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Interband cascade lasers (ICL) are high output power mid-infrared light sources with low power consumption, serving as a viable alternative to more commonly applied quantum cascade lasers. The integration of ICLs with thin-film waveguides facilitates miniaturized sensing platforms based on the principles of evanescent field absorption toward tailorable high-fidelity portable mid-infrared (MIR) sensing solutions for on-site chemical analysis. The analytical performance of a MIR sensing system is presented combining a tunable interband cascade laser emitting at a wavelength range of 5.88-6.09 mu m (1702-1641 cm(-1)) with a 6 mu m GaAs/AlGaAs thin-film waveguide as the active transducer for customized evanescent field absorption analysis of food contaminants. A comparison of the analytical performance of the developed tICL-based system vs conventional Fourier-transform infrared spectroscopy is presented for the exemplary analysis of the Fusarium mycotoxin deoxynivalenol, a persistent food contaminant resulting from fungal infection. The thin-film waveguide enhances the sensitivity compared to conventional attenuated total reflection systems, revealing improved detection limits. The compact design of the system, along with the favorable analytical figures-of-merit and automated data processing, confirm the potential of the developed tICL-based spectrometer for on-site detection of food contaminants at various stages along the food supply chain. (c) 2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND) license (https://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
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页数:7
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