Dual electro-optic frequency comb photonic thermometry

被引：4

作者：

Fleisher, Adam J. ^{[1
]}

Ahmed, Zeeshan ^{[2
]}

Herman, Tobias ^{[2
]}

Hartings, Matthew R. ^{[3
]}

机构：

[1] Natl Inst Stand & Technol, Mat Measurement Lab, 100 Bur Dr, Gaithersburg, MD 20899 USA

[2] Natl Inst Stand & Technol, Phys Measurement Lab, 100 Bur Dr, Gaithersburg, MD 20899 USA

[3] Amer Univ, Dept Chem, 4400 Massachusetts Ave NW, Washington, DC 20016 USA

来源：

OPTICS LETTERS | 2023年 / 48卷 / 09期

关键词：

TEMPERATURE SENSOR; HIGH-RESOLUTION; SPECTROSCOPY; PRECISION;

D O I：

10.1364/OL.482838

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a precision realization of photonic thermometry using dual-comb spectroscopy to interrogate a it-phase -shifted fiber Bragg grating. We achieve readout stability of 7.5 mK at 1 s and resolve temperature changes of simi-lar magnitude-sufficient for most industrial applications. Our dual-comb approach enables rapid sensing of dynamic temperature, and our scalable and reconfigurable electro-optic generation scheme enables a broad sensing range without laser tuning. Reproducibility on the International Temperature Scale of 1990 is tested, and ultimately lim-ited by the frequency reference and check-thermometer stability. Our demonstration opens the door for a univer-sal interrogator deployable to multiple photonic devices in parallel to potentially unravel complex multi-physical quan-tity measurements. (c) 2023 Optica Publishing Group

引用

页码：2210 / 2213

页数：4

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