Yan Huang, Peiyan Li, Lü Guohui, Hongwei Li, Chengxiang Wang, Zheli Yao. Detection of Ethanol Content in Ethanol Gasoline Based on Tilted Fiber Bragg Gratings[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0106001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 1, 0106001 (2022)
Fig. 1. TFBG structure
Fig. 2. Relationship between refractive index of ethanol gasoline and ethanol volume fraction
Fig. 3. TFBG transmission spectra of an order cladding mode at different volume fraction
Fig. 4. Relationship between resonant wavelength and refractive index
Fig. 5. TFBG experimental setup for detecting ethanol content in ethanol gasoline
Fig. 6. TFBG transmission spectra at 8.3%‒14.3% volume fraction
Fig. 7. Relationship between cladding mode resonance wavelength near 1553 nm and ethanol volume fraction in TFBG
Fig. 8. TFBG experimental spectrum of E10 ethanol gasoline sample
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Table 1. Instruments used in the experiment
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