期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 38, 期 19, 页码 5286-5292出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2020.2991697
关键词
Microwave photonics; fiber optics; fiber gratings; femtosecond laser micromachining
资金
- DOE [DE-FE0031765]
- NIH [P20GM121342]
We proposed and fabricated a microwave-frequency photonic fiber grating (MPFG) by femtosecond laser micromachining on optical fibers. Illuminated by low coherent light source, the MPFG can be interrogated using proposed microwave photonic system to show the resonant peaks in microwave frequency domain. We studied the working principle and characteristics of this device. After that, we discussed the influence of fiber type, apodization and light source coherence lengths on this device. The device can also respond to ambient temperature change like fiber optic sensors.
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