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Fabrication and characterization of femtosecond laser induced microwave frequency photonic fiber grating.


ABSTRACT: 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.

SUBMITTER: Cheng B 

PROVIDER: S-EPMC7489451 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Fabrication and characterization of femtosecond laser induced microwave frequency photonic fiber grating.

Cheng Baokai B   Song Yang Y   Hua Liwei L   Xiao Hai H  

Journal of lightwave technology : a joint IEEE/OSA publication 20200506 19


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  ...[more]

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