NDLI: Compact two wavelength Brillouin fiber laser sensor with double Brillouin frequency spacing

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Compact two wavelength Brillouin fiber laser sensor with double Brillouin frequency spacing

Content Provider	Scilit
Author	Liu, Yi Zhang, Mingjiang Zhang, Jianzhong Han, Hong Yi, Xiaogang Zhang, Jianguo Wang, Yuncai
Copyright Year	2016
Description	Journal: Laser Physics A compact two wavelength Brillouin fiber laser (BFL) sensor with double Brillouin frequency spacing is proposed and demonstrated. In the experiment, 20 m polarization maintaining fiber is used as the sensing element and Brillouin gain medium. This short cavity configuration not only guarantees single longitudinal mode operation of two Stokes wavelengths, but also can effectively reduce external perturbations, complexity and noise of BFL in the absence of an erbium-doped fiber amplifier in intra-cavity. In experiment, about 2 MHz/°C sensitivity of beat frequency between the pump and the 2nd-order Stokes wavelength keep in good agreement with the theoretical value. Meanwhile, 0.2 °C temperature stability and ±0.1 dB power fluctuation are better than the traditional structure. The system is simple and stable, making it convenient for more applications.
Related Links	http://iopscience.iop.org/article/10.1088/1054-660X/26/12/125106/pdf
ISSN	1054660X
e-ISSN	15556611
DOI	10.1088/1054-660x/26/12/125106
Journal	Laser Physics
Issue Number	12
Volume Number	26
Language	English
Publisher	IOP Publishing
Publisher Date	2016-11-16
Access Restriction	Open
Subject Keyword	Journal: Laser Physics
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Instrumentation Atomic and Molecular Physics, and Optics Condensed Matter Physics

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