@article{Liu-2017-RSI,
	doi = {10.1063/1.4983144},
	year = {2017},
	volume = {88},
	number = {5},
	pages = {053110},
	author = {Xuelu Liu and He-Nan Liu and Jiang-Bin Wu and Han-Xu Wu and Tao Zhang and Weiqian Zhao and Ping-Heng Tan},
	title = {Filter-based ultralow-frequency {R}aman measurement down to 2 cm-1 for fast {B}rillouin spectroscopy measurement},
	journal = {Rev. Sci. Instrum.}
}