%0 Journal Article %T Sub-external cavity effect and elimination method in laser self-mixing interference wave plate measurement system %A Niu, Haisha %A Niu, Yanxiong %A Song, Jianjun %J Chinese Physics B %V 27 %N 2 %P 6 %@ 1674-1056 %D 2018-02-01 %~ DeepDyve