Two-dimensional laser Doppler velocimeter using polarized beams and 90 phase shift for discrimination of velocity direction - Koichi Maru; Liu Yan Hu; Rong Sheng Lu; Yusaku Fujii; P.P. Yupapin (My University, 2010)
Keywords: Phase velocity; Beat (acoustics); Group velocity; Acoustic Doppler velocimetry; Advanced Fiber Optic Sensors