A Doppler velocimeter using a diffraction grating and white light is proposed. Using the theory of Fourier optics and fringe model, the principle of operation of this Doppler velocimeter, its performance, and advantages over other arrangements are discussed.
C. P. Wang, "Doppler Velocimeter Using Diffraction Grating and White Light," Appl. Opt. 13, 1193-1195 (1974)