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The availability of new optical and electronic components and the increasing demands on measurement accuracy have led to a continuous development of the laser Doppler measurement technique in recent years. This article reviews the developments in optical systems, signal processing, data processing and in the application of LDA systems. Particular emphasis is placed on examining how well present instruments meet the changing needs of the fluid mechanics community and what improvements would be desirable in the near future.
Cameron Tropea (Thu,) studied this question.