Method and device for analyzing flows

A device for analyzing a flow in at least one of a fluid and a gas for providing at least one of a three-dimensional determination of velocity components of the flow and a three-dimensional visualization of the flow, the device comprising:

• a first arrangement to arrange spatially one after another in a detection space at least two roughly parallel light planes, and to generate temporally the at least two roughly parallel light planes one after another using electromagnetic radiation having at least one of a predefined frequency, a predefined frequency spectrum and a predefined color, the first arrangement including an illuminating device;
• a second arrangement to scan at least regions of the detection space using the at least two roughly parallel light planes, and to detect electromagnetic waves that are at least one of partially emitted and scattered by particles that are contained in the detection space and that characterize the flow, the second arrangement including at least one image detector;
• and
• a third arrangement to change as a function of time at least one of a frequency, a frequency spectrum and an intensity detected by at least one of the at least one image detector of the electromagnetic waves that are at least one of partially emitted and scattered by the particles.