A compact differential laser Doppler velocimeter using a semiconductor laser

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Jentink, H.W. and Beurden, J.A.J. van and Helsdingen, M.A. and Mul, F.F.M. de and Suichies, H.E. and Aarnoudse, J.G. and Greve, J. (1987) A compact differential laser Doppler velocimeter using a semiconductor laser. Journal of Physics E: Scientific Instruments, 20 (10). pp. 1281-1283. ISSN 0022-3735

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Abstract:A small differential laser Doppler velocimeter which uses a semiconductor laser and a small number of optical components is described. In this device the light from the laser diode is split into coherent beams by means of a diffraction grating. The two first-order beams are crossed in a probe volume with a lens. In a test experiment the velocity of water containing 0.9 mu m polystyrene spheres was determined from the fluctuation of the scattered light. This velocity agreed with the velocity calculated from flux measurements.
Item Type:Article
Copyright:© Institute of Physics and IOP Publishing Limited 1987
Link to this item:http://purl.utwente.nl/publications/59007
Official URL:http://dx.doi.org/10.1088/0022-3735/20/10/029
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