Durst, F.

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Durst, F.
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Durst, F.

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  • Publication
    Diffractive beam splitter for laser Doppler velocimetry
    (Optical Society of America, 1992-09-01)
    Schmidt, J. 
    ;
    Völkel, R. 
    ;
    Stork, W. 
    ;
    Sheridan, John T. 
    ;
    Schwider, J. 
    ;
    Streibl, N. 
    ;
    Durst, F. 
    A miniaturized sensor head for the optical measurement of velocities of fluids based on laser Doppler velocimetry is demonstrated. Holographic optical elements mounted on a glass substrate are used for beam splitting and deflection. Volume holograms in dichromated gelatin exhibit good optical efficiency (75% transmission of a cascade of two holographic optical elements). With diffractive devices one can achieve achromatic behavior that makes the sensor insensitive to wavelength drifts or mode hopping of a semiconductor laser.
      593Scopus© Citations 45