The paper describes phenomena observed as a result of laser pencil beam interactions with abrupt interfaces including aerodynamic shocks. Based on these phenomena, a novel flow visualization technique based on a laser scanning pencil beam is introduced. The technique reveals properties of light interaction with interfaces including aerodynamic shocks that are not seen using conventional visualization. Various configurations of scanning beam devices including those with no moving parts, as well as results of "proof-of-concept" tests, are included.


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    Title :

    Wave Propagation Through Inhomogeneities With Applications to Novel Sensing Techniques


    Contributors:
    Adamovsky, G. (author) / Tokars, R. (author) / Varga, D. (author) / Floyd B. (author)

    Conference:

    46th AIAA Aerospace Science Meeting and Exhibit ; 2008 ; Reno, NV, United States


    Publication date :

    2008-06-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Wave Propagation Through Inhomogeneities with Applications to Novel Sensing Techniques

    Adamovsky, G. / Tokars, R. / Varga, D. et al. | British Library Conference Proceedings | 2008


    Wave Propagation Through Inhomogeneities with Applications to Novel Sensing Techniques

    Adamovsky, Grigory / Tokars, Roger / Varga, Donald et al. | AIAA | 2008



    Image formation through inhomogeneities

    Leith, Emmett N. / Chen, Chiaohsiang / Cunha, Andre | SPIE | 1991