A He-Ne laser beam is sent through a common path differential interferometer and the interference signal is detected by a p-i-n photodiode. Weak phase objects can be examined because optical path changes can be resolved to 0.1 Å with a time resolution of about 20 ns. Examples for different gas-dynamic investigations show good results and demonstrate the wide field of application for this type of laser interferometer.


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    Titel :

    Laser Interferometer for High Sensitivity Measurements on Transient Phase Objects


    Beteiligte:
    Smeets, G. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.03.1972


    Format / Umfang :

    1761198 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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