We report on the optical properties of ultra thin metallic layers in the frequency range of 0.1-5 THz. Such layers show unusual properties compared to the bulk material which are successfully exploited in new application fields such as THz optics. The measured properties of ultra-thin metallic layers made by chromium in the frequency from 0.2 to 5 THz is presented. The decreased amplitude of the reflected THz pulses has been exploited as a metallic anti-reflection coating for electro-optic gallium phosphide sensor which improved the gained signal quality.


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    Title :

    Ultra-thin metallic layers studied by broadband terahertz time-domain spectroscopy


    Contributors:
    Kroll, J. (author) / Darmo, J. (author) / Unterrainer, K. (author)


    Publication date :

    2004-01-01


    Size :

    132880 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English