We demonstrate a new excitation technique which dramatically improves the power and efficiency of photoconductive THz sources. Using an extended line excitation we mitigate screening effects reaching an average THz power of 8 /spl mu/W at /spl sim/ 27 mW average optical power.
High efficiency terahertz photoconducting sources by use of spatially shaped excitation
01.01.2004
106553 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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