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
2004-01-01
106553 byte
Conference paper
Electronic Resource
English
High Efficiency Terahertz Photoconducting Sources by use of Spatially Shaped Excitation
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