Terahertz system
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jun 23, 2015
filing date -
Jun 25, 2014
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Abstract
The present invention relates to a terahertz system for generating and time-resolved incoherent detecting of THz radiation, said system comprising a pulse laser light source (1) emitting laser pulses with a pulse duration of up to 1 ps at a repetition frequency of at least 1 MHz, a first THz antenna serving as sender (3) which is optically coupled to the laser light source (1) and converts the laser pulses into THz pulses with a pulse duration of up to 10 ps, and a second THz antenna serving as receiver (5). It is the object of the present invention to provide an improved terahertz system. As compared with the state of the art, it is above all intended to allow for a faster incoherent measurement of THz radiation. To this end, the present invention proposes to couple the second THz antenna to a detector circuitry whose bandwidth is at least equivalent to the repetition frequency of the laser light source. Furthermore, the present invention relates to applications of the terahertz system as well to a method for generating and time-resolved incoherent detecting of THz radiation.
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