Menlo Systems Gmbh

Rafal Wilk

Ronald Holzwarth

Michael Mei

The invention relates to an optical assembly () comprising a pulsed light source () for generating primary light pulses (), a pulse splitter () for splitting said primary light pulses () into first and second secondary light pulses (), and a delay element () for delaying said second secondary light pulses () relative to said first secondary light pulses (), where the pulse repetition rate of said pulsed light source () is variable in order to change a temporal delay between different secondary light pulses () The invention is characterized in that said optical assembly () comprises a thermal insulation (), a temperature stabilizer () or a temperature compensator () for said delay element () and/or a control circuit () for determining and controlling a drift of said pulse repetition rate.

Optical assembly and method for generating light pulses of variable delay

A device for generating or receiving electromagnetic radiation in a frequency range from 10 GHz to 100 THz is provided. The device includes a housing and a wave guide fiber leading into the housing. The wave guide fiber is adapted for guiding pulsed laser light with a first central wavelength. Within the housing, a terahertz converter is provided for generating or receiving the electromagnetic radiation in the terahertz range. The device also includes a frequency converter for converting the light exiting from the wave guide fiber to a second central wavelength being arranged between the end of the wave guide fiber and the terahertz converter in such a way that the terahertz converter is impinged by the frequency converted light.

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Martinsried, Germany

Rafal Wilk