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http://dx.doi.org/10.5515/KJKIEES.2011.22.10.927

20 GHz Pulse Sampling Oscilloscope Based on Electro-Optic Technique  

Lee, Dong-Joon (Center for Electromagnetic Wave, Korea Research Institute of Standards and Science)
Kang, No-Weon (Center for Electromagnetic Wave, Korea Research Institute of Standards and Science)
Lee, Joo-Gwang (Center for Electromagnetic Wave, Korea Research Institute of Standards and Science)
Kang, Tae-Weon (Center for Electromagnetic Wave, Korea Research Institute of Standards and Science)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.22, no.10, 2011 , pp. 927-933 More about this Journal
Abstract
This paper presents an optical sampling technique which can be used to overcome the limited bandwidth of a commercial electronic sampling oscilloscope for pulsed signal measurement. Employing an ultrafast laser with 0.1 ps pulse duration, 20 GHz electromagnetic pulses were generated through a fast photodiode. These pulses were transmitted through a microstrip line and sampled with an optically triggered electro-optic system. Two sampled 20 GHz pulses - measured independently over the transmission line with a non-contacting electro-optic method and conventional electronic one through a coaxial cable - were compared.
Keywords
Oscilloscope; Electromagnetic Pulse Measurement; Electro-Optic Sampling; Pump-Probe Experiment; THz Detection;
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