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We report terahertz time-domain spectroscopy system based on Er:fiber laser at 1.55 μm wavelength. Ion-irradiated In0.53Ga0.47As photoconductive antenna is used as emitter. The detection is based on a phase modulation detection scheme in DAST electro-optic sensor.
We present a fiber-based 2-port THz electro-optic sampling system at 1.55 mum wavelength. Frequency components are extended up to 2 THz and the dynamic range is larger than 40 dB regardless of the direction of the electromagnetic wave propagating in the waveguide. The symmetrical 2-port pigtailed electro-optic probe allows to determine the direction of propagation of the guided picosecond electromagnetic...
We present a fiber-based 2-port THz electro-optic sampling system at 1.55 mum wavelength, including an ultrafast In0.53Ga0.47As photoconductive switch and a freely positionable prismatic electro-optic probe. Frequency components are extended up to 2 THz and the dynamic range is larger than 40 dB regardless of the direction of the electromagnetic wave propagating in the waveguide thanks to the 2-port...
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