Coherent electro-optical detection of terahertz radiation from an optical parametric oscillator.

  title={Coherent electro-optical detection of terahertz radiation from an optical parametric oscillator.},
  author={Fanzhen Meng and Mark M. Thomson and Daniel Molter and Torsten L{\"o}ffler and Joachim Jonuscheit and Rene Beigang and Juergen Bartschke and Tobias Bauer and M. Nittmann and Hartmut G. Roskos},
  journal={Optics express},
  volume={18 11},
We report the realization of coherent electro-optical detection of nanosecond terahertz (THz) pulses from an optical parametric oscillator, which is pumped by a Q-switched nanosecond Nd:YVO4 laser at 1064 nm and emits at approximately 1.5 THz. The beam profile and wavefront of the THz beam at focus are electro-optically characterized toward the realization of a real-time THz camera. A peak dynamic range of approximately 37 dB/radical Hz is achieved with single-pixel detection. 
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