Frequency-agile THz-wave generation and detection system using nonlinear frequency conversion at room temperature | Zendy

Ruixiang Guo | Zendy; Tomofumi Ikari | Zendy; Jun Zhang | Zendy; Hiroaki Minamide | Zendy; Hiromasa Ito | Zendy

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Frequency-agile THz-wave generation and detection system using nonlinear frequency conversion at room temperature

Author(s) -

Ruixiang Guo,

Tomofumi Ikari,

Jun Zhang,

Hiroaki Minamide,

Hiromasa Ito

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.016430

Subject(s) - terahertz radiation , optics , achromatic lens , laser linewidth , materials science , spectrometer , optoelectronics , terahertz spectroscopy and technology , nonlinear optics , laser , physics

A surface-emitting THz parametric oscillator is set up to generate a narrow-linewidth, nanosecond pulsed THz-wave radiation. The THz-wave radiation is coherently detected using the frequency up-conversion in MgO: LiNbO(3) crystal. Fast frequency tuning and automatic achromatic THz-wave detection are achieved through a special optical design, including a variable-angle mirror and 1:1 telescope devices in the pump and THz-wave beams. We demonstrate a frequency-agile THz-wave parametric generation and THz-wave coherent detection system. This system can be used as a frequency-domain THz-wave spectrometer operated at room-temperature, and there are a high possible to develop into a real-time two-dimensional THz spectral imaging system.

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