Broad tuning terahertz wave generator based on Doppler frequency modulator cyclic frequency shift
A Doppler frequency and wave generator technology, which is applied in the field of broadband tuning terahertz wave generators, can solve the problems of narrow tuning width, low conversion efficiency, low tuning efficiency, etc., and achieves large tuning range, high tuning efficiency and volume. small effect
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[0028] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0029] The present invention provides a wide-tuning terahertz wave generator based on the cyclic frequency shift of a Doppler frequency modulator, such as figure 1 As shown, it includes a laser 1, a circulator 2, a beam splitter 3, a cyclic frequency shifting link 4 based on a frequency shift of a Doppler frequency modulator, a beam combiner 5, an optical isolator 6 and an optoelectronic device with a terahertz radiation antenna Converter 7. The light output by the laser 1 passes through the circulator 2 and is divided into the first path and the second path by the beam splitter 3. The first ...
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