United States Patent Application 20180031469
Inventors:
Aiko, Kenji (Tokyo, JP)
Shimura, Kei (Tokyo, JP)
http://www.freepatentsonline.com/y2018/0031469.html
A terahertz wave generating device according to the present invention comprises a fixed-wavelength pump optical laser that generates a single wavelength pump beam, a variable-wavelength laser that emits a seed beam and is capable of making the wavelength of the seed beam variable, a delay element that delays pulses of the pump beam and a first non-linear crystal that generates terahertz waves by receiving the seed beam, a first pump beam that is not delayed by the delay element and a second pump beam that is delayed by the delay element.
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