Experimental study on THz wave generation optically pumped by CH3F gas
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    Abstract:

    THz wave has high research value and broad application prospects in many fields. One of the keys for wide applications of THz technology is to develop THz sources with high power, high energy, high efficiency, room temperature operation, tunability, low cost, and portability. An optically pumped gas THz laser has the advantages such as high power, high energy, wide wavelength range, and reliability, which make it be a reliable THz source in the fields of perspective imaging and nondestructive testing. In this paper, the 496 μm THz wave is investigated, which is generated by using the 9P(20) branch line of a Transversely Excited Atmospheric(TEA) CO2 laser when pumping the CH3F gas. In addition, the influences of some factors on the output power of THz are also analyzed. The maximum THz pulse energy obtained in the experiment is 57.14 μJ, and the wavelength is 490 μm.

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荣克鹏,赵卫疆,安国斐,刘晓旭,蔡 和,韩聚洪,王 浟.光泵CH3F气体产生THz波的实验研究[J]. Journal of Terahertz Science and Electronic Information Technology ,2019,17(5):744~749

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History
  • Received:August 12,2018
  • Revised:January 09,2019
  • Adopted:
  • Online: November 04,2019
  • Published: