Boosting terahertz radiation in THz-TDS using continuous-wave laser

A method to enhance terahertz radiation, by mixing a continuous-wave (CW) laser with a femtosecond pump laser beam in terahertz timedomain spectroscopy (Thz-TDS), is presented in this study. Experiment results show that the peak-to-peak amplitude of THz radiation is enhanced by 17% when a CW laser o...

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Bibliographic Details
Published inElectronics letters Vol. 46; no. 5; p. 1
Main Authors Ryu, C, Kong, S G
Format Journal Article
LanguageEnglish
Published Stevenage John Wiley & Sons, Inc 04.03.2010
Subjects
Amplitudes
Femtosecond
Laser beams
Lasers
Pumps
Spectroscopy
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Summary:A method to enhance terahertz radiation, by mixing a continuous-wave (CW) laser with a femtosecond pump laser beam in terahertz timedomain spectroscopy (Thz-TDS), is presented in this study. Experiment results show that the peak-to-peak amplitude of THz radiation is enhanced by 17% when a CW laser of 15 mW is employed. THz radiation increases as the power of the CW laser grows.
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ISSN:0013-5194
1350-911X