Compact and portable terahertz source by mixing two frequencies generated simultaneously by a single solid-state laser |
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| Authors: | Zhao Pu Ragam Srinivasa Ding Yujie J Zotova Ioulia B |
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| Institution: | Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA. |
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| Abstract: | We have demonstrated a compact and portable terahertz (THz) source, based on difference-frequency generation in a GaSe crystal. The two input frequencies, required for achieving frequency mixing, are generated by a single Q-switched Nd:YLF laser incorporating two laser resonators. The average power of the THz output reaches 1 μW at 1.64 THz (182 μm) within a linewidth of 65 GHz. Such a THz source can be packaged into a compact and portable system. |
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