光学
太赫兹辐射
激光器
混合(物理)
固态
太赫兹光谱与技术
材料科学
物理
量子力学
工程物理
作者
Pu Zhao,Srinivasa Ragam,Yujie J. Ding,Ioulia B. Zotova
出处
期刊:Optics Letters
[The Optical Society]
日期:2010-11-23
卷期号:35 (23): 3979-3979
被引量:107
摘要
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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