Spectroscopic Imaging with an Ultra-Broadband (1–4 THz) Compact Terahertz Difference-Frequency Generation Source

Generation of THz Pulse by PANDA Ring for THz Imaging

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Terahertz wave generation by plasmonic-enhanced difference-frequency generation

Yuanxun Ge, Jianjun Cao, Zhenhua Shen, Yuanlin Zheng, Xianfeng Chen, and Wenjie Wan* Department of Physics, The State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China University of Michigan–Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China *Corresponding author: wenjie....

Real-time broadband terahertz spectroscopic imaging by using a high-sensitivity terahertz camera

Terahertz (THz) imaging has a strong potential for applications because many molecules have fingerprint spectra in this frequency region. Spectroscopic imaging in the THz region is a promising technique to fully exploit this characteristic. However, the performance of conventional techniques is restricted by the requirement of multidimensional scanning, which implies an image data acquisition t...

A Study on Narrow-band THz (Terahertz) Source with Adjustable Center Frequency Based on Optical Rectification

The center frequency of the narrow-band THz wave is always unstable with the optical rectification methods. Therefore, the high-phase stable time-delay generator Etalon and the parallel grating pair compressor with the self-adaptive optical path compensation function are designed according to the principle that two lasers in different paths will result in specific relative time delay; with LiNb...

Ultra-broadband frequency generation in a cavity confined Raman medium