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Silicon thin film on SiO2 was used for efficient generation of broadband terahertz pulses. The THz output power as a function of pump polarization and as a function of bias for different pump powers were measured. The mechanism for the THz generation is assigned to photocurrent surge.
For the first time, we have identified eighteen new absorption peaks from Malathion which is used as a simulant for VX nerve agent in a spectral range from 15 to 6000 wave numbers.
Efficient terahertz pulses have been generated based on resonant optical rectification using sub-picosecond laser pulses at 790 run from nanolayers to microlayers of InN with the layer thicknesses in the range of 25-1270 nm.
We have observed distinct rotational transitions in two carbon monoxide isotopic variants, carbon dioxide, and nitrogen dioxide by using our newly-developed widely-tunable monochromatic THz source.
Fourier transform infrared spectroscopy was employed to fingerprint human insulin and insulin lispro in the mid-IR and THz domains. The differences of the transition peaks between the two biochemical species have been observed.
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