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Efficient Terahertz Parametric Source Using Flat Pump Beam
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AI
DOI：10.1109/TTHZ.2022.3231965.png)
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Abstract
En 中文
A flat pump beam was used to improve efficiency and miniaturize an injection-seeded terahertz-wave parametric generator (is-TPG). The improved power density of the pump beam and interaction length of the terahertz-wave reduced the required pump beam energy by > 85% compared with the conventional system. The reduced generation threshold made it possible to construct is-TPG spectroscopic systems with pump beams of <= 3 mJ.
Keywords:
Laser excitation
Laser beams
Crystals
Density measurement
Power system measurements
Pump lasers
Optical pumping
Terahertz parametric source
terahertz spectroscopic system
terahertz-wave
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4
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1.5K
Citations:
3.6K