Achromatically injection-seeded terahertz-wave parametric generator
Tóm tắt
An achromatically injection-seeded terahertz-wave parametric generator (ais-TPG) was constructed using MgO:LiNbO/sub 3/ crystals and a tunable seeder using a stationary dispersion-compensated optical arrangement. Without readjusting the mirrors, smooth tuning of the terahertz-wave over the 0.6/spl sim/2.6 THz range was obtained by adjusting the seeder wavelength alone. The feasibility of this system for terahertz-wave absorption measurements over a wide frequency range was successfully demonstrated using low-pressure water vapor.
Từ khóa
#Optical frequency conversion #Gratings #Tunable circuits and devices #Laser tuning #Optical resonators #Frequency conversion #Telescopes #Lenses #Nonlinear optics #Optical pumpingTài liệu tham khảo
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