Aspherical THz F-theta Lenses

Radiation control is necessary in many areas of terahertz photonics. This is mainly done using parabolic mirrors and spherical lenses. However the latter can be replaced with f-theta lenses to focus radiation in terahertz imaging and scanning systems as f-theta lenses provide a flat focal surface and an almost constant spot size over the entire scanning field. 

Learn more about Aspherical THz F-theta Lenses. 

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