We present novel lens designs for Terahertz imaging. Kirchhoff’s diffraction theory and experimental results show that the achievable resolution depends critically on the lens shape, and a resolution of close to ?/2 can be achieved.
© 2008 Optical Society of America
(110.0110) Imaging systems : Imaging systems
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.1250) Optical design and fabrication : Aspherics
(110.6795) Imaging systems : Terahertz imaging
Y. H. Lo and R. Leonhardt, "Aspheric Lenses for Terahertz Imaging," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CThD6.
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