High numeric aperture silicon lenses in terahertz systems incur strong aberration which impact spatial pulse profiles and coupling efficiencies. An aspheric lens's spectral response demonstrates less spatial amplitude variation compared to a standard collimating lens.
© 2007 Optical Society of America
M. T. Reiten and R. A. Cheville, " Spatially Resolved Terahertz Pulse Propagation from an Aspheric Lens," in Optical Terahertz Science and Technology, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper TuC1.
References are not available for this paper.