Request InfoOptical Surfaces Ltd.Optical Surfaces Ltd. is offering planoconvex and planoconcave toroidal mirrors for pinpoint focusing in spectroscopic and imaging applications. The mirrors have two different radii whose axes are oriented at 90° to each other. They have advantages in applications where a beam must be focused and folded. Rather than requiring both a spherical and a plane mirror for this purpose, the mirrors combine both functions in one element, enabling increased energy throughput and more compact designs. 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