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Precision Toroids for Spectroscopy & Imaging

publication date: Sep 30, 2014
 | 
author/source: Optical Surfaces

Toroidal mirrors

Optical Surfaces Ltd. are a leading international supplier of high precision toroidal mirrors (toroids) made to your exact specification.

Toroidal mirrors are normally used where a beam needs to be focused or folded. The design of toroidal mirrors eliminates astigmatism normally caused by concave spherical mirrors. Toroidal mirrors are widely used for correction of aberration in a range of applications served by spectroscopic instruments, monochromators and imaging devices that require pinpoint focusing.

With workshops and test facilities deep underground where temperatures remain constant and vibration is practically non-existent Optical Surfaces routinely produces toroidal mirrors in a range of materials (Zerodur, BK7, Fused Silica) with typical surface accuracy of better than lambda/5 (dependent on size and radius) and surface quality of 20:10 scratch dig.  Working with a comprehensive inventory of advanced testing techniques - Optical Surfaces can produce both Plano-convex and Plano-concave toroidal mirrors in a range of shapes (largest dimension up to 400mm) with high performance and durable optical coatings that provide superior image quality.

Optical Surfaces ISO 9001-2000 approved manufacturing facility provides the flexible resources to supply from single specialist requirements to OEM quantities.  Benefiting from its stable environment, quality testing becomes quantifiable and reliable. All toroidal mirrors are provided with a complete quality test assurance report.


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