Plano-convex and plano-concave toroidal mirrors for imaging applications
Optical Surfaces
Optical Surfaces offers a range of plano-convex and plano-concave toroidal mirrors for spectroscopic and imaging applications.
The company produces custom toroidal mirrors in a range of materials (Zerodur, BK7, Fused Silica) with typical surface accuracy of better than lambda/5 and surface quality of 20:10 scratch dig.
Optical Surfaces can produce both Plano-convex and Plano-concave toroidal mirrors in a range of shapes — largest dimension up to 400mm — with durable optical coatings.
Key specifications
- Offers advantages where a beam must be focused and folded
- Rather than using both a spherical mirror and a plane mirror, both functions may be combined in one element
- The lower number of optical elements increases energy throughput, saves money and also allows for more compact designs
- Toroidal mirrors also correct for the astigmatism that result when a spherical mirror is used off axis
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