High Precision Freeform Mirrors
31 Oct 2019
Freeform mirrors have a non-symmetric optical surface offering advantages over conventional optics by allowing compound compensation and a reduction in the number of system optics to reduce optical volume and ease alignment. They also offer improved performance through additional aberration correction and tolerance redistribution.
Spectrum Scientific, Inc’s (SSI) replication process offers a cost-effective method for volume manufacturing of freeform mirrors on aluminium or glass substrates with typical surface figure down to λ/8 or better with a surface roughness of 3.5Å and gold or aluminium coatings.
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