Concave mirrors are used to collect and focus light without the introduction of chromatioc aberration. They are often used in broadband applications where the chromatic aberration introduced by a lens is not acceptable.
The concave mirrors have a protective aluminum coating on BK7 substrate, and the focal length of the mirrors vary from 15-500mm. Concave mirror with dielectric coating is also available. See <Laser Cavity Mirror>
Material: Borofloat Glass
Dimension Tolerance: +0.00/-0.1 mm
Surface Quality: 40-20 or better
Clear Aperture: 90% of diameter
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