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Achromatic Lenses

Photonics Spectra
Oct 2010
Edmund Optics Inc.Request Info
 
Edmund Optics is expanding its selection of TechSpec MgF2-coated achromatic lenses. Consisting of two optical components cemented together to form an achromatic doublet, the lenses include fast achromatic types and micro achromats. They are computer-optimized to correct for on-axis spherical and chromatic aberrations and offer a variety of optical solutions for polychromatic illumination and imaging needs. Fast achromatic lenses allow for maximum light collection and are designed to produce a small, focused spot size and high-quality images without decreasing the clear aperture, and they offer improved chromatic focal shift. Featuring f/1 designs, they have been designed to minimize chromatic and spherical aberration for good focused spots at short working distances. They are available with a single-layer MgF2 coating in diameters ranging from 9 to 25 mm. Other designs and coating options also are available. They are suitable for use in laser focusing applications.


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GLOSSARY
aperture
An opening or hole through which radiation or matter may pass.
illumination
The general term for the application of light to a subject. It should not be used in place of the specific quantity illuminance.
lens
A transparent optical component consisting of one or more pieces of optical glass with surfaces so curved (usually spherical) that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that object.
polychromatic illumination
Light that is a mixture of wavelengths.
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