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Call +44 (0)1622 859444An aspheric lens has one surface that does not follow a typical spherical structure. Manufactured using advanced techniques, an asphere can reduce spherical aberrations and improve the optical performance in a compact and efficient system.
Utilising our partnership with Torrent Photonics, our parent company, Knight Optical can provide our customer’s with high-quality aspheric lenses, leveraging advanced CNC machining. With capabilities to work with a wide range of materials, including optical glass, silicon, MgF2, and chalcogenide glass, Knight Optical ensure that we can provide aspheric lenses that meet the demanding optical requirements across the UV, visible, and IR wavelengths.
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| Materials | N-BK7, silicon, chalcogenides, germanium, and other optical glass |
|---|---|
| Dimensions | 4mm to 200mm |
| Surface Figure | < lambda/20 |
| Surface Quality | < 40/20 |
|---|---|
| Coatings | AR, BBAR, DLC |
Benefits
System Performance
Using an aspheric lens within an optical system can reduce the size and weight as one aspheric lens can be used in place of multiple spherical lens elements. Aspherical lenses remove spherical aberrations, and reduce chromatic aberrations, leading to enhanced imaging performance.
Laser Grade Capabilities
Utilising traditional grind-and-polish manufacturing processes, we can achieve precision surface quality and roughness, ideal for applications and achieving high LDT.
Compliance
Manufactured in facilities that are ITAR registered and can achieve MIL-spec compliance.
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Industries Served
Machine Vision
Security & Defence
Scientific
Semiconductor
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With our in-house state-of-the-art metrology laboratory you can be confident that your optical components will meet your requirements. You can find out more about our testing facilities here.
Operating for over 30 years
Knight Optical has been operating for over 30 years, with our managing director Colin Overton at the helm. Over this time, we have become a global leader in the production and distribution of scientific optical components and bringing quality into focus for all of our products and services that we provide.