Diamond Turned Aspheric Lenses for Thermal Imaging

We supply a range of diamond turned aspherics for a range of applications

Description

Knight Optical can supply you with a custom made Diamond turned aspheric lenses for use within Thermal Imaging Cameras. We supply a range of diamond turned aspherics for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Thermal Imaging Cameras work similarly to traditional visible camera systems; while traditional cameras form images using visible light; thermal cameras form images using infrared radiation; operating in wavelengths as long as 14µm. Spherical aberration occurs in common singlet lenses, which results in an image that appears distorted, aspheric lenses correct spherical aberration. An aspheric lens surface is designed non-spherical, which allows a single component lens to collimate or focus highly divergent rays, Read PDF for more information…

Optical instruments
  • Thermal Imaging
  • Precision optical components
  • Germanium, ZnSe Caf2 Silicon

Product features

Material: Germanium, ZnSe, Caf2, Silicon, Zinc Selenide (For LWIR)
Diameter: Up to 200mm dia +0, -0.02mm
Thickness: +/- 0.2mm
Flatness: < 1/2 wave over 90% aperture
Surface Quality: < 40-20 scratch/dig
Parallelism: 5 arcmin
Coating: AR/DLC (3-5 micron, 7-14 micron, 10-12 micron)

Additional product literature

Videos

Knight Optical's corporate video - custom optics

PDF documents

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