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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Calcium Fluoride (CaF2) Aspheric Lenses

TECHSPEC® Calcium Fluoride (CaF2) Aspheric Lenses

TECHSPEC® Calcium Fluoride (CaF2) Aspheric Lenses

  • 266nm or 4μm Design Wavelength Options
  • High Transmission from 200nm to 7μm
  • Diamond Turned for High Surface Accuracy
  • Vacuum UV Grade CaF2 Substrate
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TECHSPEC® Calcium Fluoride (CaF2) Aspheric Lenses have high transmission from the ultraviolet (UV) through the infrared (IR), covering the wavelength range of 200nm to 7μm. Calcium fluoride’s low index of refraction enables these diamond turned aspheric lenses to be integrated with minimal Fresnel reflection loss without an anti-reflection coating. Calcium fluoride also offers low solubility and superior hardness compared to other fluoride-based substrates, allowing for these aspheric lenses to be used in harsh environments. TECHSPEC Calcium Fluoride (CaF2) Aspheric Lenses are available in two designs; one for Nd:YAG, Excimer Laser, and other UV applications with a design wavelength of 266nm and the other for spectroscopic, mid-wave IR (MWIR) thermal imaging, and other IR applications with a design wavelength of 4μm.

Please contact us for Calcium Fluoride Aspheric Lenses with custom designs or coating options.

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