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Calcium Fluoride Optics

Calcium Fluoride (CaF2) Optical Components are used as spectroscopic windows or lenses, or in cryogenically cooled thermal imaging systems. Calcium Fluoride (CaF2) Optics are ideal for a broad range of Ultraviolet (UV), Visible, or Infrared (IR) applications. Calcium Fluoride’s combination of low absorption with a high damage threshold makes it an excellent material for use with Excimer lasers. Calcium Fluoride (CaF2) features a low refractive index, removing the need for an anti-reflection coating.

Edmund Optics offers a wide selection of Calcium Fluoride (CaF2) Optical Components, such as Optical Windows, Optical Lenses, Prisms, or Beamsplitters. Calcium Fluoride (CaF2) Optical Windows are ideal for use as spectroscopic windows. Calcium Fluoride (CaF2) Optical Lenses are used in many spectroscopy applications. Calcium Fluoride (CaF2) Prisms are used for many broadband applications from the Ultraviolet (UV) to the Infrared (IR). Calcium Fluoride (CaF2) Beamsplitters are designed to be used at a 45° angle of incidence for broadband Infrared (IR) applications.

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New TECHSPEC® Calcium Fluoride (CaF2) Aspheric Lenses Calcium Fluoride (CaF2) Aspheric Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 266nm or 4μm Design Wavelength Options
  • High Transmission from 200nm to 7μm
  • Diamond Turned for High Surface Accuracy
  • Vacuum UV Grade CaF2 Substrate
Calcium Fluoride (CaF<sub>2</sub>) Windows Calcium Fluoride (CaF2) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Wedged Windows ISP Optics Calcium Fluoride (CaF2) Wedged Windows
Clearance ISP Optics Calcium Fluoride Double-Convex (DCX) Lenses ISP Optics Calcium Fluoride Double-Convex (DCX) Lenses
  • Greater than 90% Transmission from 350nm-7μm
  • Low Index of Refraction
  • High Laser Damage Threshold
Calcium Fluoride Plano-Convex (PCX) Lenses Calcium Fluoride Plano-Convex (PCX) Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Low Index of Refraction
  • Vacuum Grade UV Substrate
  • Uncoated, VIS-NIR, and NIR II Broadband AR Coating Options
ISP Optics Infrared (IR) Right Angle Prisms ISP Optics Infrared (IR) Right Angle Prisms
  • CaF2, Ge, and ZnSe Substrates
  • Ray Deviation of 90°
  • Ideal for Use with Collimated Sources
  • Additional Infrared Optics Available
Infrared (IR) Wire Grid Polarizers Infrared (IR) Wire Grid Polarizers
  • Designed for Wavelengths Ranging from 2 - 30μm
  • Various Substrates Available
  • 360° Rotation Using Metric Polarizer Mounts
Clearance ISP Optics Infrared (IR) Equilateral Prisms ISP Optics Infrared (IR) Equilateral Prisms
  • CaF2, Ge, and ZnSe Substrates
  • Ideal for Wavelength Separation
  • Designed for Use with Collimated Sources
  • Additional Infrared Optics Available
  • Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team.
ISP Optics Infrared (IR) Diffusers ISP Optics Infrared (IR) Diffusers
Clearance ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Windows ISP Optics Calcium Fluoride (CaF2) Windows
  • Greater than 90% Transmission from 350nm-7μm
  • Low Index of Refraction
  • Low Solubility and Chemically Inert
Clearance ISP Optics Hemispherical (Half-Ball) Infrared (IR) Lenses ISP Optics Hemispherical (Half-Ball) Infrared (IR) Lenses
  • High Numerical Apertures
  • Ideal for Fiber and LED Coupling
  • Available with Fused Silica, Si, CaF2, or ZnSe Substrates
Clearance ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Plano-Concave (PCV) Lenses ISP Optics Calcium Fluoride (CaF2) Plano-Concave (PCV) Lenses
  • Low Index of Refraction
  • IR Grade Calcium Fluoride Substrates
  • Standard Imperial Sizes for Easy Benchtop Integration
Clearance ISP Optics Calcium Fluoride Plano-Convex (PCX) Lenses ISP Optics Calcium Fluoride Plano-Convex (PCX) Lenses
  • Greater than 90% Transmission from 0.35-7μm
  • Low Index of Refraction
  • Ideal for Integration into Infrared Systems
Clearance ISP Optics Infrared Beamsplitters ISP Optics Infrared Beamsplitters
  • Beamsplitter Coatings Covering 1.5 – 14µm
  • Designed for 50/50 Beamsplitting at 45° AOI
  • Calcium Fluoride or Zinc Selenide Substrates

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