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Calcium Fluoride Rectangular Window

Calcium Fluoride Rectangular Window

The calcium fluoride rectangular window offers broadband transmission from VUV to infrared and a high laser damage threshold, making it an excellent optical protective window for demanding UV–IR optical systems.

  • Material :

    CaF₂ (Calcium Fluoride)
  • Dimension Tolerance :

    +0.0 / -0.1 mm
  • Thickness Tolerance :

    ±0.1 mm
  • Surface Accuracy :

    λ/4 @ 632.8 nm
  • Parallelism :

    < 1 arcmin
  • Surface Quality :

    80-50
  • Clear Aperture :

    > 90%
  • Edge Bevel :

    0.2 × 45°
  • Product Details

 

Product Description

The CaF₂ rectangular optical window is a plane-parallel component designed to isolate internal optics from external environments. With excellent transmission across ultraviolet, visible, and infrared wavelengths, it supports broadband optical system designs.

 

Performance Advantages

Broadband transmission from vacuum UV to far infrared

High laser damage threshold suitable for excimer and high-power lasers

Excellent mechanical and thermal stability for harsh operating environments

Low absorption and scattering supporting precision optical performance

Rectangular geometry for easy mounting and system integration

 

Application Range

Calcium fluoride rectangular windows are widely used in:

Excimer and high-power laser systems

UV, visible, and infrared optical instruments

Infrared sensors and thermal observation windows

Camera lenses and imaging systems

Scientific and industrial optical equipment

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