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T-WG42012-A - Ø2" UVFS Broadband Precision Window, AR Coated: 350 - 700 nm, t = 12 mm

Fosco Connect Part No.: T-WG42012-A

  • $ 298.00 or



T-WG42012-A - Ø2" UVFS Broadband Precision Window, AR Coated: 350 - 700 nm, t = 12 mm

Product Drawing

  • Five Sizes Available
    • Ø1/2": 3.0 mm Thick
    • Ø1": 1.0 mm or 5.0 mm Thick
    • 25 mm x 36 mm: 1.0 mm Thick
    • Ø1.5": 4.04 mm Thick
    • Ø2": 12.0 mm Thick
  • Available Uncoated or with One of Four Broadband AR Coatings
    • 245 - 400 nm (-UV Coating Designation)
    • 350 - 700 nm (-A Coating Designation)
    • 650 - 1050 nm (-B Coating Designation)
    • 1050 - 1700 nm (-C Coating Designation)
Item # T-WG42012-A
Size Ø2"
(50.8 mm)
Size Tolerance +0.0 / -0.2 mm
Thickness 12.0 mm
Thickness Tolerance ±0.3 mm
Clear Aperture ≥Ø45.72 mm
Parallelism ≤5 arcsec
Surface Flatness λ/10 over
Clear Aperture
Transmitted Wavefront Error -
Surface Quality 20-10 Scratch-Dig
AR Coating Range 350 - 700 nm
Reflectance over
AR Coating Range
Ravg < 0.5%
Reflectance Data
(Click for Graph)

Raw Data
Substrate UV Fused Silica
Damage Threshold Pulse 7.5 J/cm2 (532 nm, 10 ns, 10 Hz, Ø0.491 mm)
CW 550 W/cm (532 nm, Ø1.000 mm)
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