T-WG50530-D - Ø1/2" CaF2 Broadband Precision Window, AR Coated: 1.65 - 3.0 µm
T-WG50530-D - Ø1/2" CaF2 Broadband Precision Window, AR Coated: 1.65 - 3.0 µm
- Ø1/2" and Ø1" Versions Available
- Uncoated CaF2 Wavelength Range: UV to IR (180 nm - 8 μm)
- Available AR Coated for 1.65 - 3.0 µm (Ravg < 1.0%)
Damage Threshold Specifications | |
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Coating Designation (Item # Prefix) |
Damage Threshold |
-D | 2 J/cm2 (2.05 µm, 10 ns, 10 Hz, Ø186 µm) 2.00 J/cm2 (2.05 µm, 10 ns, 62.5 Hz, Ø350 µm) |
Item # | T-WG50530-D | T-WG51050-D | |
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Diameter | 1/2" (12.7 mm) | 1" (25.4 mm) | |
Diameter Tolerance | +0.0 / -0.2 mm | ||
Thickness | 3.0 mm | 5.0 mm | |
Thickness Tolerance | ±0.3 mm | ||
Clear Aperture | >Ø11.4 mm | >Ø22.9 mm | |
Parallelism | <10 arcsec | ||
Transmitted Wavefront Error | ≤λ/8 Over Central 5 mm ≤λ/4 Over Full Clear Aperture |
≤λ/8 Over Central 10 mm ≤λ/4 Over Full Clear Aperture |
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Surface Quality | 40-20 Scratch-Dig | ||
AR Coating Range | 1.65 - 3.0 µm (-D Coating) | ||
AR Coating Reflectance | Ravg < 1.0%c; Rabs < 2.0% (0° AOI) | ||
Reflectance Data |
Raw Data |
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Transmission | Tavg > 97%c; Tabs > 92% (0° AOI) | ||
Substrate | Calcium Fluoride | ||
Transmission Data |
Raw Data |
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Damage Threshold | 2.00 J/cm2 (2050 nm, 62.5 Hz, 10 ns, Ø350 µm) |