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T-BPD5508-G01 - Polka Dot Beamsplitter, Ø2", CaF2 Substrate

Fosco Connect Part No.: T-BPD5508-G01

  • $ 980.00 or



T-BPD5508-G01 - Polka Dot Beamsplitter, Ø2", CaF2 Substrate

Product Drawing

These Polka Dot Beamsplitters are made from Calcium Fluoride (CaF2) and provide high transmission over the 180 nm - 8.0 µm spectral range. They can be used from 0 to 45° AOI with only negligible changes to the reflected and transmitted intensity. Light should be incident on the aluminum-coated side to maximize the reflected intensity.

Specifications
Available Sizes Ø1" or Ø2"
Beamsplitting Ratio 50% ± 5%
Minimum Beam Diameter
for 50/50 Split
2 mm
Material CaF2
Wavelength Range 0.18 - 8.0 µm
Coating Pattern Square-Coated Apertures
0.0040" (100 µm) Sides, 0.0022" (56 µm) Spacing
Clear Aperture >90% Diameter
Surface Flatness λ/4 at 632.8 nm, Over Clear Aperture
Surface Quality 60-40 Scratch-Dig
Thickness 5 ± 0.3 mm (Ø1" Optics)
8.0 mm (Ø2" Optics)
Diameter Tolerance +0.0 / -0.2 mm
Angle of Incidence 0 to 45°
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