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T-BS055 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 5 mm

Fosco Connect Part No.: T-BS055

  • $ 285.00 or



T-BS055 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 5 mm

Product Drawing

  • Broadband AR-Coated Faces for 400 - 700 nm
  • Broadband Beamsplitter Coating on Internal Diagonal Surface
  • 10:90, 30:70, 50:50, 70:30, or 90:10 (R:T) Split Ratio
  • Sizes from 5 mm to 2" (See Below for Details)
  • N-BK7 Substrate
  • Size 5 mm Cube
  • Transmitted Wavefront Error (@ 633 nm) <λ/4
  • Transmitted Beam Deviation 0° ± 5 arcmin
Item # T-BS055
Cube Side Length 5 mm
Clear Aperture >3.5 x 3.5 mm

Transmitted Wavefront Error

  • At 633 nm
<λ/4
Transmitted Beam Deviation 0° ± 5 arcmin

Overall Performance

  • 0° AOI
Tabs= 27 ± 10%, Rabs= 60 +10/-20%, and Tabs + Rabs > 70% (400 - 550 nm)
Tabs= 27 ± 10%, Rabs= 67 +5/-15%, Tabs + Rabs > 85% (550 - 700 nm)
|Ts - Tp| < 10% and |Rs - Rp| < 10% (400 - 700 nm)
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