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T-BS065 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 700 - 1100 nm, 20 mm

Fosco Connect Part No.: T-BS065

  • $ 375.00 or



T-BS065 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 700 - 1100 nm, 20 mm

Product Drawing

  • Broadband AR-Coated Faces for 700 - 1100 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 20 mm Cube
Wavelength Range 700 - 1100 nm
AR Coating (All Four Surfaces, Click for Plot) Ravg < 0.5% at 0° AOI from 700 - 1100 nm
Substrate Material N-BK7
Dimensional Tolerance +0.0/-0.2 mm
Reflected Beam Deviation 90° ± 5 arcmin
Surface Quality 40-20 Scratch-Dig

 

Item # T-BS065
Cube Side Length 20 mm
Clear Aperture >16.0 x 16.0 mm
Surface Flatnessa -

Transmitted Wavefront Error

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

Overall Performance

  • Over the 700 - 1100 nm Coating Range, 0° AOI
Tabs = 27 ± 10%, Rabs = 67 +5/-15%, and Tabs + Rabs > 85%,
|Ts - Tp| < 10% and |Rs - Rp| < 10%
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