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T-BS079 - 30:70 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 mm

Fosco Connect Part No.: T-BS079

  • $ 375.00 or



T-BS079 - 30:70 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 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 20 mm Cube
  • Transmitted Wavefront Error (@ 633 nm) <λ/4
  • Transmitted Beam Deviation 0° ± 5 arcmin 
General Specifications
Wavelength Range  400 - 700 nm
AR Coating (All Four Surfaces, Click for Plot)  Ravg < 0.5% at 0° AOI from 400 - 700 nm

Substrate Material

  • Click Link for Detailed Specifications on the Substrate
N-BK7
Dimensional Tolerance  +0.0/-0.2 mm
Reflected Beam Deviation  90° ± 5 arcmin
Surface Quality  40-20 Scratch-Dig

 

Item # T-BS079
Cube Side Length 20 mm
Clear Aperture >16.0 x 16.0 mm
Transmitted Wavefront Errora
<λ/4
Transmitted Beam Deviation 0° ± 5 arcmin
Overall Performance Tabs= 65 ± 10%, Rabs= 26 ± 8%, and Tabs + Rabs > 80%
|T- Tp| < 15% and |R- Rp| < 15%
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