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T-BS057 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 5 mm

Fosco Connect Part No.: T-BS057

  • $ 280.00 or



T-BS057 - 70:30 (R:T) Non-Polarizing Beamsplitter Cube, 1100 - 1600 nm, 5 mm

Product Drawing

  • Broadband AR-Coated Faces for 1100 - 1600 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
  • Wavefront Error (@ 633 nm) <λ/4
  • Transmitted Beam Deviation <5 arcmin
General Specifications
Wavelength Range 1100 - 1600 nm
AR Coating
(All Four Surfaces, Click for Plot)
Ravg < 0.5% at 0° AOI
from 1100 - 1600 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-BS057
Cube Side Length 5 mm
Clear Aperture >3.5 x 3.5 mm
Transmitted Wavefront Error 
<λ/4
Transmitted Beam Deviation <5 arcmin
Overall Performance Tabs = 27 ± 10%, Rabs = 67 +5/-15%, Tabs + Rabs > 85%,
|Ts - Tp| < 10%, and |Rs - Rp| < 10%
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