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All Products / Optics / Beamsplitters / Plate Beamsplitters / Visible and NIR Plate Beamsplitters
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

35 x 35mm 80R/20T, NIR Plate Beamsplitter

Visible and NIR Plate Beamsplitters

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Stock #68-428 In Stock
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C$73.50 C$294.00
Qty 1-5
C$73.50 C$294.00
Qty 6+
C$58.80 C$235.20
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Angle of Incidence (°):
45
Clear Aperture (%):
>85
Coating Specification:
Surface 1: 80/20 ±5% @ 900nm, ±10% @ 700 - 1100nm
Surface 2: AR Ravg ≤1%, Rabs ≤2% @ 700 - 1100nm
Construction:
Plate
Dimensions (mm):
35.0 x 35.0 +0.0/-0.25
Edges:
Cut with 0.25mm maximum edge chip
Note:
Beamsplitter-coated side is marked with a black dot
Parallelism (arcmin):
≤3
Reflection/Transmission Ratio (R/T):
80/20
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Flatness (P-V):
1λ per inch
Surface Quality:
60-40
Thickness (mm):
3.00 ±0.25
Type:
Standard Beamsplitter
Wavelength Range (nm):
700 - 1100

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 240:
Compliant
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Product Family Description

  • Many Beamsplitting Ratios Available
  • Visible and NIR Coating Options Offered
  • Multi-Layer AR Coated Second Surface
  • C-Mounted Plate Beamsplitters Also Available

TECHSPEC® Visible and NIR Plate Beamsplitters are ideal for dual magnification imaging systems and for combining low power laser beams. These beamsplitters offer the optimum combination of polished, high-quality optical-grade glass with minimum substrate thickness. The broadband dielectric coatings provide maximum throughput, are ideal for minimizing ghost images, and have much less energy loss than metallic coatings. TECHSPEC® Visible and NIR Plate Beamsplitters are coated on their back surfaces with a multi-layer anti-reflection (AR) coating, reducing back reflections to less than 1.0% for each wavelength range. Note that for easy identification, the coated side of the beamsplitter is marked with a black dot.