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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

25 x 25mm 40R/60T, NIR Plate Beamsplitter

Visible and NIR Plate Beamsplitters

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Stock #68-388 3-5 days
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A$65.20 A$260.80
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A$65.20 A$260.80
Qty 6+
A$52.00 A$208.00
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Angle of Incidence (°):
45
Clear Aperture (%):
>85
Coating Specification:
Surface 1: 40/60 ±5% @ 900nm, ±10% @ 700 - 1100nm
Surface 2: AR Ravg ≤1%, Rabs ≤2% @ 700 - 1100nm
Construction:
Plate
Dimensions (mm):
25.0 x 25.0 +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):
40/60
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
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:
Certificate of Conformance:
Reach 240:

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.  

Title CompareStock Number  Price Buy
Visible Plate Beamsplitter Kit, 25mm Diameter #83-388 A$750.40   Request Quote
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Near Infrared Plate Beamsplitter Kit, 25mm Diameter #83-956 A$750.40   Request Quote
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An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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VIS/NIR Coating

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When you say a beamsplitter has __% transmission and __% reflection, is that across the entire spectrum?

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UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

Do you have C-Mount components to make an in-line illumination assembly?

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Surface Quality

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