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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 35.36 x 1mm NIR, Elliptical Plate Beamsplitter

Elliptical Plate Beamsplitters

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Stock #48-916 20+ In Stock
Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
€217,00
Volume Pricing
Qty 1-5 €217,00 each
Qty 6-25 €174,00 each
Qty 26-49 €162,75 each
Need More? Request Quote
Prices shown are exclusive of VAT/local taxes
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Specifications

General

Type:
Standard Beamsplitter

Physical & Mechanical Properties

Clear Aperture (%):
>80
Construction:
Plate
Edges:
Cut with 0.25mm maximum edge chip
Major Axis (mm):
36.36 +0.0/-0.70 (physical length)
Minor Axis (mm):
25.00 +0.0/-0.10
Parallelism (arcmin):
<1
Thickness (mm):
1.00 ±0.1

Optical Properties

Coating:
NIR
Coating Specification:
Surface 1: 50R/50T (Rabs ±5% @ 900nm, Ravg ±10% @ 700 - 1100nm)
Surface 2: Ravg ≤1.0%, Rabs ≤2.0% @ 700 - 1100nm
Reflection/Transmission Ratio (R/T):
50/50
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Flatness (P-V):
<2λ (per inch)
Surface Quality:
60-40
Wavelength Range (nm):
700 - 1100

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 247:
Compliant
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Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Product Details

  • Circular Profile at 45°
  • Visible and NIR Coating Options Offered
  • Ideal for Diffuse Axial and In-line Illumination

TECHSPEC® Elliptical Plate Beamsplitters maximize beamsplitting efficiency while minimizing required mounting space. These beamsplitters are ideal for diffuse axial and in-line illumination. When oriented at 45°, the beamsplitters create a circular aperture equal to the diameter of the minor axis. TECHSPEC® Elliptical Plate Beamsplitters are available with either a visible or NIR 50% reflection/50% transmission beamsplitter coating and feature a high efficiency multi-layer anti-reflection (AR) coating to reduce back reflections. The beamsplitters are offered in either a 1 or 3mm thickness, in a range of major and minor axis measurements and wavelength ranges. 

Technical Information

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