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All Products / Optics / Beamsplitters / Plate Beamsplitters / ISP Optics Infrared Beamsplitters
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38.1mm Dia., 3mm Thick, 7 - 14µm, ISP Optics Zinc Selenide IR Beamsplitter

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Angle of Incidence (°):
45
Clear Aperture (%):
85
Construction:
Plate
Diameter (mm):
38.10 +0.00/-0.13
Parallelism (arcmin):
<3
Reflection/Transmission Ratio (R/T):
50/50 ±10% @ 7 - 14μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Zinc Selenide (ZnSe), CVD Grade
Surface Flatness (P-V):
2λ @ 633nm
Surface Quality:
60-40
Thickness (mm):
3.00 ±0.13
Type:
Standard Beamsplitter
Wavelength Range (μm):
7 - 14
Wavelength Range (nm):
7000 - 14000
Model Number:
BSP50-ZC-38-3

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

  • Beamsplitter Coatings Covering 1.5 – 14µm
  • Designed for 50/50 Beamsplitting at 45° AOI
  • Calcium Fluoride or Zinc Selenide Substrates

ISP Optics Infrared (IR) Plate Beamsplitters are available with Calcium Fluoride (CaF2) or Zinc Selenide (ZnSe) substrates designed to provide a 50/50 beamsplitting ratio when used at 45°. The CaF2 beamsplitters are ideal for applications in the 1.5 – 5µm or 2 – 8µm wavelength ranges. The ZnSe beamsplitters extend farther into the infrared with a 7 – 14µm beamsplitter coating and are Anti-Reflection (AR) coated on the second surface to increase throughput. ISP Optics Infrared (IR) Plate Beamsplitters are available in standard imperial sizes and are ideal for use in FTIR and Raman spectroscopy.