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127 x 178mm, 40R/60T, Plate Beamsplitter

Stock #61-260 3-4 days
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Coating Specification:
Surface 1: Dielectric, ±5% R/T @ 550nm
Surface 2: AR ¼λ MgF2 @ 550nm
Dimensional Tolerance (mm):
Dimensions (mm):
127.0 x 178.0
Reflection/Transmission Ratio (R/T):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Float Glass
Surface Flatness (P-V):
4 - 6λ
Surface Quality:
Thickness (mm):
Standard Beamsplitter
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Family Description

  • Low-Cost Design
  • Multiple Sizes Available
  • Many Beamsplitting Ratios Available

Plate Beamsplitters are available in multiple Reflect/Transmission ratios to meet a wide variety of application needs. These beamsplitters are also offered with an anti-reflection (AR) coating on the second surface to enhance each beamsplitter’s overall efficiency. This second coating aides in preventing unwanted ghost reflections. Plate Beamsplitters are a cost-efficient option to integrate into multiple applications. For custom sizes or alternate reflection/transmission ratios, please contact our Sales Department.