Beamsplitter cubes

Non-Polarizing Beamsplitters

Custom NPBS cubes for stable transmission and reflection performance.

Introduction

Non polarizing beamsplitter cubes are optical components designed to divide incident light into transmitted and reflected beams while maintaining similar performance for different polarization states. They are typically constructed from two precisely assembled prisms with a partially reflective coating applied at the internal interface to achieve controlled beam splitting.

Unlike polarizing beam splitter cubes, non polarizing beamsplitter cubes do not separate light according to polarization direction. Instead, they provide a defined splitting ratio while minimizing polarization dependence, allowing the original characteristics of the incident beam to be maintained during transmission and reflection.

Applications

  • Laser interferometry systems
  • Optical measurement
  • Machine vision systems

Features & advantages

  • Polarization-independent beam splitting for consistent optical performance
  • Customizable splitting ratios for different optical configurations
  • Wavelength-specific coating options for optimized optical efficiency
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Product specifications

Parameter Specification
Product Type Non-polarizing beam splitter cube
Material Optical glass, fused silica and other optical materials
Dimensions (mm) 5 – 50
Splitting Ratio 50:50, 30:70, 10:90
Surface Quality 60/40 S/D typical, tighter options available
Surface Flatness λ/4 typical, tighter options available
Angular Accuracy ±3 arcmin typical, tighter options available
Coating Beam splitter coating / AR coatings

Specifications represent typical capabilities for xx. Final parameters are confirmed according to specific optical and coating requirements.

Technical capabilities & processing options

  • Splitting Ratio Control:
    Customized transmission and reflection ratios available, including common 50/50 configurations.
  • Non-Polarizing Coating Performance:
    Optimized coating designs minimize polarization dependence and provide consistent beam splitting performance across different polarization states.
  • Optical Surface Quality:
    Precision polished optical surfaces with controlled flatness and surface quality support stable transmission and reflection performance.
  • Precision Cube Assembly:
    Accurate prism bonding and alignment processes ensure reliable optical performance and consistent beam separation.

Need a Custom Non-Polarizing Beam Splitter Cube?

Share your drawing, wavelength range, splitting ratio, dimensions, and quantity. Our team can review the optical design, coating requirements, and performance specifications for your custom beam splitter cube.

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