From Moxtek: Reflective Circular Polarizing Beamsplitter Technical Note

Introduction

Moxtek’s Reflective Circular Polarising Beamsplitter (RCPBS) provides a solution for many innovative optical applications. The Moxtek RCPBS family of products can be used to increase optical path length without increasing physical length, isolate or sample back reflections and other potential applications.

Technical Highlights:

Moxtek Circular Polariser Manufacturing Capabilities

Moxtek has recently demonstrated the ability to produce custom RCPBS based on proven wire-grid beamsplitting technology. Moxtek as a supplier of RCPBS has a number of advantages:

• In house manufacturing of wire-grid polarisers and close relationships with QWP manufacturers, reducing concerns about supply and ability for wavelength ranges to be customised
• A high degree of reflectance, useful in applications where the rejected/reflected beam is used
• Custom sizes up to Ø200mm
• Demonstrated capability to provide circular polarisers in high volume at relatively low cost

Applications of RCPBS

Pancake Optical Designs

Pancake optical designs take advantage of the fact that when circularly polarised light reflects off a surface it changes handedness, or in other words it changes polarisation state. Optical designers take advantage of that to shrink the amount of air space or even double the effect of optical components with
power.

Pancake optical designs take advantage of the fact that when circularly polarised light reflects off a surface it changes handedness, or in other words it changes polarisation state. Optical designers take advantage of that to shrink the amount of air space or even double the effect of optical components with
power.

Summary

Reflective circular polarising beamsplitters can be a powerful tool in solving unique optical needs. Their advantages include increasing optical path length without physically lengthening the system, and reflect or filter specific polarisation states. Microscopy, chemical presence detection, improved target identification, improved facial recognition, and many other fields benefit from the use of circular polarisers. Moxtek can manufacture custom reflective circular polarisers in sizes up to Ø200mm.

Optics and Optical Metrology

Our range of Standard and Custom Optic Filter Solutions

Quantum Design UK and Ireland supplies a wide range of standard off-the-shelf optical filters as well as custom parts for specific applications or requirements. Plus, interferometers for optical metrology.