ARO delivers high performance partial reflector coatings as well as plate and cube beamsplitters. We utilize a variety of coating techniques to achieve the optimum thin film for each specific application.  We readily produce a wide variety of plate and cube beamsplitters with exceptional surface quality and parallelism providing high laser damage threshold, low wavefront distortion and low absorption.

We have particular expertise in producing the following laser specific, partial reflecting optics:

  • Solid state laser partial reflectors specifically designed to deliver high peak power damage threshold and low loss, without sacrificing mechanical durability.
  • Excimer laser partial reflectors that provide low loss, excellent mechanical durability, and high pulse count lifetime, even at deep UV wavelengths.
  • Ultrafast laser partial reflectors that possess the optimum combination of broad spectral bandwidth, minimum group velocity dispersion (GVD), low scatter, and peak pulse power damage resistance.

Made to order
Custom Beamsplitters

Our technical team will review your optical drawing or custom specifications and provide a quote.   Typically we offer:

Size: 3mm to 400 mm
Surface roughness:
Surface quality: 10/5 Laser Quality (scratch/dig)
Surface flatness: we routinely provide 1/10λ Peak to Valley at 632.8nm, with the ability to achieve 1/20λ Peak to Valley
Standard tolerances include +0/-0.005″ for diameter, length or width and ± 0.005″ for thickness
Parallelism: 1 minute
(alternate specifications/tolerances available upon request)