---
title: Catalog RFQ Cube Beamsplitters
---

[![Ross Optical](https://custom-optics.rossoptical.com/hs-fs/hubfs/Ross-POCI-Logo-Horizontal.png?width=200&height=86&name=Ross-POCI-Logo-Horizontal.png "Ross Optical")](https://www.rossoptical.com)

# Cube Beamsplitters

Cube beamsplitters are made by cementing two right angle prisms together on the hypotenuses. They have several advantages over plate beamsplitters; e.g., they are easier to mount and result in less ghosting.

| Material | BK7 |
| --- | --- |
| Dimensions | MM |
| Angle Tolerance | ±5 arc min. |
| Surface Quality | 60-40 |
| Surface Accuracy | 1 wave |
| Bevel | 0.3mm x 45° |
| Coating | Outside Surfaces: 1/4 wave MgF2 Hypotenuse: Multilayer Dielectric Beamsplitter Coating |
| R/T Ratio | 50/50 +/- 5% @ 550 nm |
| ** All dimensions are in mm* |  |