Beamsplitters are used to split or combine beams of light. Plates are used for most laser applications as they exhibit low absorption. Cubes are a convenient form for low-power applications.
Purchase Polarising Beamsplitter Cubes from our Photonic Shop
Polarising Beamsplitters are used to split unpolarised light into two polarised parts, which become separated by a 90° angle. Cube Beamsplitters are ideal for applications requiring durability or simplified mounting or system integration. We have available beamsplitters with AR coatings over a range of wavelengths (532nm, 633nm, 780nm, 795nm, 850nm and 1064nm) in addition to broadband beam splitters which cover can be used for wavelengths in the ranges 450-650nm, 650-850nm and 900-1200nm. They are available in inch (25.4mm) and half-inch (12.7mm) diameters, and are compact enough for integration into optical systems.
Other custom coatings and sizes are available, for more information please contact us
Some standard configurations are available to purchase on our webshop
• Can be used with high power lasers
• Two partial beams travel different optical paths
• Stable and compact
• Identical path lengths for both reflected and transmitted beams
• Easy to mount and align
• Low Cost
• Can be used as polarisers, beamsplitters or beam combiners
• Output beam parallel to input beam
• Easy to mount and align
• Low Cost
| Beamsplitters | Spectrum | Properties |
|---|---|---|
| Beamsplitter
Plate |
Broadband Wavelength | plates, it is important to bear in mind that the two partial beams travel different optical paths. The optical paths depend on the incident angle and the thickness of the plates. |
| Single Wavelength | ||
| Beamsplitter
Cube |
Broadband
Wavelength |
Compared with beamsplitter plates, beamsplitter cubes have the following advantages: • Identical path lengths for both the reflected and the transmitted beams • The transmitted beam is neither displayed nor deflected • Stable and compact • Easy operation • Easy to mount /align |
| Single Wavelength | ||
| Penta
Beamsplitter Cube |
Broadband
Wavelength |
The penta beamsplitter is composed of a penta prism and a wedge. Like the beamsplitter cube, it has the following properties: • The transmitted beam is neither displayed nor deflected • Stable and compact • Easy operation |
| Polarizing
Beamsplitter Cube |
Broadband
Wavelength |
The prisms can be used as polarizers, beamsplitters or beam combiners. The output beam, which is parallel to the input beam, is called the p-polarized beam while the orthogonal output beam is defined as the s-polarized beam. |
| Single Wavelength |
Polarisation
Beam separation
Beam combiner
Quantum technology
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Photonic Solutions Ltd
Unit 2.2 Quantum Court
Heriot-Watt University Research Park
Edinburgh
EH14 4AP
