Divisors de feix cúbic Cub divisor de feix

Cube beamsplitters are glass cubes with a unique coated diagonal surface that splits an incoming beam of light into two separate beams - a transmitted beam and a reflected beam. The versatile cube shape allows stable mounting and alignment-free operation. Cube beamsplitters are widely used in microscopes, telescopes, lasers, and spectrometers to split or combine light beams.

 

Our innovative cube beamsplitters provide precision splitting of a single light beam into two - with a customizable split ratio between the reflected and transmitted beams. Engineered with state-of-the-art dielectric coatings on optical glass, they deliver exceptional performance, including uniform split ratio, minimal wavefront distortion, and high stability alignment. The solid glass cube design enables robust mounting and alignment-free operation. With superior optical performance across a wide spectral range, these high-quality cube beamsplitters are the ideal solution for your optics systems requiring reliable beam splitting.

 

- Precise split ratio

- High reflectance/transmission

- Minimal wavefront distortion

- Broadband performance

- Low losses

- High power handling

- Clean interfaces

- Good surface flatness

- Stable alignment

- Compact size

- Easy mounting

 

	400-700nm
	50/50
	R>90% at 45 degree
	T>90% at 45 degree
	Λ/4 peak to valley
	<5 arcmin
	60-40 scratch-dig
	±2%
	25x25x25mm or custom
	BK7 glass or custom
	Λ/10
	<5 arcsec
	500kW/cm2
	R<0.5% at 0°
	-20 degree to 70 degree
	0-90%RH

 

- Optical instruments - Used within spectrometers, interferometers, fluorometers, hydrometers, and other optical instrument systems for splitting light into different optical paths.

- Lasers - Utilized within laser cavities to split the beam into a partly reflected beam that is emitted as the output beam and a partly transmitted beam that is recirculated within the resonator.

- Flow cytometry - The beamsplitter splits the incoming beam into two orthogonally polarized beams for simultaneous analysis and counting of cells/particles.

- Confocal microscopy - The beamsplitter facilitates the illumination and detection paths to enable confocal imaging.

- Optical coherence tomography (OCT) - Splitting the light into reference and sample beams to perform interference measurements.

- Quantum optics - Used in quantum entanglement setups and other quantum physics experiments.

- Optical trapping - For splitting a laser beam into two trap beams for dual optical tweezers.

 

Cube and plate beamsplitters are two common types of beam-splitting optics, each with its advantages and disadvantages. The cube beamsplitter is made from a solid glass cube with specialized dielectric coatings applied to the internal diagonal surface to create a split ratio. This cube shape allows for straightforward mounting and maintains stable alignment of the separated beams. The rigid optic material also minimizes wavefront distortion. Cube beamsplitters achieve uniform 50/50 split ratios and high reflectance/transmittance, making them suitable for demanding applications like laser cavities or interferometry. However, cube beamsplitters are more expensive and compact.

 

In contrast, plate beamsplitters are thin, flat glass or plastic substrates with a partial mirror coating on one side to create the split. They are lower cost and can be made in larger aperture sizes. However, plate beamsplitters require specialized holders to maintain the optic's angle, and the thin optic material is more prone to slight flexing and wavefront distortion. The coatings also limit the split ratio range and optical performance compared to cubes. While more robust than cubes, plate beamsplitters are a suitable lower-cost option for visible light applications not requiring precise 50/50 splits or stable wavefronts.

 

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