Beam Splitters

Introducing KUPO Optics' Beam Splitters, a cornerstone in advanced optical engineering, designed to meticulously manage light pathways with precision and versatility. Our beam splitters stand at the forefront of optical technology, expertly dividing incoming light into two distinct beams, each with a customizable ratio of transmission and reflection. This unique capability positions our beam splitters as an essential component in a wide array of sophisticated optical applications.
Constructed with the highest standards of consistency, each beam splitter showcases impeccable piece-to-piece and batch-to-batch uniformity, ensuring reliable performance in repetitive and critical applications. The incorporation of an anti-reflection coating on the second surface significantly enhances the splitter's efficiency by reducing Fresnel reflection, a common challenge in light transmission at discrete interfaces. This attention to detail not only optimizes light management but also expands the splitter's functional range, making it a versatile choice for diverse optical needs.
Our beam splitters find their place in a variety of industries, from precisely dividing laser beams in scientific and communication devices to directing light paths in complex optical instruments. They are particularly valuable in broadcasting, where they are integral to autocue systems, enabling presenters to engage with the camera while reading the script. Adhering to MIL-M-13508C standards for humidity, adhesion, and abrasion, KUPO Optics' Beam Splitters promise longevity and resilience, making them a reliable choice for both standard and challenging environments. With KUPO Optics, experience the pinnacle of optical precision and versatility. 

Applications of Beam Splitters

Beam splitters are optical devices that divide a beam of light into two or more separate beams, a feature that lends itself to a wide range of applications in both commercial and scientific settings. These components are used to direct light in precise ways, enabling the concurrent execution of multiple processes or observations. Thanks to their ability to manipulate light efficiently, beam splitters are integrated into equipment across industries such as telecommunications, healthcare, entertainment, and research, playing a critical role in the advancement of optical technologies.
In the field of telecommunications, beam splitters are at the core of fiber optic networks where they split or combine light signals. This allows for the distribution of data over multiple pathways, increasing bandwidth and improving network efficiency. Beam splitters facilitate the process of wavelength division multiplexing, where different data signals at various wavelengths are transmitted simultaneously over a single fiber, optimizing the use of the network infrastructure.
Medical Imaging and Healthcare
Beam splitters are integral to medical imaging technologies such as endoscopy and ophthalmology. In endoscopic procedures, beam splitters are used within the instrumentation to direct light towards the area of interest within the body while simultaneously transmitting the reflected light back to an imaging device. In ophthalmology, beam splitters are used in slit lamps and laser delivery systems, allowing doctors to view the eye in high detail and perform precision-based treatments.
Machine Vision
Machine vision systems rely on beam splitters in inspection and quality control applications. By splitting the imaging pathway, a single camera can capture multiple views of an object, or multiple cameras can capture different aspects simultaneously, aiding in thorough product analysis. This multi-angle approach is crucial for the detection of defects in manufacturing lines, ensuring high-quality standards are maintained.
Stage Lighting
In the stage lighting industry, beam splitters contribute to creating complex lighting effects. They can divide a single light source into components of varying colors or intensities, which allows lighting designers to craft unique visual landscapes for theatrical productions, concerts, and live events. The dynamic effects made possible by beam splitters enhance the audience’s experience and contribute to the narrative of performances.
Scientific Research
Beam splitters are commonly used in various types of microscopes, telescopes, and spectroscopic instruments within the scientific research community. They allow researchers to divide light paths for simultaneous observation and detection, or to combine different light paths for interference and pattern measurement — key procedures in fields such as photonics, quantum computing, and materials science.
In astronomy, beam splitters are used in telescopes and other observational instruments to analyze celestial objects. They enable astronomers to direct light to different detectors, each configured to analyze specific wavelengths or properties of the light received, providing a more comprehensive understanding of the universe.
Photography and Cinematography
Photographers and cinematographers use beam splitters in teleprompters and 3D cameras. In teleprompters, the device reflects a script toward the speaker while allowing the camera to shoot directly through it. In 3D camera rigs, beam splitters are used to allow two cameras to record the same scene from slightly different angles, mimicking the perspective of human eyes to create a stereoscopic effect.
Beam splitters find application in various manufacturing processes that involve lasers, such as cutting, engraving, or welding. They allow for the simultaneous splitting of a laser beam to perform multiple operations or to combine beams for more powerful output, increasing the efficiencies of these industrial processes.
Beam splitters are an essential component across numerous industry sectors, each serving to expand capabilities and streamline processes. Their ability to direct and divide light enhances both performance and functionality, proving the fundamental role that beam splitters play in modern-day optical solutions. As industries continue to evolve and find new ways to integrate optical technologies into their operations, the beam splitter stands out as a key player in the continuous innovation of light manipulation.
KUPO Dichroic/ Beam Splitters


● Perfect piece-to-piece, batch-to-batch consistency
● Even transmission of visible light
● Customizable ratio of transmission and reflection

Examples of Applications

● Laser
● Optical Instruments
● Autocue

General Specification

● Spectral Tolerance: Designated average transmission +/-3% in 420~680nm
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C