Polka Dot Beam Splitter
All products are sold individually as standard specification items. We offer short delivery times due to complete stock availability.
■Multi-color light source (R/T ratios of 30R/70T, 50R/50T, and 70R/30T) ■Polka dot (dotted pattern) aluminum coating ■Functionality across a wide wavelength range from UV to MIR (mid-infrared) ■No dependence on incident angle ■Available in VIS-NIR and UV-NIR versions For the product lineup, specifications, and sales prices of standard products, please refer to the relevant product page on the official website of Edmund Optics Japan, which can be accessed from the product homepage linked above. *You can download the catalog from Edmund Optics Japan that includes this product from the link below.
basic information
Unlike standard beam splitters that use dielectric films, this allows for a specified R/T ratio beam division over a wide wavelength range. The polka dot beam splitter, as its name suggests, consists of an aluminum film with a polka dot pattern (actually square-shaped) of a specified size deposited on a synthetic quartz substrate. When light is incident on this element, the polka dot aluminum film reflects the incident light at a specified ratio and transmits the remainder through the areas without the film. Due to the principle of reflection and transmission, the R/T characteristics have little dependence on the angle of incidence (although the size of the polka dot film is optimized for an incidence angle of 45°). Therefore, it is ideal for energy division applications with light sources that emit divergent light. Similar to angle dependence, it does not depend on the characteristics of the substrate or the polarization state of the incident light. With a substrate thickness of only 1.5mm, there is also no energy loss. *You can download the catalog from Edmund Optics Japan that features this product from the link below.
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Applications/Examples of results
Edmund Optics (EO) is a leading company in optical components, imaging, and photonics technology. It supports markets worldwide, including R&D, electronics, semiconductors, pharmaceuticals, and biomedical fields. EO's products are used in a wide range of applications, from DNA analysis to retinal-based personal identification and high-speed FA applications. With the fusion of EO's latest manufacturing capabilities and global logistics network, it is recognized in the market as the No. 1 supplier of optical components available for stock sale. Japanese customers are served by the local subsidiary, Edmund Optics Japan, Inc.
