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Typically higher index glass to maximize polarization separation. This Beam Splitter coating is designed for a substrate refraction index of approximately 1.80.

Newport

Partially transmitting metals also make very useful beam splitter coatings. Two common metals used for this purpose are Inconel and chrome. Metal beam splitters are often very broad and can cover a much wider spectrum of wavelengths than their dielectric counterparts. Dielectric coatings as described here have the advantage of being non-absorbing and so allow for greater throughput of energy. These dichroic filters for example, have a dielectric coating that can be used for a 50/50 beam splitter. In contrast, Inconel is limited to 30% transmission and 30% reflection due to the absorption inherent in the metal film. Standard dielectric beam splitter coatings include 30/70, 50/50, and 70/30. We welcome inquiries regarding any custom requirements you may have.

Edmund Optics IR windows are optical windows designed for the infrared spectrum, ideal for FTIR spectroscopy, thermal imaging, FLIR or medical systems.

Edmund Optics visible windows prevent electronic sensors, detectors and sensitive optical components from being saturated or damaged by light.

Thorlabs

Edmund Optics Inc. (EO) has been a leading supplier of optics and optical components to industry since 1942. EO designs and manufactures a wide array of multi-element lenses, lens coatings, imaging systems and opto-mechanical equipment supporting the R&D, electronics, semiconductor, pharmaceutical, biomedical and military markets around the globe. They are known as a distributor of industrial optics and related products, as well as a source for application integration, custom lens and coating design, and OEM services.

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This Beam Splitter coating provides greater than 97% transmission of “P” polarized light and greater than 97% reflectance of “S” polarized light at single specified wavelength. Generally the angle of incidence is specified between 45 and 65 degrees.

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Led by a staff of skilled optical engineers and scientists, Edmund Optics is application-focused and pursues new ways to implement optical technology, enabling advancements in semiconductor manufacturing, industrial metrology and medical instrumentation. EO’s precision products improve efficiencies and yields, and are used in test and measurement quality assurance applications, research and the automation of manufacturing processes.

Partially transmitting metals also make very useful beam splitter coatings. Two common metals used for this purpose are Inconel and chrome. Metal beam splitters are often very broad and can cover a much wider spectrum of wavelengths than their dielectric counterparts.

Edmund

Beam Splitter (BS) is a term used to describe various coatings which divide a beam of light into separate beams. Dichroic filters are often called beam splitters. In this section, we will be describing beam splitters that divide light at each wavelength of interest into two separate beams. These beam splitters are typically designed for an incident angle around 45 degrees from normal.

Edmund Optics optical filters selectively transmit or reject a wavelength or range of wavelengths for industrial machine vision inspection applications.

Dielectric coatings as described here have the advantage of being non-absorbing and so allow for greater throughput of energy. These dichroic filters for example, have a dielectric coating that can be used for a 50/50 beam splitter. In contrast, Inconel is limited to 30% transmission and 30% reflection due to the absorption inherent in the metal film. Standard dielectric beam splitter coatings include 30/70, 50/50, and 70/30. We welcome inquiries regarding any custom requirements you may have.

Partially transmitting metals make very useful beam splitter coatings. Two common metals used for this purpose are Inconel and chrome. Metal beam splitters are often very broad and can cover a much wider spec- trum of wavelengths than their dielectric counterparts. In this ex- ample, a single layer of Inconel with approximately equal reflectance and transmittance is shown.

This Beam Splitter coating has an average transmission of 45% and 45% reflectance from 475-625nm for both “S” and “P” polarizations.

This Beam Splitter coating is designed to transmit 50% and reflect 50% ±10% from 425-650nm at 45 degrees angle of incidence.