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Optical Filters

Coated filters and color glass filter optics

Filter solutions for almost any optical application

Since 1994 our company has been manufacturing and supplying filter optics to industry, science, research, and medical technology. We provide optical filter solutions for almost any optical task. Below, we show the most popular and continuously available filters from our extensive manufacturing program. Please follow the links to the datasheets below:


Cemented colored filters that create a bandpass filter combinationnullspacerCoated filters


SCHOTT color glass filters

We keep more than a hundred different high-quality optical filter materials from SCHOTT in stock to ensure fast manufacturing and delivery. Our extensive SCHOTT-filter program includes short pass, long pass, bandpass, neutral, color, and conversion filters for various wavelength ranges. This type of filter optics base on light absorption. More details ...


Neutral Density Filters - Grey Filters - Optical Density Filters

SCHOTT neutral density filters allow the damping of incident light with a defined degree of attenuation. The filter materials are mainly color neutral and offer broadband transmission. The NG-filter family from SCHOTT includes NG 1, NG 3, NG 4, NG 9, NG 10, NG 11, and NG 12 materials. It represents an industry standard for optical density filters. More details ...


Heat Reflection Filters - Heat Reflecting Hot Mirrors - SIR Series

The dielectric heat reflection filters of our SIR-series base on a dichroic filter coating, which is highly transparent to visible light and effectively blocks the infrared band up to a wavelength of approx. 1100nm. This type of optical filter is also called a hot mirror. The SIR can also work in eye-tracking systems to reflect infrared laser beams while remaining transparent to the eye. More details ...


Heat Reflecting Filters with extended blocking range - SIR-IR Series

The SIR-IR filters feature a high optical transmission of the visible and a broadband blocking of infrared wavelengths. This dichroic hot mirror represents the best possible compromise between maximum IR-blocking bandwidth and high visible transmittance.
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Cold Light Filters - SHD-Series

Our dichroic SHD cold light filter efficiently reflects a light beam's visible wavelengths by 90° while simultaneously transmits the infrared band up to 2500 nm at 0°. Hence, it can be called a cold mirror or dichroic beamsplitter. Its dielectric coating allows the separation of visible from infrared laser beams. View details ...


Heat-Absorbing Filters - SCHOTT KG1-KG5

SCHOTT KG filters are bandpass filters for visible wavelengths. The heat-absorbing filters transmit the visible wavelength range while simultaneously absorbing infrared heat radiation of a light source. Such so-called heat protection filters operate largely independently of the incidence angle and are often used in lighting applications. View details ...



You are looking for optical filters that are not listed here, or you need technical support?

It is not feasible to list the large variety of optical filter types and filter coatings we make for all the different light- and laser applications on this website in detail. To request a quotation for custom optical filters, cemented filter combinations, fluorescence filters, special dichroic, or interference filters for an individual wavelength, please use our request form. If you search for engineering support, please do not hesitate to send us your inquiry with your optical filter's exact requirements.


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