Optical Filter Glass
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A range of SCHOTT optical filter glasses in different shapes and colors

Optical Filter Glass

For more than 135 years, SCHOTT Optical Filter Glass has been known for its high quality, purity and outstanding properties. Offering selective absorption in certain wavelength ranges, our broad portfolio and experience in the field means we can find a bespoke spectral solution for your exact requirements.
A range of square and round blue, red and yellow SCHOTT optical filter glasses

Quality, reliability, long-term availability

The products in the SCHOTT Optical Filter Glass portfolio come in all shapes and sizes, but each offer high transmittance, high blocking and no polarization effects. Our experience with different surface qualities and thickness tolerances means we can confidently manufacture complex types of glass, with optical and protective coatings available.

Stack of red and yellow optical filter glass discs

Filter glass portfolio and custom-made components

Filter glass plays a crucial role in a number of applications, such as sensor systems, which depend on filters to operate in the correct range of the electromagnetic spectrum. You can select filters from our standard portfolio or we can provide custom-made solutions to satisfy your requirements. Special coatings or toughened filters are also available.

Interactive Filter Diagram

SCHOTT offers a wide range of optical filter solutions to meet every challenge. To find the right filter for your application, use our Interactive Filter Diagram.
Click here for the Interactive Filter Diagram
Range of different sizes of nir cut filter

Product variants

Expertise and experience in a wide variety of production methods enable us to offer an extensive portfolio of filter glasses, as well as the ability to produce large formats and customized melting of special glasses or geometries, such as large-size filters for astronomy and science.

More about variants
Gray filter glass variant with homogeneous properties
Protective windows for LiDAR Product Picture
Two yellow glass filters for laser cavity
Crucible casting of glass

Robust quality, unrivalled range

All SCHOTT products benefit from our policy of rigorous quality control, and we manufacture optical filter glasses in all colors and specifications according to the DIN 58131 standard, as well as MIL specs. Thickness tolerances, spectral range, optical density and polish quality can all be modified to your specific requirements in consultation with SCHOTT experts, while our filter calculation tool makes that process even easier, assessing your needs to provide you with an individual solution.

Explore material properties in detail
Wide portfolio
Wide portfolio
With more than 70 different optical filter glass types, from standard matte plates to your specific needs, choice is never an issue.
High transmission
High transmission
Our optical filter glass offers high transmission for the desired range of wavelength.
High blocking
High blocking
Unwanted light is blocked by absorption and cannot cause any disturbance to the system.
No polarization effects
No polarization effects
Polarization is not affected by filter glass.
Barrier coating options
Barrier coating options
In-house barrier coating capabilities include resistance to humidity and scratches or additional functions according to your needs.

BG47: New NIR Cut Filter

The new SCHOTT BG47 is a next-generation infrared cut filter glass with excellent NIR absorption, high visible light transmittance and high durability, designed to optimize optical performance and image quality in high-end mobile device cameras.

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BG47 Product Flyer Preview Mobile - EN

SCHOTT Partnership with Edmund Optics

Better Together

Both top brands stand for excellence in the Optics & Photonics industry. SCHOTT for the highest quality optical materials, and Edmund Optics for superior customer service and a large portfolio & inventory. Both brands combined can provide many advantages for our customers: faster service, global presence, superior material and processing competence, highest quality, technical support, flexibility and reliability. 


Fast & Easy Access

The cooperation enables fast and easy access to components based on SCHOTT materials – for prototypes and small volumes as well as for high volumes, for standard products as well as custom designs. As a first step, Edmund Optics and SCHOTT combined their expertise in the field of optical filter glass in Europe and from now on also in China, enabling fast deliveries of small quantities, standard or custom, from prototypes up to serial production.
Better together. New Partnership. New Possibilities.

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Related products

NIR Cut Filters
NIR Cut Filters
Near-infrared radiation (NIR) cut filters ensure that we perceive the world in the right colors, and SCHOTT’s premium-quality filters and blue glass components offer exceptional vision and high NIR absorption. As experts in this rapidly developing area, SCHOTT manufactures both high humidity resistance glasses and glasses with steep NIR cutoff.
Explore
Optical Coatings
Optical Coatings
SCHOTT possesses more than 80 years of experience in manufacturing optical coatings to serve the photonics industry. This vast experience enables us to produce a wide range of challenging and complex filters according to our customers’ needs.
Explore

Want to know more? Let’s talk

Whether you need more information, samples, a quote, or advice for a project, we would be delighted to talk to you.

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