Our Crystal Technology Empowers Tomorrow's Innovations
Fairfield Crystal Technology specializes in synthetic crystals growth and fabrication of the crystals into IR/VIS/UV optics.
Featured Materials
Calcium Fluoride (CaF2) is a naturally occurring optical substance with a unique range
of properties.
Calcium Fluoride ![Calcium Fluoride](https://fairfieldcrystal.com/wp-content/uploads/2023/12/calcium-fluoride-fc.png)
Fairfield Crystal uses a unique source material purification with a vertical-Bridgman method to grow
synthetic high purity BaF2 single crystals.
Barium Fluoride ![Barium Fluoride](https://fairfieldcrystal.com/wp-content/uploads/2023/11/barium-fluoride-2-fc.png)
Magnesium Fluoride is a tetragonal positive birefringent crystal grown using our,
proprietary source purification process with a vacuum Bridgeman technique.
Magnesium Fluoride ![Magnesium Fluoride](https://fairfieldcrystal.com/wp-content/uploads/2023/11/magnesium-fluoride-2-fc.png)
Fairfield Crystal’s silicon windows (Si) are manufactured from optical grade silicon and are
designed to be used in precision optical systems for the 1.2 - 7μm spectral region.
Silicon ![Silicon](https://fairfieldcrystal.com/wp-content/uploads/2023/11/silicon-windows-fc.png)
Lithium Fluoride (LiF) is a cubic crystal that transmits very well into the extreme UV region at the hydrogen Lyman-alpha line (121 nm).
Lithium Fluoride ![Lithium Fluoride](https://fairfieldcrystal.com/wp-content/uploads/2023/12/lithium-fluoride-fc.png)
Zinc Selenide crystals have a cubic zinc blende structure, similar to another compound
semiconductor like gallium arsenide (GaAs).
Zinc Selenide ![Zinc Selenide](https://fairfieldcrystal.com/wp-content/uploads/2023/11/ZnSe-fc.png)
Zinc Sulfide exists in to main crystalline forms; more stable cubic form, known as zinc
blende or sphalerite and hexagonal form, known as the mineral wurtzite.
Zinc Sulfide ![Zinc Sulfide](https://fairfieldcrystal.com/wp-content/uploads/2023/11/zinc-sulfide-fc.png)
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Products
Our exceptional range of windows includes Witness samples, FTIR windows, UV/VIS/IR windows, and customizable windows to meet your distinct needs in optical experimentation and application.
Windows ![Windows](https://fairfieldcrystal.com/wp-content/uploads/2023/12/windows-fc-featured.png)
Discover precise optical solutions with our Lenses selection: brilliantly engineered Spherical, Cylindrical, Meniscus, and Dome lenses, promising optimized performance in every optical project.
Lenses ![Lenses](https://fairfieldcrystal.com/wp-content/uploads/2023/12/lenses-fc-featured.png)
Enhance your optical systems featuring Wedge, Right Angle, Corner Cube, and Customized prisms, designed to redirect, reflect, and disperse light flawlessly.
Prisms ![Prisms](https://fairfieldcrystal.com/wp-content/uploads/2023/12/prisms-fc-featured.png)
Explore our versatile offerings of precision blanks in various shapes and sizes, as well as our expertly crafted custom parts tailored to your unique optical requirements and project specifications.
Blanks/Customs ![Blanks/Customs](https://fairfieldcrystal.com/wp-content/uploads/2023/12/blanks-fc-featured.png)
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Services
![](https://fairfieldcrystal.com/wp-content/uploads/2023/11/polishing-1024x1024.png)
Pitch Polishing
We are proud to provide the industry’s highest quality finish and surface quality for most parts, boasting SF capability from λ/20- 2λ and SQ capability ranging from 10/5 to 80/50 S/D.
![](https://fairfieldcrystal.com/wp-content/uploads/2023/12/testing-fc-featured.png)
Testing
Meticulously executed Interferometry with ZYGO Interferometer, Spectrometry in the IR/UV ranges, and rigorous homogeneity testing to validate the highest performance standards.
![](https://fairfieldcrystal.com/wp-content/uploads/2023/11/cutting-processing-1024x1024.png)
Cutting/Processing
Discover precision with Diamond Wire Saw cuts, varied cuts like <111>, <100>, C-axis, Y-cut, alongside Prototype builds and Volume Production for an enhanced optical outcome.
Who We Are
Fairfield Crystal Technology is a leading supplier of high-purity single-crystal materials, enabling the development of advanced semiconductor devices and precision optical components.
Our technology offers unique crystal growth and purification for high-performance applications, and we supply products to fields such as microlithography, laser spectroscopy, semiconductor, and military systems.