Diffraction Gratings
High‑Precision Diffraction Gratings for UV to IR Applications
Spectrum Scientific manufactures a broad range of diffraction gratings, including ruled and holographic types available in sinusoidal or blazed formats, and in both plane and concave geometries.
Spectrum Scientific’s holographic gratings are fabricated using interference lithography, which creates a smoother groove profile compared to mechanically ruled gratings. This method eliminates periodic ruling errors and significantly reduces stray light, making holographic gratings the preferred choice in applications where spectral purity and signal-to-noise performance are critical.
Our blazed holographic gratings are engineered for high efficiency in the UV spectrum and deliver exceptionally low stray light, making them ideal for demanding optical applications such as spectroscopy, telecommunications, and space instrumentation.
We also offer a range of aberration corrected concave flat field imaging gratings as well as specialist gratings for laser pulse compression.
Our stock gratings are available in 12.5 x 12.5 mm and 25 x 25 mm sizes but we can supply our standard range of gratings up to 90 x 90 mm or greater. We can also design bespoke gratings for OEM applications if our standard gratings do not meet your requirement.
To learn more about gratings, please visit our technical notes detailing the different types of diffraction grating or download our Introduction to Diffraction Gratings.
