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About SSI Optics

Spectrum Scientific, Inc. (SSI) has been a global manufacture of holographic diffraction gratings and replicated optics since 2004.

Spectrum Scientific experts can replicate a wide variety of holographic diffraction gratings, including plane, convex, concave, toroidal and aspheric gratings. Our diffraction gratings are available with blazed or sinusoidal profiles. Spectrum Scientific’s proprietary blazing technique ensures that our blazed diffraction gratings offer high efficiency coupled with very low stray light. We are one of the few companies with the capability to manufacture blazed holographic concave gratings. Read More.