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Photonics Buyers' Guide / Diffraction Gratings / Spectrum Scientific Inc., SSI Optics
Spectrum Scientific Inc., SSI Optics

Spectrum Scientific Inc.
SSI Optics

Map16692 Hale Ave., Ste. A
Irvine, CA 92606
United States
Phone: +1 949-260-9900
Fax: +1 949-260-9902
Toll-free: +1 800-774-0334
Spectrum Scientific, Inc (SSI) manufactures high volume flat, aspheric, and freeform reflective optics and holographic diffraction gratings using the optical replication process allowing us to supply high fidelity, high specification precision optics at a fraction of the traditional cost of volume manufacturing.

Our products include diffraction gratings, spherical and aspheric mirrors (on or off-axis parabolic mirrors, elliptical mirrors, toroidal mirrors and cylinders) as well as retroreflectors, freeform mirrors, nanostructures, hybrid optics and complex optics.

Holographic Diffraction Gratings
Spectrum Scientific GratingsOur holographic diffraction gratings can be supplied as blazed gratings using our proprietary blazing technique, which not only offers high efficiency in the UV, but lower stray light than conventional ion etched gratings:
  • Blazed Holographic Diffraction Gratings
  • Plane, Convex and Concave
  • Toroidal and Aspheric
  • Pulse Compression Gratings
  • Telecom Gratings
  • Space Qualified Gratings      
Aspheric & Freeform Mirrors
Spectrum Scientific MirrorsOne of our key capabilities is the manufacture of freeform optics, off-axis paraboloids and ellipsoid mirrors with surface figures down to λ/10 or better.
  • Spherical and Aspheric Mirrors
  • On or Off-Axis Parabolic Mirrors
  • Elliptical Mirrors
  • Toroidal & Cylindrical Mirrors
  • Freeform Mirrors
  • Space Qualified Mirrors 
Hollow Retroreflectors
Spectrum Scientific RetroreflectorsOur range of hollow retroreflectors are manufactured from solid aluminum giving a rugged, one-piece construction which is insensitive to vibration and movement making them ideal for use in laser based measurements, FTIR spectrometers and interferometers.
  • 2-10 arcsec Return Beam Accuracy
  • Gold and Aluminum Coatings
  • Custom Designs Available
  • Custom Mounting Features
  • One-piece Monolithic Design 
Miniature UV Spectrometers
In addition to components, Spectrum Scientific offers a comprehensive design and manufacturing service, supplying custom designed spectrograph modules for OEM customers as well as a range of ultra-low stray light UV spectrographs.

From design services to rapid prototyping, and OEM production, Spectrum Scientific can meet all of our customers’ replicated optics needs. We utilize six sigma and lean manufacturing principles in our continuous effort to strive for excellence in all we do.

For further information, please visit our website at
Established: 2004
Ownership type: Privately Owned
Daphnie Chakran, President
Grant Decastro, Technical Sales Engineer
David Cook, General Manager

diffraction gratingsholographic gratingsretroreflectorblazingmirrorshollow cube retroreflectoropticsssi opticsreplicated opticsconcave gratingsspectrometersflat mirrorssiblazed holographic concave gratings
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