Spectrum Scientific Inc (SSI) manufactures a range of holographic diffraction gratings including both blazed plane and aberration-corrected concave gratings. Proprietary blazing techniques ensure high efficiency and low stray light.SSI also offers high precision replicated optics including spherical, plane and aspheric mirrors, retro-reflectors and complex optics. Substrates available include glass, metal and plastic.

| Address: | 16692 Hale Avenue, Irvine, California, 92606, USA |
| Tel: | +1 949 260 9900 |
| Fax: | +1 949 260 9902 |
| Web: | www.ssioptics.com |