Gratings

Designer and manufacturer of interference filters: narrow and broad bandpass, long- and shortwave, ND filters, atmospheric windows, AR and metallic coatings. Holographic diffraction gratings: plano, concave and blazed, pulse compression/stretcher gratings. WDM and telecom applications include diode laser tuning gratings and network communications gratings.

Supplier of specialized holographic and ruled diffraction gratings. 400 masters available for rapid, 1-week optical replication, a capacity to produce 500,000 precision replicated optics and with R&D, engineering, and manufacturing under one roof for custom and OEM applications.

Spectrum Scientific, Inc. (SSI) is a high volume manufacturer of aspheric and freeform mirrors, hollow retroreflectors, and holographic diffraction gratings. Our optical replication process allows us to supply high fidelity, highly repeatable precision optics.

Excelitas is a leading provider of advanced, life-enriching technologies that make a difference, serving global market leaders in the life sciences, advanced industrial, next-generation semiconductor, aerospace and defense end-markets.

Supplier of precision photomasks, microlithography, photomask tooling, contact printing, emulsion, chrome and see-through masks, laser written optical components, encoders, optical parts, mask design, precision cutting of glass or silicon, and CAD services. Fast turn services.

Antireflection nanotextures etched directly into the bulk optical material providing high optical performance with R down to 0.01%; extreme broadband performance UV-NIR, no added absorption, high laser damage threshold. Available in fused silica, diamond, sapphire, and a wide range of IR materials.