Dynasil’s Companies

Dynasil, a publicly-owned multinational corporation headquartered in the US, focuses on cutting-edge research and commercial product development in photonics. We serve our customer base through five companies — Dynasil Fused Silica, Evaporated Metal Films (EMF), Hilger Crystals, Optometrics, and Radiation Monitoring Devices (RMD). We are a global supplier of optical materials, components and coating solutions and scintillation and detection solutions. We are also a recognized global expert in radiation detection and imaging, nuclear instrumentation, and non-destructive testing.

Dynasil maintains seven state-of-the-art facilities across Massachusetts, New York, New Jersey, and Margate (UK) that, combined, provide nearly 150,000 sq. ft. of manufacturing space dedicated to helping our customers succeed — from prototype development to high-volume commercial production. The spirit of continual improvement is embraced with many facilities achieving ISO 9001:2015 compliance. Sustainable environmental practices are encouraged with some facilities having achieved, or currently  pursuing, ISO 14001:2015 certification.

Round & Rectangular Fused Silica Optical Blanks

Dynasil Fused Silica

Sixty years of leadership as an authorized distributor of Corning High Purity Fused Silica HPFS® 7980, 7979 IR, ULE® 7972.

Ball Aerospace mirror

Evaporated Metal Films (EMF)

Pioneer in optical coating solutions on plastic, glass, metal, and ceramics. Leader in DLC coatings on infrared optics.

Scintillation Detectors (PMT, CCD, SiPM)

Hilger Crystals

Well-established and proven reputation for manufacturing commercial-grade scintillation crystals for IR spectroscopy and state-of-the-art detection solutions.

Diffraction Gratings


Leading supplier of optical components and pre-aligned sub-assemblies. Mechanical ruling, holographic recording, photolithography, and optical thin film coatings.

CLYC Packaged Scintillation Detector

Radiation Monitoring Devices (RMD)

Recognized worldwide as the foremost expert in radiation monitoring, detection and imaging, nuclear instrumentation, and non-destructive testing.

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