Your One-Stop Shop for Optics

RMI offers everything you need for precision optics, thin-film coatings, diamond turning and opto-mechanical assemblies

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Opto-Mechanical Engineering

We offer expert design, assembly and testing of complex lens objectives, beam expanders and optical transmitters

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Diamond-Turned Optics

We provide world-class IR aspherical lenses, thin-film coatings and environmental testing for thermal imaging applications

UV Optics & Coatings

We specialize in low-scatter optical polishing and low-absorption coatings for UVFS, CaF₂, MgF₂, Sapphire and more

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CO₂ Laser Optics

Our complete range of advanced CO₂ laser optics includes lenses, mirrors and output couplers for medical, engraving and laser OEMs

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Optics

Coatings

Optical Assemblies

Diamond Turning

Precision Optical Solutions Since 1957

Rocky Mountain Instrument Company (RMI) has been producing advanced optics since 1957. Today we are a global leader in precision optics, optical coatings, infrared imaging, opto-mech assemblies and environmental testing.

As a photonics industry leader, RMI delivers optical solutions that extend in wavelength from deep UV to far IR. Thanks to our extensive R&D efforts, we are constantly setting new standards and developing highly customized solutions. We design, manufacture and test all of our optics solutions from our state-of-the-art facilities in Lafayette, Colorado.

Our dedicated team of technicians, opto-mechanical engineers and expert scientists has earned a reputation for delivering the highest quality optical solutions. We enjoy working closely with our customers and taking a collaborative approach to meeting their most pressing challenges and technically difficult specifications.

Featured Products
Custom Optics & Coatings	Diamond-Turned IR Lenses	Precision Prisms
CO₂ Laser Optics	UV/Excimer Laser Optics	Cylindrical Lenses