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Leaders In Thin Film Coatings


LohnStar Optics specializes in providing high quality, custom, thin film coatings. Typical coatings applications are Quantum Cascade Lasers, CO2 Lasers, Er:YAG Lasers, and Cavity Ring-Down Spectroscopy (CRDS). Our coating capabilities are utilized in a variety of industries including industrial, military, medical, research, and aerospace.

Custom Designs 


LohnStar Optics has the knowledge, experience, and expertise to handle all specialized coating demands. It's the reason why so many companies, researchers, universities, and government laboratories come to LohnStar Optics to address their coating needs. We are able to accommodate almost any need using custom-tailored deposition methods, a wide variety of materials and coater configurations, the latest computer software, and state-of-the-art optimization techniques.

Quick Turnaround


Our unmatched flexibility enables quick turnaround times

LohnStar Optics

1863 Commercial Street

Escondido, CA 92029

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