IC Optical Systems Ltd
IC Optical Systems Ltd (ICOS) manufactures specialist Fabry-Perot interferometers, ET Series etalons, CS100 Controllers, and precision optical systems and components. Its products serve research, commercial and low-volume production applications, with reported use by government, industry, universities and other organizations worldwide. Application areas include semiconductor test equipment, astronomy, lidar, spectroscopy and environmental monitoring. The company states that it has been in business for 50 years.