https://www.giaiphotonics.com/
GIAI Photonics Co.,Ltd is a company dedicated to optical lens processing. Our products include lenses, prisms, filters, lenses and other optical components....
optical filtersgiaicustomizedprismlens
https://interferenzoptik.de/references_en.htm
Our products are used worldwide at following branches: Aerospace, Air and Maritime Engineering, Astronomy, Biology, Medicine, Environmental Technology, etc.
thin filmsreferencesbkmanufacturerinterference