ENGLISH FRANÇAIS Dear visitor, due to recent changes in the ownership of the former 3SP Group, please note the following changes to our websites: For Fiber Bragg Gratings, FBG Based Sensors, Passive Multimode Components, Passive Singlemode Components, Phase Demodulators, please click on link below www.avensys.com For Pump Lasers, Seed Laser Modules and InP or GaAs-based Foundry Services, please click on link below www.3sptechnologies.com For the development of ultra-reliable fiber-optic systems including high-power fused components, optical sensors and instrumentation and fiber laser components, please click on link below www.itflabs.com