The manufacturer of the Exfo / NetTest / Photonetics TUNICS-Plus Tunable Laseris Exfo. The Exfo / NetTest / Photonetics Tunics Plus is a general-purpose bench-top "work-horse" tunable laser, offering the basic features of the Tunics prime benchtop models. Tunics Plus is the result of many years of leadership in high-performance tunable external cavity lasers. Based on an ultra-stable self-aligned cavity, it now uses an active control to ensure a perfect mode-hop-free operation over its full wavelength tuning range. It also integrates an internal wavelength referencing system. The product is located in Champaign, IL, USA.