Trusted. Proven. World-leaders in designing
and manufacturing IBS coatings and
ultra low loss mirrors.
We enable the new technologies that will
change the world.
ION BEAM SPUTTERED COATINGS
Large and small (up to 1m).
Innovative optical coatings for
cutting-edge applications with the
most demanding requirements.
High LDT and FOD resistance.
ULTRA LOW LOSS OPTICS
In-house super-polishing
resulting in the lowest optical
losses on the market.
ITAR registered and ROHS and REACH compliant.
OUR STORY
We are highly sought after as an innovative partner with unparalleled technical knowledge and capabilities, providing novel solutions across critical industries including:
Directed
Energy
Fusion
Quantum
Science
Trace Gas
Sensing
Founded in 2016 in Boulder, Colorado by a team of seasoned coating engineers, FiveNine Optics began with a mission to push Ion Beam Sputtering to new limits. From our earliest projects, we've focused on enabling our customers' most ambitious technologies—today spanning fusion energy, quantum computing, and high-energy laser systems.
We consult, engineer, and build as part of your team, guiding projects from first concept to optics that perform flawlessly. Trusted by innovators, our partnerships are built on technical depth, collaboration, and a shared drive to achieve the extraordinary. FiveNine continues to expand the boundaries of optical performance—one mirror at a time.