Mirega
Mirega is a deeptech company transforming quantum-derived optical technology into rugged, high-precision components and sensing systems designed for industrial environments. By delivering laboratory-grade accuracy in a field-ready format, we provide the verifiable, data-driven certainty needed to drive decarbonization goals and regulatory complience.
We design and produce microcavities for the new generation of optical filters and gas analyzers. Based on a patented technology and years of research, our technology comes from a fiber-based Fabry-Perot microcavity with unrivaled properties. Initially developed to improve quantum technologies, these fiber-based Fabry-Perot microcavities feature exceptional properties.
Gas analyzer
Standalone and OEM analyzers
Optical filters
Fiber Fabry-Perot – Ultra narrow bandwidth
Trusted by researchers and industry
At Mirega, we collaborate with industrial leaders, research laboratories, and technology innovators to develop next-generation photonics solutions and optical gas analyzers. Our partnerships enable us to continuously refine our solutions, accelerate innovation, and address complex challenges across diverse sectors.
Mirega at a glance

Internationally trusted, with 80% of our total sales generated overseas. This strong global presence reflects consistent quality and reliability.

We carefully consider the impact of all our operations, ensuring that every aspect is managed in an ethical and responsible manner.

Focused on the measuring and the quantification of fugitive emissions throughout the supply chain of natural gas.

All production is done in house in our laboratories across France, thus ensuring our products meet the highest standards of quality and precision.
















