RefleKron is the leading industrial provider of customized SESAMs.

RefleKron is the leading industrial provider of Customized Semiconductor Saturable Absorber Mirrors (SESAMs). We focus on developing and supplying SESAMs for volume manufacturing of industrial lasers. Whether you are launching a new laser development, or require an updated solution for well-established technology, we provide extensive customization and consulting while developing an optimal SESAM for your application. We offer repeatability, long lifetime, and reliable supply by customizing and qualifying volume production wafers for each laser system.