Stefan Weidlich, physicist at Specialty Fiber Optics Research & Development at Heraeus Quarzglas, developed together with a Heraeus project team and an IPHT research team the nanohole fiber.
Nanohole fiber makes new observation methods possible
The core of the fiber contains a nanohole with a diameter of 200 nanometers that extends along the entire fiber. Test viruses swimming in water are poured into this hole, and light is fed into the fiber core. The size and movement of the viruses can be determined by means of light scattering.