The non-visible light of CO2 lasers is often transmitted as a free beam: complex and expensive articulating optical arms transmit light to the required operation site. With the FiberKey® P, it is now possible for the first time to guide CO2 laser light via optical fibers to any point and simultaneously transmit the light of a pilot beam. Thanks to the pilot beam, the processing beam can be adjusted without a problem. This is the only way to achieve precise orientation.
Our CO2 fiber coupler is optimized for the wavelength 10.6 µm. A ZnSe lens, which currently guarantees coupling at an efficiency of typically 80%, is integrated into the mechanical component, which is flange mounted to conventional lasers.
The FiberKey® P is used in combination with a further-developed hollow-core fiber: in the fiber cladding, the pilot beam is transmitted, and the non-visible laser light is guided in the hollow-core fiber.
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The transmission of CO2 laser light in optical fibers can replace complex and expensive beam guides in many cases. This product is currently available for an output power of up to 30 W and is, therefore, particularly well-suited for medical applications with CO2 lasers: for example, to cut tissue when removing tumors or in dermatology. Due to the additional transmission of the pilot beam in the FiberKey® P, the point of impact of the laser light is shown, which makes it possible to work precisely.
Competitors who offer the fiber-optic transmission of light in the mid-IR range cannot transmit a pilot beam and thus use other fibers. In comparison, the hollow-core fibers used by us stand out due to their low attenuation values.
