Liekki Corporation

LIEKKI, the leading supplier of highly doped fibers designs, manufactures and markets high performance fibers as well as fiber components and subassemblies (optical engines) for fiber amplifiers and lasers using its unique and proprietary Direct Nanoparticle Deposition (DND) technology.

LIEKKI products are used in fiber amplifiers and lasers for industrial, medical, scientific and communication applications.

LIEKKI’s success comes from offering excellent customer service and innovative products with better performance provided at very attractive prices. Our experienced team is known for solving even the most difficult problems professionally and developing complete solutions for our customers. Our mission is to make you and your fiber applications successful!

LIEKKI Corporation was established in 1999 on the basis of a new active fiber manufacturing process, Direct Nanoparticle Deposition (DND). The DND technology offers some of the most highly doped fibers in the industry. The company’s headquarter and manufacturing plant is located in Lohja, Finland (close to Helsinki) with regional sales offices and sales representatives in Europe, the USA and Asia.