biolitec AG Jena develops and produces diode lasers, fibre optic disposables, and photodynamic drugs. It also provides photodynamic therapy and manufactures the cancer drug Foscan. The firm operates through the Medical Technology (Meditec) and Pharmaceuticals (Pharma) segments. The Meditec segment specializes in the distribution of fibers and laser probes. The Pharma segment focuses on the production, development and sale of pharmaceutical substances. The company was founded by Karsten Komischke, Sidney Balan, Kerstin Balan, Ilse Kaus and Denise Kaus on March 17, 1999 and is headquartered in Jena, Germany.