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Meet a Scientist: Dr. Lars Grüner-Nielsen "In my work as a project manager in the Incubation Center it’s my job to coordinate two of our development projects," he says of his part in bringing new concepts to commercial viability. "The work is done in close dialog with our customers so we develop the right products with the right properties at the right time," he adds. Dr. Grüner-Nielsen's current research is primarily aimed at fibers for use in femtosecond fiber lasers. "It’s my hope that our work will help promote the use of femtosecond fiber lasers in areas such as materials processing, optical metrology, ultra-fast spectroscopy, microscopy, THz spectroscopy, optical coherence tomography, and various sensing applications," he explains. One of his current development projects involves highly non-linear fiber with special attention to applications for supercontinuum generation when pumped with femtosecond pulses. This work recently resulted in a new polarization maintaining highly non-linear fiber, samples of which are now in the hands of customers. Another outcome of this research has been detailed in a paper presented at Photonics West in San Jose in January, 2008. The other project is dispersion management for femtosecond fiber lasers. The work is currently focused on the new FemtoComp™ module, which is based on the use of a special fiber working in a higher order mode. This work has also been presented in a paper at Photonics West. A native of Copenhagen, Dr. Grüner-Nielsen received a master's degree in electrical engineering and a Ph.D. in optical fibers from the Technical University of Denmark in 1983 and 1998 respectively. From 1983 to 1994, he worked in the research and development department of the Danish cable manufacturer, NKT, where he specialized in optical cables. He joined OFS in 1994. The first several years at OFS he was in charge of the development of dispersion compensating fibers. Dispersion compensating fibers are now one of the main products from OFS Denmark. Dr. Grüner-Nielsen finds his work at OFS stimulating – and challenging. "Working on development of new products is always a struggle with a lot of unforeseen problems on the way. But this makes the satisfaction that much better when we succeed," he adds. "Here at OFS there is tradition of excellent teamwork," he continues. "I enjoy working not only with my colleagues in the Incubation Center but also with people from sales and production. And it’s also nice to be part of a global company. I benefit from very close collaboration with OFS Laboratories. In fact, both the projects I manage are a direct continuation of basic research results from OFS Laboratories," he concludes.
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New Book Tells What's "Special" About Specialty Optical Fibers But, although fiber optics have made their mark in all sorts of telecommunications components and devices—as a new book entitled, Specialty Optical Fibers Handbook, edited by Alexis Mendez, and T. Morse, makes very clear—there are now many other varieties of non-telecom optical fibers, and they are used in a myriad of applications.
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If you trace the development of a new specialty optical fiber, or fiber application, you will find it is touched by many people along its journey from research at OFS Laboratories to development and ultimately to a new commercial application. As a project manager in the Incubation Center at OFS Denmark, Lars Grüner-Nielsen plays a vital role in introducing new products to the market.
