Incoherent combining of fiber lasers developed for. Cw doubleclad dc ytterbiumdoped fiber lasers ydfls are. Okhotnikov, allfiber picosecond laser source based on. A twocolor femtosecondpicosecond pulse train at largely separate wavelengths of 1. Since 1999 he has been a fulltime professor at optoelectronics research centre, tampere university of technology. Pdf applications of fiber lasers for the development of. Itisrecognizedthattherearenoalternativestoopticaltechnologies in communication because nonoptical methods cannot cope with the modern demand for information. Highpower passive fiber components for allfiber lasers. Ultrafast fibre laser systems based on sesam technology. Ytterbiumdoped fiber laser as pulsed source of narrowband amplified spontaneous emission. Highpower fibre lasers are in demand for industrial, defence and scientific applications. Ultrafast fiber lasers using novel semiconductor saturable. Pdf we demonstrate a practical ultrafast nddoped fiber laser operating in the.
Optical amplifiers and lasers based on tapered fiber. Allfiber 7x1 signal combiner for incoherent laser beam combining. Applications of fiber lasers for the development of compact photonic devices article pdf available in ieee journal of selected topics in quantum electronics 205. Ytterbiumdoped fiber laser as pulsed source of narrowband. The combination of the host and the dopant creates another convenient way of categorizing lasers, e. Holmium fiber laser based on the heavily doped active. By combining the broad gain spectrum of er or yb doped fibers with. Industrial grade 100 kw power cw fiber laser, in advanced solidstate lasers congress technical digest, san diego, california, usa, 29 jan1 feb. Picosecond sesambased ytterbium modelocked fiber lasers. Okhotnikov published more than 280 journal articles, a hundred conference papers, and numerous patents, many of which represented pioneering work in the area of fiber lasers. Spectral tuning of a modelocked ybdoped fiber laser over a 90nm range is reported. As mentioned, fiber lasers are one branch of solidstate lasers. Reprint order form pdf cost confirmation and order form pdf fiber optics.
Yag neodymium dopant, yttriumaluminumgarnet host, ti. A new laser developed by a research group at caltech holds the potential to increase by orders of magnitude the rate of data transmission in the opticalfiber networkthe backbone. A compact fiber laser is demonstrated with use of a girestournois compensator and a short length 24 cmlong of highly doped ytterbium yb fiber providing. Sub 200 fs pulse generation from a graphene modelocked fiber laser article pdf available in applied physics letters 9720. Abstractusing semiconductor saturable absorber mirrors. Erbium and ytterbium fiber lasers were firmly synchronized by nonlinear interaction in active media placed in the same cavity. Pdf sub 200 fs pulse generation from a graphene mode. Okhotnikov tampere university, finland was awarded the ph. Modelocked ytterbium fiber laser tunable in the 9801070. Pdf femtosecond neodymiumdoped fiber laser operating in. Optoelectronics research centre at tampere university of. Thesis for the degree of doctor of technology to be presented with due permission for public examination and criticism in tietotalo building, auditorium tb104, at tampere university of technology, on the 24th of november 2006, at 12 noon. Incoherent combining of highpower fiber lasers can result in highly efficient, compact, robust, low maintenance, and longlifetime highenergy laser systems for directed energy applications. Devices that combine the absorption effects in quantum wells qws with the high reflectivity.
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