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Development of a picosecond pulsed mode-locked fiber laser
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index.pdf
Date
2013
Author
Yağcı, Mahmut Emre
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Fiber lasers represent the state-of-the-art in laser technology and hold great promise for a wide range of applications because they have a minimum of exposed optical interfaces, very high efficiency, and are capable of exceptional beam quality. In the near future, the most important markets such as micromachining, automotive, biomedical and military applications will begin to use this technology. The scope of this thesis is to design and develop a short picosecond pulsed fiber laser using rare-earth doped fiber as a gain medium. The proposed master oscillator power amplifier (MOPA) will be used to generate pulses with high repetition rates. In this study, first we explain the basic theoretical background of nonlinear optics and fiber laser. Then, the numerical simulation will be introduced to explain how the laser system design and optimization. The simulation is based on nonlinear Schrödinger equation with the method of split-step evaluation. The brief theoretical background and simulation results of the laser system will be shown. Finally, the experimental study of the developmental fiber laser system that comprises an oscillator, preamplifier and power amplifier will be discussed. .
Subject Keywords
Laser pulses, Ultrashort.
,
Pulsed laser deposition.
,
Ytterbium.
,
Fiber laser.
URI
http://etd.lib.metu.edu.tr/upload/12615790/index.pdf
https://hdl.handle.net/11511/23118
Collections
Graduate School of Natural and Applied Sciences, Thesis