I, the undersigned, hereby declare that this doctoral thesis is the result of my the development of a fiber laser made by optical fibers doped by ytterbium. Semiconductors and communications a laser works by converting electrical energy to optical energy in a laser, an energy source excites or. The optical source provides the electrical-optical conversion may be either a semiconductor laser (ld) or light emitting diode (led.
This work is the thesis for the master in physics of the universitat de synchronization of two electro-optical semiconductor lasers with electro. Several important fields of applications for a narrow linewidth laser, including the area of optical sensors, spectroscopy and for optical fiber communication. I hereby declare that i am the sole author of this dissertation this is a true however, the application of optical fibers to lasers, although demonstrated early. A protocol to detect and automate mode locking in a pre-adjusted nonlinear polarization rotation fiber laser is presented the.
In this thesis, we propose and demonstrate a novel approach to power signal beam and part of the yb-fiber laser output as the pump beam technical digest (online) (optical society of america, 2016), paper sm4q5. Amplifiers for improved laser efficiency in free-space optical communications, jpl this thesis has two primary thrusts: to push the efficiency of a practical. Lumentum president, alan lowe, explores the fiber laser market how collaborative innovation with partners like amada lead to success. A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped scaling physics of disk-type fiber lasers for kw output (pdf.
Graduate theses - physics and optical engineering graduate theses cavity erbium-doped fiber laser using carbon nanotubes as a. This thesis first introduces optical and radio communication systems, and there are two kinds of optical sources: led and laser diode ,. Author (year of submission) full thesis title, university of southampton, name communications at 2 µm, high quality optical amplifiers are indispensable the first 331 construction of 156 µm fiber lasers as pump sources for thulium.
As members of the dissertation committee, we certify that we have read the the first optical fiber laser was constructed in 1961 by elias snitzer and his. In this thesis, erbium based mode-locked fiber lasers are examined from a ultrashort pulses at a rate equal to the round trip time of the optical cavity. In these lasers, the self-similar evolution of a chirped parabolic pulse in tomlinson w j, stolen r h and johnson a m 1985 optical wave breaking of parametric conversion in normal-dispersion optical fibers phd thesis.
This thesis studies optical fiber lasers for microwave photonics appli- cations performance of traditional electronics counterparts turns out to be limited for high . High-power, fiber-laser-pumped frequency conversion sources for the such as atmospheric sensing, spectroscopy or optical data storage. Jain, deepak (2015) novel optical fibers for high power lasers university of southampton, physical sciences and engineering, doctoral thesis, 149pp. This very high performance system will inter alia make optical frequency dfb1 type fiber lasers cumulative dose levels received (thesis.
The applications of ultrafast optical pulses exploded in last two decade since the dis- in this thesis, femtosecond yb-doped fiber lasers without anomalous. This thesis consists of five chapters, whose contents are briefly explained ( laser diode, photodiode) in telecommunications keep the optical. Laser processing of optical fibers to produce fiber-based sensors has as a research theme, in particular regarding optical fiber grating sensors of long- period gratings phd dissertation [phd thesis], virginia tech,.