Browsing by Subject "Stimulate brillouin scattering"

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    Compact ultrafast oscillators and high performance ultrafast amplifiers based on ytterbium-doped fibers
    (Springer Verlag, 2016) Limpert, J.; Eidam, T.; Baumgartl, M.; Röser, F.; Plötner, M.; Ortaç, B.; Nolte, S.; Tünnermann, A.
    This chapter reviews the fundamentals and achievements of ultrashort pulse generation and amplification in ytterbium-doped fibers. Compact and ultrastable passively mode-locked fiber oscillators represent an ideal seed source for high performance femtosecond fiber amplification systems, which have been scaled towards kW-level average power and pulse energies well above the mJ-level. These laser systems will have significant impact in numerous scientific and industrial applications.
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    ItemOpen Access
    Optical spectroscopy of microcavities
    (Springer, 1997) Serpengüzel, Ali; Arnold, S.; Lock, J. A.; Griffel, G.; Hakioğlu, Tuğrul; Shumovsky, Alexander S.
    Microcavities, such as microspheres, possess morphology-dependent resonances (MDR’s). In this chapter light coupling mechanisms to MDR’s is examined. The novel mechanism of excitation of the microsphere with an optical fiber coupler (OFC) provides spatially and spectrally selective, as well as enhanced light coupling to the MDR’s, when compared with the conventional plane wave excitation. The plane wave excitation is described by LorenzMie Theory. However, Generalized Lorenz-Mie Theory and the Localization Principle are used for the OFC excitation.