Abstract
We have seen in Sec. 5.1 that stable resonators exhibit large Gaussian beam radii if the resonator length is large or the g-parameters of the two mirrors are chosen close to a stability limit in the g-diagram. In both cases a large fundamental mode volume and, consequently, a high efficiency are obtained. In order to avoid a high misalignment sensitivity or a long resonator set-up, lenses can be used inside the resonator to enlarge the Gaussian beam radius in the active medium. Such a resonator with internal lenses is referred to as a lens resonator [3.173].
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© 1997 Springer-Verlag London
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Hodgson, N., Weber, H. (1997). Resonators with Internal Optical Elements. In: Optical Resonators. Springer, London. https://doi.org/10.1007/978-1-4471-3595-1_9
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DOI: https://doi.org/10.1007/978-1-4471-3595-1_9
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