Abstract
If one or both resonator mirrors exhibit different radii of curvature in the x and the y directions (cylinder mirrors or toric mirrors), the g-parameters of the resonator, and consequently the resonator properties, become different for the two directions. Different mode properties in the x and the y directions are also obtained for spherical resonator mirrors if the corresponding effective resonator lengths are different. This happens if the surface normals of intracavity optical elements exhibit an angle with respect to the optical axis. Examples are solid state slab lasers and ring resonators. In most of these cases, the resonator works stable or unstable in both directions and the output beam can be described by astigmatic stable or unstable resonator modes.
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Chapter 18 Hybrid Resonators
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Rofin Sinar: slab waveguide CO2 laser DC 015
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Hodgson, N., Weber, H. (1997). Hybrid Resonators. In: Optical Resonators. Springer, London. https://doi.org/10.1007/978-1-4471-3595-1_19
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DOI: https://doi.org/10.1007/978-1-4471-3595-1_19
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