25 January 2008 Orbital angular momentum in twisted and rotating cavity modes
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Abstract
We use an algebraic method to derive explicit expressions for the structure of paraxial modes in a cavity consisting of astigmatic mirrors. The algebra is based upon the use of ladder operators that raise or lower the mode indices, when acting on a mode function. We show that the method is also applicable when the mirrors perform a uniform rotation about their axes. We also find expressions for the orbital angular momentum in these modes.
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Steven J. M. Habraken, Steven J. M. Habraken, Gerard Nienhuis, Gerard Nienhuis, } "Orbital angular momentum in twisted and rotating cavity modes", Proc. SPIE 6905, Complex Light and Optical Forces II, 690504 (25 January 2008); doi: 10.1117/12.760031; https://doi.org/10.1117/12.760031
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