Dynamical behaviour of birefringent Fabry–Perot cavities
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- Berceau, P., Fouché, M., Battesti, R. et al. Appl. Phys. B (2010) 100: 803. doi:10.1007/s00340-010-4005-y
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In this paper we present a theoretical and experimental study of the dynamical behaviour of birefringent cavities. Our experimental data show that usual hypothesis which provides that a Fabry–Perot cavity is a first-order low-pass filter cannot explain the behaviour of a birefringent cavity. We explain this phenomenon and give the theoretical expression of the equivalent cavity filter which corresponds to a second-order low-pass filter.