Design of a Magnetic Fluid Deformable Mirror and Experimental Model Validation
This chapter presents the development of an adaptive optics experimental setup to be used in the validation of the analytical model presented in Chap. 4 and in testing the controllers presented in Chaps. 7 and 8. The setup represents a closed-loop AO system built around a prototype MFDM with novel design features. The system can be complemented further by an imaging system to realize a functional ophthalmic imaging AO system. This chapter first provides in Sect. 5.1 a description of the important considerations in the design of the mirror and the encompassing AO system. The conceptual and detailed design of the prototype MFDM are presented in the Sects.5.1.1 and 5.1.2, respectively. A prototype MFDM developed for the experimental validation of the analytic model is presented in Sect. 5.1.3. The design of the experimental AO system and a description of its main components are presented in Sect. 5.2. The analytical model is experimentally evaluated in Sect. 5.3, where some preliminaries of the AO setup are first introduced, the analytic model is validated by comparing the predictions made by the model with the corresponding experimental results, and the effects of the linearization of the MFDM response under the strong uniform magnetic field generated using a Helmholtz coil are investigated and verified.
KeywordsMagnetic Fluid Fluid Layer Helmholtz Coil Electromagnetic Coil Wavefront Sensor
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