Validation of a new adaptive deformale mirror concept

R.F.M.M. Hamelinck, R.M.L. Ellenbroek, P.C.J.N. Rosielle, M. Steinbuch, M. Verhaegen, N.J. Doelman

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic


A new prototype adaptive deformable mirror for future AO-systems is presented that consists of a thin continuous membrane on which push-pull actuators impose out-of-plane displacements. Each actuator has =/-10mum stroke, nanometer resolution and only mW's heat dissipation. The mirror's modular design makes the mechanics, electronics and control system extendable towards large numbers of actuators. Models of the mirror are derived that are validated using in°uence and transfer function measurements. First results of a prototype with 427 actuators are also presented.
Original languageEnglish
Title of host publicationAstronomical Telecopes and Instrumentation
Place of PublicationFrance, Marseille
Publication statusPublished - 2008


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