Mono 31 Deformable Mirror

Mono 31 Deformable MirrorCILAS is a pioneer in the field of Adaptive Optics. We have developed and manufactured performant deformable mirrors (Stacked array,Bimorph, Monomorph mirrors) notably for astronomy and laser applications, for more than twenty years. With our experience and our know-how, we have increased the number of actuators, the mirror sensitivity as well as we have improved the optical quality. Our DMs represent a breakthrough in Adaptive Optics and their reliability has been fully demonstrated.Principle and advantagesCILAS monomorph mirror is a deformable mirror (DM) made of assembly of one plate of piezoelectric material and one glass plate which is polished and coated.This simple design allows to reduce the usual "print through effect" of DMs which is due to discontinuities (electrodes, actuators...) at the backside of the optical plate. High spatial frequencies on the residual wavefront of the laser beam are minimized. This DM gives and optimal correction of the wavefront distortions without creating energy modulations in the propagation of the laser beam.Main specifications Mono 63 Mono 31 Useful aperture (mm) 85 85 Number of electrodes 63 31 Inside pupil 47 19 Outside pupil 16 12 Correction ability (Um WF PV) Defocus 20 20 Astigmatism about 0o 10 10 Astigmatism about 45o 10 10 Coma x 8 4 Coma Y 8 4 Primary spherical 4.5 2.3 Mechanical housing (d x l) ~140mm diam / 60mm depth Driver ED64 ED32 Customize mirrors:Useful aperture : 50 to 115mm (other on special request)Number of electrodes : Up to 100 and moreMore SpecificationsHigh performance optical coatings are proposed : metallic + multidielectric with high resistance, wideband, LIDT : for instanceHigh performance optical coatings are proposed : metallic + multidielectric with high resistance, wideband, LIDT : for instance 21/cm2 for 600ps pulses at 10Hz rep. rateHysteresis : < 6% for a +/- 400V cycleFlatness after removal of static defects : <16mm rms wavefrontSurface roughness : <1nm rms mechanical (standard)Operating environment:Operating temperature : 20-25oCOperating orientation : AnyAtmospheric pressure : Compatible with vacuum conditionsApplicationsCILAS monomorph DMs are particulary designed for the correction of high intensity or ultra fast laser beams in the visible or near IR wavelenght : femtosecond to nanosecond laser pulses duration.Customers / UsersSeveral large facilities of the terawatt or petawatt class are using adaptive optics with CILAS monomorph DM. For example, we can mention : Osaka University (Japan), NTF (USA), AWE (UK), LOA (France), LULI (France) and others.