Zernike generation with a non-contact, thermally actuated deformable mirror

GJM Schutten, R Saathof, JW Spronck, RH Munnig Schmidt

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Wavefront aberrations are commonly expressed in a series of orthogonal Zernike polynomial terms [1]. Each of these Zernike polynomials mathematically describes a certain typical deviation from an ideal wavefront. To correct for optical aberrations a deformable mirror must be able to actuate the shapes corresponding to these terms. This paper presents the results of experiments to actuate a deformable mirror surface, using a non-contact thermal actuation principle. Thermal radiation induces a temperature distribution on the mirror substrate which causes mirror surface deformation. In the experiments, shapes are actuated up to Z3³ with amplitudes ~ 60 [nm] and ~ 3 [nm] root mean square (RMS) shape error.
Original languageEnglish
Title of host publicationProceedings of the 12th international conference of the european society for precision engineering and nanotechnology (euspen), June 4th-7th 2012, Stockholm, Sweden
EditorsP Shore, H Spaan, T Burke
Place of PublicationStockholm, Sweden
PublisherEUSPEN
Pages439-442
Number of pages4
ISBN (Print)978-0-9566790-0-0
Publication statusPublished - 2012
Event12th international conference of the european society for precision engineering and nanotechnology (euspen), Stockholm, Sweden - Stockholm, Sweden
Duration: 4 Jun 20127 Jun 2012

Publication series

Name
PublisherEuspen
Name
Volume1

Conference

Conference12th international conference of the european society for precision engineering and nanotechnology (euspen), Stockholm, Sweden
Period4/06/127/06/12

Keywords

  • conference contrib. refereed
  • Conf.proc. > 3 pag

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